{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "attributionRequired": true,
    "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-11-04",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.7",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run",
    "terms": "https://www.anchorterminal.com/terms/#data"
  },
  "tool": {
    "slug": "censys",
    "name": "Censys",
    "vendor": "Censys, Inc.",
    "vendorUrl": "https://censys.com",
    "kind": "http-api",
    "category": "security-intelligence",
    "summary": "Censys is an internet scanning and intelligence service. Its Platform API returns what an IP address, web property or certificate exposes, with DNS resolution, host history, enrichment and reputation data, through REST, a hosted MCP server, SDKs and a CLI.",
    "url": "https://www.anchorterminal.com/tools/censys",
    "markdownUrl": "https://www.anchorterminal.com/tools/censys.md",
    "slimMarkdownUrl": "https://www.anchorterminal.com/tools/censys.min.md",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/censys.json",
    "dns": "censys.grade.anchorterminal.com",
    "repo": "https://github.com/censys/censys-sdk-python",
    "license": "Proprietary service under Censys's Terms of Service. The Platform SDKs are MIT and the cencli command line tool is Apache-2.0",
    "transports": [
      "http",
      "streamable-http"
    ],
    "remoteUrl": "https://api.platform.censys.io/v3/",
    "packages": [
      {
        "registry": "pypi",
        "name": "censys-platform"
      },
      {
        "registry": "npm",
        "name": "@censys/platform-sdk"
      }
    ],
    "auth": "mixed",
    "authNotes": "Personal access token as `Authorization: Bearer`, created in the web console under API Access after a browser signup, several per user, named, shown once and deletable, no scopes or expiry stated. Starter, Search and Core users also need the API Access role from an organisation admin; Free users don't. The organisation goes in `X-Organization-ID` or `?organization_id=`. Service accounts (Search and Core plans) use OAuth 2 client credentials with module roles and a rotatable secret. The hosted MCP server takes OAuth with a consent page or the same token in a header.",
    "pricing": "freemium",
    "pricingNotes": "Free accounts get 100 credits a month and five free Platform actions a day, with host, web property and certificate lookups only. Censys Starter is $79 a month for 500 credits and Starter Pro $599 for 4,000, bought in the web console, unlocking search, aggregate and collections endpoints (https://docs.censys.com/docs/platform-starter-subscriptions). Since 2 November 2026 every action costs one credit and each further page of 100 results one more. Core, Adversary Investigation and Security Operations plans are priced by sales, with enrichment at 20,000 calls a day on Core (checked 2026-11-03).",
    "priceSummary": "$79 / mo",
    "where": "hosted",
    "x402": {
      "level": "no",
      "evidence": "No x402, MPP or L402 in the API reference, the credits pages, the pricing page or the SDK repositories (checked 2026-11-03). Starter subscriptions are bought in the web console and enterprise plans through sales.",
      "endpoints": []
    },
    "toolCount": 12,
    "popularity": {
      "githubStars": 11,
      "npmWeekly": null,
      "pypiWeekly": null,
      "asOf": "2026-11-03"
    },
    "docsUrl": "https://docs.censys.com/reference/get-started",
    "llmsTxt": "https://docs.censys.com/llms.txt",
    "openapi": "https://docs.censys.com/reference/v3-globaldata-search-query",
    "capabilities": [
      "secintel.exposure",
      "secintel.dns",
      "secintel.ip-enrichment",
      "secintel.reputation",
      "secintel.indicators"
    ],
    "tags": [
      "hosted",
      "freemium",
      "api-key",
      "oauth",
      "mcp",
      "remote-mcp",
      "official",
      "openapi",
      "llms-txt",
      "credits",
      "free-tier",
      "sales-led",
      "python",
      "go",
      "typescript",
      "cli",
      "non-commercial"
    ],
    "lastRelease": "2026-11-02",
    "graded": true,
    "anchor": {
      "graded": true,
      "score": 64.1,
      "grade": "B",
      "agentReady": false,
      "rank": 420,
      "ranked": true,
      "rankOf": 1349,
      "categoryRank": 3,
      "methodology": "0.7",
      "run": "2026-10-01",
      "scores": {
        "ergonomics": 79,
        "maintenance": 84,
        "payments": 35,
        "reliability": 55,
        "schema": 82,
        "security": 55,
        "transparency": 64
      },
      "pending": [
        "performance",
        "tasks"
      ],
      "breakdown": [
        {
          "key": "reliability",
          "name": "Reliability",
          "weight": 16,
          "effectiveWeight": 20,
          "score": 55,
          "points": 11,
          "reason": "Graded as a hosted service on the Platform API. Atlassian Statuspage at status.censys.com with Platform API, Authentication, Credit Management and three MCP server components (20). Its feed lists 12 entries from 24 August to 2 November 2026. Two were maintenance on ASM. The rest include intermittent 500s on the Platform from 13:52 on 24 August to 09:52 the next day, periodic query failures from 20 to 22 September, historical data calls timing out for about an hour on 18 September, an internal networking outage of the Platform and ASM from 00:35 to 13:46 EDT on 30 September, and failing searches from 14:26 EST on 2 November still in monitoring at 19:08. One full outage of about 13 hours and two multi-hour periods of failing core queries, read as more than one major (5). Limits are published with numbers, concurrency 1 or 25 per organisation and 25 requests a second per IP with a burst of 125 (15). Overruns return 429 or 503, but no Retry-After, backoff guidance or idempotency keys were found, and the SDKs say only that they follow the API's default retry strategy (5 of 15). No SLA found. The terms disclaim any warranty that the service will meet requirements, and the pricing page names none (0). The v3 API is generally available (10). 20 + 5 + 15 + 5 + 0 + 10 = 55.",
          "checked": "2026-11-03"
        },
        {
          "key": "performance",
          "name": "Performance",
          "weight": 10,
          "effectiveWeight": 0,
          "pending": true,
          "points": 0,
          "reason": "Pending. Latency is measured per call by our probes, which haven't run yet, so this run doesn't score it. Its weight is shared across the assessed categories until the first probe window closes."
        },
        {
          "key": "schema",
          "name": "Schema \u0026 documentation",
          "weight": 13,
          "effectiveWeight": 16.25,
          "score": 82,
          "points": 13.33,
          "reason": "OpenAPI 3.1.0, titled Censys Platform API, version 1.0.161, served inside each reference page and the source of the three Speakeasy SDKs. No standalone download was found, and the censys-sdk-openapi repository holds only a README (22 of 25). llms.txt at docs.censys.com with a Markdown twin of every page (10). Endpoint descriptions state purpose and a use case ('Run a search query across Censys data', a SOC hunting for a C2 banner, JARM or favicon hash), MCP tools say what each does, with little on when not to use a call (14 of 20). Typed path, query and body fields, `page_size` default and maximum 100, required `query`, an Accept header for schema versions. The query itself is a CenQL string with its own language docs (11 of 15). Code samples in shell, Python, Go, JavaScript and Java, a status code table and problem+json ErrorModel bodies, but the search operation's usage example block is empty and 429 isn't among its responses (10 of 15). Versioned paths and Accept header, a dated changelog every week from 8 September to 2 November 2026 (15). 22 + 10 + 14 + 11 + 10 + 15 = 82.",
          "checked": "2026-11-03"
        },
        {
          "key": "ergonomics",
          "name": "Agent ergonomics",
          "weight": 13,
          "effectiveWeight": 16.25,
          "score": 79,
          "points": 12.84,
          "reason": "`fields` limits a search response to named fields and `page_size` caps it at 100, with raw and full variants of lookups chosen by endpoint (22 of 25). `page_token` with `next_page_token` and `previous_page_token`, `total_hits`, aggregate endpoints and a bulk lookup (20). A status code table that separates 401, 403, 422, 429 and 503, problem+json bodies and `X-Request-ID` on responses, but no catalogue of error codes beyond status (14 of 20). Lookups and search are safe to retry, but collections, tags, comments and member endpoints write with no idempotency key, and no tool annotations are documented for the MCP server (8 of 20). One required field on search, SDKs in Python, Go and TypeScript, a CLI and Claude Code skills, though every paid-tier call also needs the organisation id (15). 22 + 20 + 14 + 8 + 15 = 79.",
          "checked": "2026-11-03"
        },
        {
          "key": "security",
          "name": "Security \u0026 auth",
          "weight": 14,
          "effectiveWeight": 17.5,
          "score": 55,
          "points": 9.63,
          "reason": "Personal access tokens as a Bearer header, several per user, named, shown once and deletable, with no scopes or expiry stated. Service accounts on Search and Core plans use OAuth 2 client credentials with module roles and a rotatable secret, and the MCP server takes OAuth with a consent page. Only the organisation id, not a secret, may travel in the query string (26 of 30). Module roles (Analyst, Manager), an API Access role and the advice to grant service accounts only the roles they need, but no read-only token and no confirmation step for deleting a collection (12 of 20). Results carry banners, HTML titles and certificate subjects from scanned hosts, and no guidance on treating them as untrusted was found in the API, MCP or skills docs (3 of 15). A platform audit log for admins that records service account activity, credit usage per member through the API and `X-Request-ID` on every response, with no documented per-call log for token holders (10 of 15). security@censys.com on the contact page. security.txt 404, no bug bounty, and the compliance page says Censys helps customers with SOC 2, ISO 27001 and FedRAMP without claiming any for itself (4 of 20). 26 + 12 + 3 + 10 + 4 = 55.",
          "checked": "2026-11-03"
        },
        {
          "key": "payments",
          "name": "Payments \u0026 pricing",
          "weight": 10,
          "effectiveWeight": 12.5,
          "score": 35,
          "points": 4.38,
          "reason": "No x402, MPP or L402 (0). Starter at $79 a month for 500 credits and Starter Pro at $599 for 4,000 are public in the docs with one credit an action, which gives a per-call price, while Core and higher plans and credit top-ups are priced by sales (15 of 20). A free account gets 100 credits a month and five free actions a day with no card named (20). Signup, token creation and Starter purchase all happen in a browser, and no key API was found (0). 0 + 15 + 20 + 0 = 35.",
          "checked": "2026-11-03"
        },
        {
          "key": "tasks",
          "name": "Task success",
          "weight": 10,
          "effectiveWeight": 0,
          "pending": true,
          "points": 0,
          "reason": "Pending. Task success needs the category task suites run through each tool, which haven't run yet, so this run doesn't score it. Its weight is shared across the assessed categories until then. A data provider's data-quality score is published on its listing now and becomes half of this category when it's scored."
        },
        {
          "key": "maintenance",
          "name": "Maintenance \u0026 community",
          "weight": 7,
          "effectiveWeight": 8.75,
          "score": 84,
          "points": 7.35,
          "reason": "Newest changelog entry 2 November 2026 and censys-platform 0.16.7 on 29 October (30). Ten dated changelog entries between 8 September and 2 November and eight PyPI releases since 4 August (20). A closed service with a weekly changelog, a Gainsight community forum with Platform Q and A sections, an in-app feedback portal and support@censys.com. GitHub issue replies weren't read (12 of 15). Official SDKs in three languages regenerated from the spec, the Go and TypeScript repositories pushed on 3 November and PyPI on 29 October (15). The SDKs are 0.x and generated, with a stated grace period for dropping Python versions. CI wasn't read (7 of 10). 30 + 20 + 12 + 15 + 7 = 84.",
          "checked": "2026-11-03"
        },
        {
          "key": "transparency",
          "name": "Transparency \u0026 trust",
          "weight": 7,
          "effectiveWeight": 8.75,
          "score": 64,
          "points": 5.6,
          "note": "editorial 44, provenance 83",
          "reason": "A closed service under terms effective 1 October 2018 that are clear on who may use the data for what, with MIT SDKs and an Apache-2.0 CLI (15 of 30). Privacy policy of 1 April 2025 keeps data 'for as long as necessary' with no periods, while the retention policy revised 11 July 2023 gives seven days for queries before anonymisation and up to three years for ASM seed data after an account expires, and still names the retired Censys Search. Two GDPR representatives are named. No public DPA found, and the privacy page's mailto points to censys.io while its text says censys.com (16 of 30). The transition guide gives the Legacy Search API no sunset date, the Accept header allows schema versions but no lifecycle is published, and credit packs were discontinued on 2 November with no notice period stated (5 of 20). Hosted in the United States, Stripe and Google named, unnamed analytics, advertising and session replay vendors, no subprocessor list (8 of 20). 15 + 16 + 5 + 8 = 44.",
          "checked": "2026-11-03"
        }
      ],
      "assessment": {
        "date": "2026-11-03",
        "basis": "public evidence",
        "confidence": "medium",
        "notes": {
          "ergonomics": "`fields` limits a search response to named fields and `page_size` caps it at 100, with raw and full variants of lookups chosen by endpoint (22 of 25). `page_token` with `next_page_token` and `previous_page_token`, `total_hits`, aggregate endpoints and a bulk lookup (20). A status code table that separates 401, 403, 422, 429 and 503, problem+json bodies and `X-Request-ID` on responses, but no catalogue of error codes beyond status (14 of 20). Lookups and search are safe to retry, but collections, tags, comments and member endpoints write with no idempotency key, and no tool annotations are documented for the MCP server (8 of 20). One required field on search, SDKs in Python, Go and TypeScript, a CLI and Claude Code skills, though every paid-tier call also needs the organisation id (15). 22 + 20 + 14 + 8 + 15 = 79.",
          "maintenance": "Newest changelog entry 2 November 2026 and censys-platform 0.16.7 on 29 October (30). Ten dated changelog entries between 8 September and 2 November and eight PyPI releases since 4 August (20). A closed service with a weekly changelog, a Gainsight community forum with Platform Q and A sections, an in-app feedback portal and support@censys.com. GitHub issue replies weren't read (12 of 15). Official SDKs in three languages regenerated from the spec, the Go and TypeScript repositories pushed on 3 November and PyPI on 29 October (15). The SDKs are 0.x and generated, with a stated grace period for dropping Python versions. CI wasn't read (7 of 10). 30 + 20 + 12 + 15 + 7 = 84.",
          "payments": "No x402, MPP or L402 (0). Starter at $79 a month for 500 credits and Starter Pro at $599 for 4,000 are public in the docs with one credit an action, which gives a per-call price, while Core and higher plans and credit top-ups are priced by sales (15 of 20). A free account gets 100 credits a month and five free actions a day with no card named (20). Signup, token creation and Starter purchase all happen in a browser, and no key API was found (0). 0 + 15 + 20 + 0 = 35.",
          "reliability": "Graded as a hosted service on the Platform API. Atlassian Statuspage at status.censys.com with Platform API, Authentication, Credit Management and three MCP server components (20). Its feed lists 12 entries from 24 August to 2 November 2026. Two were maintenance on ASM. The rest include intermittent 500s on the Platform from 13:52 on 24 August to 09:52 the next day, periodic query failures from 20 to 22 September, historical data calls timing out for about an hour on 18 September, an internal networking outage of the Platform and ASM from 00:35 to 13:46 EDT on 30 September, and failing searches from 14:26 EST on 2 November still in monitoring at 19:08. One full outage of about 13 hours and two multi-hour periods of failing core queries, read as more than one major (5). Limits are published with numbers, concurrency 1 or 25 per organisation and 25 requests a second per IP with a burst of 125 (15). Overruns return 429 or 503, but no Retry-After, backoff guidance or idempotency keys were found, and the SDKs say only that they follow the API's default retry strategy (5 of 15). No SLA found. The terms disclaim any warranty that the service will meet requirements, and the pricing page names none (0). The v3 API is generally available (10). 20 + 5 + 15 + 5 + 0 + 10 = 55.",
          "schema": "OpenAPI 3.1.0, titled Censys Platform API, version 1.0.161, served inside each reference page and the source of the three Speakeasy SDKs. No standalone download was found, and the censys-sdk-openapi repository holds only a README (22 of 25). llms.txt at docs.censys.com with a Markdown twin of every page (10). Endpoint descriptions state purpose and a use case ('Run a search query across Censys data', a SOC hunting for a C2 banner, JARM or favicon hash), MCP tools say what each does, with little on when not to use a call (14 of 20). Typed path, query and body fields, `page_size` default and maximum 100, required `query`, an Accept header for schema versions. The query itself is a CenQL string with its own language docs (11 of 15). Code samples in shell, Python, Go, JavaScript and Java, a status code table and problem+json ErrorModel bodies, but the search operation's usage example block is empty and 429 isn't among its responses (10 of 15). Versioned paths and Accept header, a dated changelog every week from 8 September to 2 November 2026 (15). 22 + 10 + 14 + 11 + 10 + 15 = 82.",
          "security": "Personal access tokens as a Bearer header, several per user, named, shown once and deletable, with no scopes or expiry stated. Service accounts on Search and Core plans use OAuth 2 client credentials with module roles and a rotatable secret, and the MCP server takes OAuth with a consent page. Only the organisation id, not a secret, may travel in the query string (26 of 30). Module roles (Analyst, Manager), an API Access role and the advice to grant service accounts only the roles they need, but no read-only token and no confirmation step for deleting a collection (12 of 20). Results carry banners, HTML titles and certificate subjects from scanned hosts, and no guidance on treating them as untrusted was found in the API, MCP or skills docs (3 of 15). A platform audit log for admins that records service account activity, credit usage per member through the API and `X-Request-ID` on every response, with no documented per-call log for token holders (10 of 15). security@censys.com on the contact page. security.txt 404, no bug bounty, and the compliance page says Censys helps customers with SOC 2, ISO 27001 and FedRAMP without claiming any for itself (4 of 20). 26 + 12 + 3 + 10 + 4 = 55.",
          "transparency": "A closed service under terms effective 1 October 2018 that are clear on who may use the data for what, with MIT SDKs and an Apache-2.0 CLI (15 of 30). Privacy policy of 1 April 2025 keeps data 'for as long as necessary' with no periods, while the retention policy revised 11 July 2023 gives seven days for queries before anonymisation and up to three years for ASM seed data after an account expires, and still names the retired Censys Search. Two GDPR representatives are named. No public DPA found, and the privacy page's mailto points to censys.io while its text says censys.com (16 of 30). The transition guide gives the Legacy Search API no sunset date, the Accept header allows schema versions but no lifecycle is published, and credit packs were discontinued on 2 November with no notice period stated (5 of 20). Hosted in the United States, Stripe and Google named, unnamed analytics, advertising and session replay vendors, no subprocessor list (8 of 20). 15 + 16 + 5 + 8 = 44."
        },
        "sources": [
          {
            "what": "API reference, get started (auth, rate limits, status codes, tiers)",
            "url": "https://docs.censys.com/reference/get-started.md",
            "seen": "2026-11-03"
          },
          {
            "what": "current API version",
            "url": "https://docs.censys.com/reference/current-api-version.md",
            "seen": "2026-11-03"
          },
          {
            "what": "search query reference with the embedded OpenAPI document",
            "url": "https://docs.censys.com/reference/v3-globaldata-search-query.md",
            "seen": "2026-11-03"
          },
          {
            "what": "llms.txt",
            "url": "https://docs.censys.com/llms.txt",
            "seen": "2026-11-03"
          },
          {
            "what": "Platform MCP server",
            "url": "https://docs.censys.com/docs/platform-mcp-server.md",
            "seen": "2026-11-03"
          },
          {
            "what": "ASM MCP server",
            "url": "https://docs.censys.com/docs/asm-mcp-server.md",
            "seen": "2026-11-03"
          },
          {
            "what": "service accounts",
            "url": "https://docs.censys.com/docs/platform-service-accounts.md",
            "seen": "2026-11-03"
          },
          {
            "what": "role-based access control",
            "url": "https://docs.censys.com/docs/role-based-access-control.md",
            "seen": "2026-11-03"
          },
          {
            "what": "credits for Free and Starter users",
            "url": "https://docs.censys.com/docs/platform-credits-free-starter.md",
            "seen": "2026-11-03"
          },
          {
            "what": "credits for enterprise organisations",
            "url": "https://docs.censys.com/docs/platform-credits-enterprise.md",
            "seen": "2026-11-03"
          },
          {
            "what": "Starter subscriptions",
            "url": "https://docs.censys.com/docs/platform-starter-subscriptions.md",
            "seen": "2026-11-03"
          },
          {
            "what": "Platform API transition guide",
            "url": "https://docs.censys.com/docs/platform-api-transition-guide.md",
            "seen": "2026-11-03"
          },
          {
            "what": "changelog index and the entries of 8 October, 13 October, 19 October, 26 October and 2 November 2026",
            "url": "https://docs.censys.com/changelog",
            "seen": "2026-11-03"
          },
          {
            "what": "pricing page",
            "url": "https://censys.com/pricing/",
            "seen": "2026-11-03"
          },
          {
            "what": "status page",
            "url": "https://status.censys.com/",
            "seen": "2026-11-03"
          },
          {
            "what": "status history feed",
            "url": "https://status.censys.com/history.atom",
            "seen": "2026-11-03"
          },
          {
            "what": "terms of service",
            "url": "https://censys.com/terms-of-service/",
            "seen": "2026-11-03"
          },
          {
            "what": "privacy policy",
            "url": "https://censys.com/privacy-policy/",
            "seen": "2026-11-03"
          },
          {
            "what": "data retention policy",
            "url": "https://censys.com/data-retention-policy/",
            "seen": "2026-11-03"
          },
          {
            "what": "compliance programmes page",
            "url": "https://censys.com/resources/censys-compliance-programs/",
            "seen": "2026-11-03"
          },
          {
            "what": "contact page (support and security addresses)",
            "url": "https://censys.com/contact/",
            "seen": "2026-11-03"
          },
          {
            "what": "security.txt (404)",
            "url": "https://censys.com/.well-known/security.txt",
            "seen": "2026-11-03"
          },
          {
            "what": "Python SDK README, USAGE and model docs",
            "url": "https://github.com/censys/censys-sdk-python",
            "seen": "2026-11-03"
          },
          {
            "what": "TypeScript SDK README",
            "url": "https://github.com/censys/censys-sdk-typescript",
            "seen": "2026-11-03"
          },
          {
            "what": "cencli README",
            "url": "https://github.com/censys/cencli",
            "seen": "2026-11-03"
          },
          {
            "what": "censys-ai-skills README",
            "url": "https://github.com/censys/censys-ai-skills",
            "seen": "2026-11-03"
          },
          {
            "what": "GitHub organisation repositories",
            "url": "https://api.github.com/orgs/censys/repos?per_page=100\u0026sort=pushed",
            "seen": "2026-11-03"
          },
          {
            "what": "PyPI, censys-platform",
            "url": "https://pypi.org/project/censys-platform/",
            "seen": "2026-11-03"
          },
          {
            "what": "official MCP registry search (no Censys entry)",
            "url": "https://registry.modelcontextprotocol.io/v0/servers?search=censys",
            "seen": "2026-11-03"
          },
          {
            "what": "domain RDAP",
            "url": "https://rdap.verisign.com/com/v1/domain/censys.com",
            "seen": "2026-11-03"
          }
        ],
        "openQuestions": [
          "Judgement call on category. Listed in security-intelligence, the audit's lead, since the product's job is scan data on exposed services and certificates. Attack Surface Management is a separate product with its own API and MCP server, named but not graded.",
          "firstReleased is 21 April 2025, the first PyPI release of censys-platform, the earliest first-hand date found for the Platform API v3. The service itself is older. The about page's timeline says Censys Inc. was founded in 2017 and ZMap, the project it grew from, dates from 2013. The Platform MCP server was announced on 21 July 2025.",
          "The OpenAPI document was read inside the reference page and through the SDK's generated model docs, not as a standalone file. The censys-sdk-openapi repository holds only a README.",
          "Whether the 24 to 25 August, 20 to 22 September and 2 November incidents reached the Platform API or only the web console. The feed names the Platform and its searches without saying which surface.",
          "The terms of service page is effective 1 October 2018 and names Free, Researcher, Basic and Enterprise accounts, which predate the Starter tier. No separate Platform terms were found, and censys.com/legal/ returns 404.",
          "unchecked: the example request in `connect.http` was composed from the SDK's USAGE.md body and the transition guide's path, not copied from a docs example.",
          "unchecked: GitHub issue and pull-request response times on the SDK repositories, and whether CI runs there.",
          "unchecked: pypistats and npm download counts. pypi.org's robots.txt disallows the JSON API, so only the project page was read.",
          "unchecked: censys.com/vulnerability-disclosure and censys.com/legal/, which both answered 404, and the Censys newsroom for a second time, where the safety check was rate-limited.",
          "The terms forbid crawling or scraping the site other than through an authorised API, recorded as a fact. robots.txt allows our reader on every host read."
        ]
      },
      "negative": 0,
      "verdict": "A versioned OpenAPI surface with field selection, page tokens, three official SDKs, a hosted MCP server and a free key of 100 credits a month. Paid enterprise access is sold by sales, scan results carry untrusted banner text with no injection guidance, and the status feed records a 13-hour outage on 30 September 2026.",
      "bestFor": "An agent that needs to know what a host, web property or certificate exposes right now and how that changed, with DNS resolution and enrichment on paid plans.",
      "strengths": [
        "OpenAPI 3.1 contract, version 1.0.161, with llms.txt and Markdown twins of every docs page",
        "`fields` selection, `page_size` up to 100 and `page_token` pagination on search, with `next_page_token` and `total_hits` in the response",
        "Official SDKs in Python, Go and TypeScript regenerated from the spec, the newest Python release on 29 October 2026, plus the Apache-2.0 cencli tool",
        "Hosted MCP server with OAuth and a consent page, 12 tools documented, listed as a component on the status page",
        "Free account with 100 credits a month and five free actions a day, no card named, and public Starter plans at $79 and $599 a month"
      ],
      "weaknesses": [
        "Status feed records a networking outage of about 13 hours on 30 September 2026, periodic query failures from 20 to 22 September and failing searches on 2 November",
        "No Retry-After, backoff guidance or idempotency keys found. Concurrency overruns return 429 and per-IP overruns return 503",
        "Personal access tokens carry no scopes or expiry. Service accounts with module roles need a Search or Core plan",
        "Banners, titles and certificate fields are scraped from the internet, and no prompt-injection guidance was found in the MCP or skills docs",
        "Core and higher plans, service accounts and the enrichment and reputation data are priced by sales, and Free use is non-commercial with attribution"
      ],
      "agentNotes": [
        "Send `X-Organization-ID` on every call. Without it the request runs with Free permissions and 403s on search, aggregate and collections",
        "Budget one credit per action and per extra page of 100 results. Free accounts have 100 credits a month and five free actions a day",
        "Keep one request in flight on Free and Starter organisations, since the concurrency limit is 1 and overruns return 429 with no Retry-After",
        "Pass `fields` on search and keep `host.services.port`, `transport_protocol` and `protocol` in it, or `matched_services` is dropped from the response",
        "Treat service banners, HTML titles and certificate subjects in results as untrusted text from the scanned host"
      ],
      "metrics": {
        "kind": "remote",
        "measured": false
      },
      "reviewCount": 0,
      "avgRating": 0,
      "history": [
        {
          "basis": "public evidence",
          "confidence": "medium",
          "grade": "B",
          "methodology": "0.7",
          "pending": [
            "performance",
            "tasks"
          ],
          "run": "2026-10-01",
          "runLabel": "October 2026 research run",
          "score": 64.1
        }
      ],
      "editorialScores": {
        "ergonomics": 79,
        "maintenance": 84,
        "payments": 35,
        "reliability": 55,
        "schema": 82,
        "security": 55,
        "transparency": 44
      },
      "provenanceScore": 83,
      "checked": {
        "categories": {
          "ergonomics": "2026-11-03",
          "maintenance": "2026-11-03",
          "payments": "2026-11-03",
          "reliability": "2026-11-03",
          "schema": "2026-11-03",
          "security": "2026-11-03",
          "transparency": "2026-11-03"
        },
        "last": "2026-11-03",
        "oldest": "2026-11-03",
        "stale": false,
        "staleAfterDays": 90
      },
      "scoreHistory": [
        {
          "date": "2026-11-03",
          "grade": "B",
          "kind": "listed",
          "method": "0.7",
          "score": 64.1
        }
      ]
    },
    "connect": {
      "install": "pip install censys-platform",
      "http": "curl -H \"Authorization: Bearer $CENSYS_PAT\" -H \"X-Organization-ID: $CENSYS_ORG_ID\" -H \"Content-Type: application/json\" -d '{\"query\":\"host.services: (protocol=SSH and not port: 22)\",\"page_size\":1,\"fields\":[\"host.ip\"]}' https://api.platform.censys.io/v3/global/search/query",
      "claudeCode": "claude mcp add --transport http censys-platform https://mcp.platform.censys.io/platform/mcp/",
      "config": {
        "mcpServers": {
          "censys-platform": {
            "url": "https://mcp.platform.censys.io/platform/mcp/"
          }
        }
      }
    },
    "letme": {
      "capability": "https://letme.dev/secintel.exposure",
      "tool": "https://letme.dev/censys"
    },
    "notable": [
      "The Platform API is OpenAPI 3.1.0, titled Censys Platform API, version 1.0.161 on 3 November 2026, served inside the reference pages, with the Python, Go and TypeScript SDKs generated from it by Speakeasy (https://docs.censys.com/reference/current-api-version)",
      "The official Platform MCP server is hosted at https://mcp.platform.censys.io/platform/mcp/ with OAuth or a personal access token, and its docs list 12 tools for CVE, host and attack surface investigation and CenQL query help. It was announced in the changelog of 21 July 2025 (https://docs.censys.com/docs/platform-mcp-server)",
      "Rate limits are per organisation concurrency (1 on Free and Starter, 25 on Search and Core, over it 429) and 25 requests a second per client IP with a burst of 125, over it 503. No Retry-After or backoff guidance was found (https://docs.censys.com/reference/get-started)",
      "The terms, effective 1 October 2018, limit Free and Researcher accounts to non-commercial use with attribution, allow paying customers to use the data for their own purposes and put it in reports, and reserve building it into distributed software for Enterprise accounts (https://censys.com/terms-of-service/)",
      "status.censys.com lists the Platform API and the three MCP servers as components. Its feed records 12 entries between 24 August and 2 November 2026, including a networking outage of about 13 hours on 30 September and failing searches on 2 November (https://status.censys.com/history.atom)",
      "On 2 November 2026 Censys flattened credit costs for Free and Starter users to one credit an action, introduced the Starter and Starter Pro subscriptions and discontinued credit packs (https://docs.censys.com/changelog/november-2-2026)",
      "The Python SDK censys-platform reached 0.16.7 on 29 October 2026, its eighth release in 90 days, from the maintainer censys.io (https://pypi.org/project/censys-platform/)"
    ],
    "area": "developer",
    "details": [
      {
        "label": "Surface listed",
        "value": "The Platform API v3 at api.platform.censys.io, read from docs.censys.com (reference, llms.txt, credits, MCP and service account pages), the SDK repositories, PyPI, the status feed, the terms, privacy and retention policies and censys.com on 3 November 2026. No account was made, no token minted and no tool called. The Legacy Search API and the ASM API are separate surfaces named here only"
      },
      {
        "label": "API",
        "value": "OpenAPI 3.1.0, version 1.0.161. Groups under `/v3/global/` (search, aggregate, host, web property and certificate lookups, bulk and raw variants, host and web property timelines, DNS resolution bounds and ranges, host enrichment, tracked scans, legacy query conversion), `/v3/collections/`, `/v3/threat-hunting/` (Adversary Investigation module) and `/v3/accounts/`, plus tags and comments. The Python SDK documents 86 operations in six modules"
      },
      {
        "label": "Versioning",
        "value": "Major version in the path (`/v3/`). The schema version is chosen with `Accept: application/vnd.censys.api.v3.host.v1+json`, and omitting it returns the latest. One schema version exists"
      },
      {
        "label": "Rate limits",
        "value": "Concurrency per organisation, shared across tokens, 1 on Free and Starter and 25 on Search and Core, over it 429 (enrichment exempt). 25 requests a second per client IP as a leaky bucket with a burst of 125, over it 503. Core organisations get 20,000 enrichment calls a day"
      },
      {
        "label": "Credits",
        "value": "One credit per search, lookup, aggregate or further page of 100 results on every tier since 2 November 2026. Bulk lookups cost one per asset, live rescan 10, a live discovery scan 15, a CensEye pivot job 44 for a host, 28 for a web property and 7 for a certificate. Enrichment doesn't use credits"
      },
      {
        "label": "Tiers",
        "value": "Free gets host, web property and certificate lookups. Starter gets Global Data and Collections endpoints except live rescan. Search and Core get all of them, and Core with the module gets Adversary Investigation"
      },
      {
        "label": "MCP server",
        "value": "Hosted at mcp.platform.censys.io with OAuth (consent page, organisation choice, listed under Connected Applications) or a token in a header. 12 tools in the docs, for example investigate_host, retrieve_cve_details, discover_attack_surface, generate_query and validate_censys_query. Calls use credits. A separate ASM MCP server at mcp.asm.censys.io takes an ASM API key"
      },
      {
        "label": "Errors",
        "value": "401 for a missing or invalid token, 403 for tier or role, 404 outside the organisation, 422 for invalid input or a missing organisation id, 429 for concurrency, 503 for the per-IP rate. Error bodies are `application/problem+json` ErrorModel, 401 a JSON AuthenticationError. Responses carry `X-Request-ID`"
      },
      {
        "label": "SDKs and CLI",
        "value": "censys-platform on PyPI (0.16.7, 29 October 2026, Python 3.10 or later), @censys/platform-sdk on npm, censys-sdk-go, all MIT and generated by Speakeasy. cencli (Apache-2.0, `brew install censys/tap/cencli`) with OAuth login or a token, and censys-ai-skills, a Claude Code plugin of CLI skills"
      },
      {
        "label": "Status page",
        "value": "Atlassian Statuspage at status.censys.com with Platform API, Authentication, Credit Management and three MCP server components. 12 feed entries from 24 August to 2 November 2026"
      },
      {
        "label": "Data terms",
        "value": "Free and Researcher accounts are non-commercial and must attribute Censys. Paying customers may use the data for their own purposes and distribute reports based on it. Building it into software for third parties needs an Enterprise account. Crawling the site other than through an authorised API is forbidden"
      },
      {
        "label": "Legal entity",
        "value": "Censys, Inc., 116 South Main Street, Ann Arbor, Michigan, named in the privacy policy and the terms, under Michigan law"
      }
    ],
    "unitPrices": [
      {
        "item": "Censys Starter, 500 credits",
        "unit": "month",
        "usd": 79,
        "note": "Bought in the web console. Credits roll over one month"
      },
      {
        "item": "Censys Starter Pro, 4,000 credits",
        "unit": "month",
        "usd": 599,
        "note": "More collections and tags than Starter"
      },
      {
        "item": "Credit on Starter Pro",
        "unit": "credit",
        "usd": 0.15,
        "note": "$599 for 4,000. One credit is one search, lookup, aggregate or further page of 100 results. $0.158 on Starter"
      }
    ],
    "provenance": {
      "legalEntity": "Censys, Inc.",
      "domain": "censys.com",
      "domainRegistered": "1998-10-28",
      "domainNote": "censys.com was registered on 28 October 1998 per Verisign RDAP, long before the company was founded in 2017. The API and MCP hosts are on censys.io, which redirects to censys.com.",
      "endpointOnVendorDomain": true,
      "terms": "https://censys.com/terms-of-service/",
      "privacy": "https://censys.com/privacy-policy/",
      "statusPage": "https://status.censys.com",
      "changelog": "https://docs.censys.com/changelog",
      "securityTxt": "none",
      "checked": "2026-11-03",
      "notes": [
        "Censys, Inc. is named in the terms (Michigan law, arbitration in Ann Arbor) and in the privacy policy with its Ann Arbor address. The about page's timeline says Censys Inc. was founded in 2017 from the ZMap research project of 2013.",
        "Terms effective 1 October 2018. Section 4.1(x) forbids crawling or scraping the site other than through an authorised API, recorded as a fact. censys.com/robots.txt allows all crawlers with a crawl delay of 10 seconds, and docs.censys.com/robots.txt allows all but edit, login and api-next paths.",
        "Privacy policy effective 1 April 2025. The data retention policy was revised on 11 July 2023 and still names Censys Search.",
        "/.well-known/security.txt returns 404 on censys.com, and censys.io redirects there. The contact page names security@censys.com.",
        "status.censys.com/robots.txt disallows /api/ and /embed/, so the history was read from /history.atom."
      ],
      "score": 83,
      "checks": [
        {
          "check": "Legal entity named",
          "value": "Censys, Inc.",
          "points": 20,
          "max": 20,
          "state": "ok"
        },
        {
          "check": "Domain age",
          "value": "censys.com, registered 1998-10-28 (28 years)",
          "points": 15,
          "max": 15,
          "state": "ok"
        },
        {
          "check": "Endpoint on the vendor's domain",
          "value": "api.platform.censys.io",
          "points": 15,
          "max": 15,
          "state": "ok"
        },
        {
          "check": "Terms of service",
          "value": "read, states 5 of the 7 things a reader expects, and has 3 clauses that cost points",
          "points": 2.3,
          "max": 10,
          "state": "part"
        },
        {
          "check": "Privacy policy",
          "value": "read, states 6 of the 8 things a reader expects",
          "points": 8.5,
          "max": 10,
          "state": "part"
        },
        {
          "check": "Status page",
          "value": "status.censys.com",
          "points": 10,
          "max": 10,
          "state": "ok"
        },
        {
          "check": "Changelog",
          "value": "published",
          "points": 10,
          "max": 10,
          "state": "ok"
        },
        {
          "check": "security.txt",
          "value": "not found",
          "points": 0,
          "max": 10,
          "state": "no"
        },
        {
          "check": "People named",
          "value": "2 named with their role, 2 with a public profile",
          "points": 10,
          "max": 10,
          "state": "ok"
        },
        {
          "check": "Support route",
          "value": "a support address, help pages, a community",
          "points": 5,
          "max": 5,
          "state": "ok"
        }
      ],
      "policies": [
        {
          "kind": "terms",
          "url": "https://censys.com/terms-of-service/",
          "state": "read",
          "readAt": "2026-11-03",
          "words": 6939,
          "points": 2.3,
          "max": 10,
          "expected": [
            {
              "key": "terms.date",
              "label": "Gives the date it was last updated",
              "found": false
            },
            {
              "key": "terms.law",
              "label": "Names the governing law or courts",
              "found": true,
              "quote": "These Terms of Service shall be governed by and construed in accordance with the laws of the State of Michigan, without regard to its conflicts of law provisions, and the United States of America.",
              "says": "The law of the State of Michigan"
            },
            {
              "key": "terms.liability",
              "label": "States a limit on its liability",
              "found": true,
              "quote": "…INDIRECT, PUNITIVE, INCIDENTAL, RELIANCE, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING, BUT NOT LIMITED TO, LOSS OF BUSINESS, REVENUES, PROFITS AND GOODWILL, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR (III) DAMAGES, IN THE AGGREGATE, IN EXCESS OF (IN THE AGGREGATE) THE GREATER OF (A) THE TOTAL OF…",
              "says": "Capped at the greater of $100.00 and the fees paid in the 3 months before the claim"
            },
            {
              "key": "terms.termination",
              "label": "Says how the agreement or account can be ended",
              "found": true,
              "quote": "In addition to its other rights and remedies, Censys may, at its option, suspend Paying Customers’ access to the Service or terminate this Agreement in the event that a Paying Customer is not current in the payment of fees owed to Censys."
            },
            {
              "key": "terms.changes",
              "label": "Says how changes to the terms are announced",
              "found": true,
              "quote": "Censys reserves the right, in its sole discretion, to modify or replace any of these Terms of Service, or change, suspend, or discontinue the Service (including without limitation, the availability of any feature, database, or content) at any time by posting a notice on the Site or by sending Customer notice through t…",
              "says": "Says it gives notice of a change"
            },
            {
              "key": "terms.use",
              "label": "Lists what users may not do",
              "found": true,
              "quote": "Customer shall not directly or indirectly: – (i) use the Service or any Censys Property or Confidential Information (as defined below) to create any service, software, product or system that is competitive with the Service or performs substantially the same functionality as the Service;"
            },
            {
              "key": "terms.sla",
              "label": "Refers to a service level or uptime commitment",
              "found": false
            }
          ],
          "toKnow": [
            {
              "key": "terms.automated",
              "label": "Restricts automated access",
              "found": true,
              "quote": "use manual or automated software, devices, or other processes to “crawl” or “spider” any page of the Service other than by using an authorized API",
              "costsPoints": true
            },
            {
              "key": "terms.benchmark",
              "label": "Restricts benchmarking or competitive use",
              "found": true,
              "quote": "(i) use the Service or any Censys Property or Confidential Information (as defined below) to create any service, software, product or system that is competitive with the Service or performs substantially the same functionality as the Service;",
              "costsPoints": true
            },
            {
              "key": "terms.nonotice",
              "label": "Says the terms or the service can change without notice",
              "found": true,
              "quote": "Censys may also impose limits on certain features and services or restrict Customer’s access to parts or all of the Service without notice or liability.",
              "costsPoints": true
            },
            {
              "key": "terms.cutoff",
              "label": "Says access can be ended without notice or for any reason",
              "found": true,
              "quote": "Censys may terminate Customer’s access to all or any part of the Service or Censys Data at any time, with or without cause, with or without notice, effective immediately, which may result in the forfeiture and destruction of all information associated with Customer’s Account."
            },
            {
              "key": "terms.arbitration",
              "label": "Requires arbitration or waives class actions",
              "found": true,
              "quote": "ARBITRATION NOTICE AND CLASS ACTION WAIVER: EXCEPT FOR CERTAIN TYPES OF DISPUTES DESCRIBED IN THE ARBITRATION SECTION BELOW, CUSTOMER AGREES THAT DISPUTES BETWEEN CUSTOMER AND CENSYS WILL BE RESOLVED BY BINDING, INDIVIDUAL ARBITRATION AND CUSTOMER WAIVES ITS RIGHT TO PARTICIPATE IN A CLASS ACTION LAWSUIT OR CLASS-WIDE…"
            }
          ],
          "notes": [
            {
              "date": "2026-11-03",
              "text": "Liability is capped at the greater of fees paid in the previous three months or 100 US dollars.",
              "quote": "THE GREATER OF (A) THE TOTAL OF THE AMOUNTS PAID TO Censys FOR PAID SERVICES DURING THE IMMEDIATELY PREVIOUS THREE (3) MONTH PERIOD OR (B) $100.00."
            },
            {
              "date": "2026-11-03",
              "text": "No customer may build Censys Data into software or services made available to third parties without a Censys Enterprise account.",
              "quote": "Under no circumstances may any Customer, including any Paying Customers, incorporate any Censys Data into its own software products or services that are distributed or otherwise made available to a third party."
            },
            {
              "date": "2026-11-03",
              "text": "Censys may collect, modify and create derivative works of search queries, and owns the de-identified search data and aggregated usage data.",
              "quote": "(i) collect, use, edit, host, store, reproduce, modify, distribute and create derivative works of Search Queries, provided that Censys shall not publish Search Queries in a manner that directly or indirectly identifies Customer or any individual person (“De-identified Search Data”);"
            }
          ]
        },
        {
          "kind": "privacy",
          "url": "https://censys.com/privacy-policy/",
          "state": "read",
          "readAt": "2026-11-03",
          "words": 4795,
          "points": 8.5,
          "max": 10,
          "expected": [
            {
              "key": "privacy.date",
              "label": "Gives the date it was last updated",
              "found": false
            },
            {
              "key": "privacy.collected",
              "label": "Says what personal data is collected",
              "found": true,
              "quote": "This chart details the categories of Personal Data that we may collect or may have collected if you visit our Site, sign up for our marketing materials, or otherwise engage with us before becoming a Censys customer."
            },
            {
              "key": "privacy.retention",
              "label": "Says how long data is kept",
              "found": true,
              "quote": "We retain Personal Data about you for as long as necessary to provide you with our Services or to perform our business or commercial purposes for collecting your Personal Data.",
              "says": "For as long as needed, with no period named"
            },
            {
              "key": "privacy.processors",
              "label": "Says who else receives the data",
              "found": true,
              "quote": "Categories of Third Parties With Whom We Disclose this Personal Data"
            },
            {
              "key": "privacy.sale",
              "label": "Says whether personal data is sold or shared for advertising",
              "found": true,
              "quote": "Showing you advertisements, including interest-based, online behavioral or targeted advertising."
            },
            {
              "key": "privacy.rights",
              "label": "Says what rights people have over their data",
              "found": true,
              "quote": "If you are a resident of the European Union (“EU”), United Kingdom (“UK”), Lichtenstein, Norway or Iceland, you may have additional rights under the EU or UK General Data Protection Regulation (the “GDPR”) with respect to your Personal Data, as outlined below."
            },
            {
              "key": "privacy.contact",
              "label": "Gives a privacy contact",
              "found": false
            },
            {
              "key": "privacy.transfers",
              "label": "Says where data is transferred or stored",
              "found": true,
              "quote": "servers, and you authorize Censys to transfer, store and process your information to and in the U.S., and possibly other countries."
            }
          ],
          "notes": [
            {
              "date": "2026-11-03",
              "text": "Session replay technology may record how the services are used, and continued use counts as consent to it.",
              "quote": "We may use session replay technology in order to identify and resolve customer issues, to monitor and analyze how you use our Services, to better understand user behavior, and to improve our Services."
            }
          ]
        }
      ]
    },
    "humans": {
      "slug": "censys",
      "checked": "2026-11-03",
      "company": "Censys, Inc.",
      "people": [
        {
          "name": "Zakir Durumeric",
          "role": "Founder and CEO",
          "founder": true,
          "linkedin": "https://www.linkedin.com/in/zakir-durumeric-99146614b/",
          "bio": "Zakir Durumeric is the founder and CEO of Censys. The company's about page credits him with inventing ZMap at the University of Michigan in 2013, the scanner the Censys research project grew from before it became a company in 2017.",
          "bioSources": [
            "https://censys.com/leadership/",
            "https://censys.com/about/"
          ],
          "page": "/people/zakir-durumeric/"
        },
        {
          "name": "Anil Gupta",
          "role": "Chief Technology Officer",
          "linkedin": "https://www.linkedin.com/in/anil~gupta/",
          "bio": "Anil Gupta is chief technology officer at Censys, listed on the company's leadership page.",
          "bioSources": [
            "https://censys.com/leadership/"
          ],
          "page": "/people/anil-gupta/"
        }
      ],
      "peopleNote": "The leadership page, read 3 November 2026, names Zakir Durumeric as Founder and CEO and lists Sarah Ashburn (CRO), Jeff Hackett (CFO, appointed 6 October 2026 per the newsroom), Anil Gupta (CTO), Jasmine Burns (CPO) and Michael Schwartz (VP Security and Censys ARC Research), each with a LinkedIn link, and a board of Pete D. Chung, Karim Faris, Jon Sakoda, Andrew Boyd and Dug Song. The about page says Censys 'was founded by researchers and cybersecurity practitioners' and names no other founder, so the founder roster may be incomplete. The CTO is added as the person leading the technology. Brad Brooks is quoted as CEO in Intel Capital's Series C announcement of October 2023 and is no longer on the leadership page. Investors come from the Censys newsroom (Series D), Intel Capital's own announcement (Series C) and Greylock's portfolio page. The Series A and Series B were not found on a first-hand page. The $30 million of debt in the Series D round and the $25 million from SVB Capital in 2023 are lending, not investment.",
      "companySocial": {
        "linkedin": "https://www.linkedin.com/company/censysio/",
        "x": "https://x.com/censysio",
        "github": "https://github.com/censys"
      },
      "support": {
        "emails": [
          "support@censys.com"
        ],
        "urls": [
          "https://docs.censys.com/",
          "https://censys.com/contact/"
        ],
        "community": [
          {
            "label": "Censys Community forum",
            "url": "https://community.censys.com/",
            "kind": "forum"
          }
        ],
        "contactEmails": [
          "connect@censys.com"
        ],
        "contactUrls": [
          "https://censys.com/contact/"
        ]
      },
      "sources": [
        "https://censys.com/leadership/",
        "https://censys.com/about/",
        "https://censys.com/contact/",
        "https://censys.com/newsroom/",
        "https://censys.com/newsroom/censys-raises-70-million-in-strategic-funding-to-expand-its-internet-intelligence-platform/",
        "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
        "https://greylock.com/portfolio/censys/",
        "https://community.censys.com/",
        "https://api.github.com/orgs/censys/repos?per_page=100\u0026sort=pushed"
      ],
      "ownership": {
        "status": "private",
        "checked": "2026-11-03",
        "sources": [
          "https://censys.com/newsroom/censys-raises-70-million-in-strategic-funding-to-expand-its-internet-intelligence-platform/",
          "https://censys.com/leadership/",
          "https://www.intelcapital.com/censys-secures-75m-in-new-funding"
        ]
      },
      "investors": [
        {
          "name": "Morgan Stanley Expansion Capital",
          "kind": "vc",
          "rounds": [
            "Series D, March 2026"
          ],
          "lead": true,
          "url": "https://www.morganstanley.com/im/en-us/institutional-investor/strategies/private-markets/expansion-capital.html",
          "source": "https://censys.com/newsroom/censys-raises-70-million-in-strategic-funding-to-expand-its-internet-intelligence-platform/",
          "quote": "Censys is widely recognized by their customers as THE authoritative source for Internet intelligence",
          "page": "/investors/morgan-stanley-expansion-capital/"
        },
        {
          "name": "Decibel Partners",
          "firm": "Decibel",
          "kind": "vc",
          "rounds": [
            "Series C, October 2023",
            "Series D, March 2026"
          ],
          "lead": true,
          "url": "https://www.decibel.vc",
          "source": "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
          "quote": "Series C led by Decibel Partners, GV, Greylock, and Intel Capital",
          "page": "/investors/decibel/"
        },
        {
          "name": "Greylock Partners",
          "firm": "Greylock",
          "kind": "vc",
          "rounds": [
            "Seed",
            "Series C, October 2023",
            "Series D, March 2026"
          ],
          "lead": true,
          "url": "https://greylock.com",
          "source": "https://greylock.com/portfolio/censys/",
          "quote": "First partnered: Seed",
          "page": "/investors/greylock/"
        },
        {
          "name": "GV",
          "kind": "vc",
          "rounds": [
            "Series C, October 2023",
            "Series D, March 2026"
          ],
          "lead": true,
          "url": "https://www.gv.com",
          "source": "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
          "quote": "Series C led by Decibel Partners, GV, Greylock, and Intel Capital",
          "page": "/investors/gv/"
        },
        {
          "name": "Intel Capital",
          "firm": "Intel",
          "kind": "corporate",
          "rounds": [
            "Series C, October 2023",
            "Series D, March 2026"
          ],
          "lead": true,
          "url": "https://www.intelcapital.com",
          "source": "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
          "quote": "Series C led by Decibel Partners, GV, Greylock, and Intel Capital",
          "page": "/investors/intel/"
        },
        {
          "name": "Ascension Ventures",
          "kind": "vc",
          "rounds": [
            "Series C, October 2023"
          ],
          "url": "https://www.ascensionventures.com",
          "source": "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
          "quote": "New investors: Ascension Ventures, Four Rivers Partners V, L.P., and accounts managed by Hamilton Lane",
          "page": "/investors/ascension-ventures/"
        },
        {
          "name": "Four Rivers Partners",
          "firm": "Four Rivers",
          "kind": "vc",
          "rounds": [
            "Series C, October 2023"
          ],
          "source": "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
          "quote": "New investors: Ascension Ventures, Four Rivers Partners V, L.P., and accounts managed by Hamilton Lane",
          "page": "/investors/four-rivers/"
        },
        {
          "name": "Hamilton Lane",
          "kind": "other",
          "rounds": [
            "Series C, October 2023"
          ],
          "url": "https://www.hamiltonlane.com",
          "source": "https://www.intelcapital.com/censys-secures-75m-in-new-funding",
          "quote": "accounts managed by Hamilton Lane",
          "page": "/investors/hamilton-lane/"
        }
      ]
    },
    "pageJsonUrl": "https://www.anchorterminal.com/tools/censys.json",
    "live": {
      "slug": "censys",
      "probe": {
        "target": "https://api.platform.censys.io/v3/",
        "method": "get",
        "lastAt": "2026-11-04T19:34:27.074458795Z",
        "lastOk": true,
        "lastStatus": 401,
        "lastMs": 442,
        "lastNote": "asks for credentials",
        "authRequired": true,
        "uptime24h": 100,
        "uptime30d": 100,
        "p50ms24h": 351,
        "p95ms24h": 681,
        "samples24h": 43,
        "samples30d": 43,
        "days": [
          {
            "date": "2026-11-04",
            "probes": 43,
            "ok": 43
          }
        ]
      },
      "vendorStatus": {
        "page": "https://status.censys.com",
        "indicator": "none",
        "summary": "All Systems Operational",
        "checkedAt": "2026-11-04T19:31:06.427919905Z"
      },
      "securityTxt": {
        "url": "https://censys.com/.well-known/security.txt",
        "state": "none",
        "checkedAt": "2026-11-04T15:53:02.043068357Z"
      },
      "updatedAt": "2026-11-04T19:34:27.074458795Z"
    }
  }
}
