{ "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-10", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.4", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "tool": { "slug": "centrifugo", "name": "Centrifugo", "vendor": "Centrifugal Labs LTD", "vendorUrl": "https://centrifugal.dev", "kind": "http-api", "category": "webhooks", "summary": "Centrifugo is an open-source, self-hosted realtime messaging server from Centrifugal Labs. A backend publishes to channels through its HTTP or gRPC server API, and subscribers receive messages over WebSocket, SSE, HTTP streaming or gRPC.", "url": "https://www.anchorterminal.com/tools/centrifugo", "markdownUrl": "https://www.anchorterminal.com/tools/centrifugo.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/centrifugo.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/centrifugo.json", "repo": "https://github.com/centrifugal/centrifugo", "license": "Apache-2.0 for the open-source server. Centrifugo PRO is a closed commercial build under the Centrifugo PRO Licence Agreement", "transports": [ "http" ], "packages": [ { "registry": "oci", "name": "centrifugo/centrifugo" } ], "auth": "api-key", "authNotes": "The owner sets one key in `http_api.key` and callers send it in the `X-API-Key` header. The docs also accept it as an `api_key` query parameter. gRPC uses `grpc_api.key`. The key covers every method, with no scopes. No signup or approval, because the owner runs the server.", "pricing": "free", "pricingNotes": "The open-source server is free under Apache-2.0, with nothing to buy and no account. Centrifugo PRO is a flat company-wide licence priced by quote for businesses, and runs without a key in a sandbox mode limited to 20 connections, 2 nodes and 5 API requests a second (https://centrifugal.dev/pro, checked 2026-10-09).", "priceSummary": "Free ยท OSS", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the full documentation corpus or the Swagger file (checked 2026-10-09).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 10841, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-10-09" }, "docsUrl": "https://centrifugal.dev/docs/getting-started/introduction", "llmsTxt": "https://centrifugal.dev/llms.txt", "openapi": "https://github.com/centrifugal/centrifugo/blob/master/internal/apiproto/swagger/api.swagger.json", "capabilities": [ "events.realtime" ], "tags": [ "self-hosted", "open-source", "free", "api-key", "openapi", "llms-txt", "websocket", "pub-sub", "presence", "docker", "go", "python", "php", "ruby", "telemetry-default-on" ], "lastRelease": "2026-09-28", "graded": true, "anchor": { "graded": true, "score": 63.1, "grade": "B", "agentReady": false, "rank": 407, "ranked": true, "rankOf": 950, "categoryRank": 8, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 76, "maintenance": 86, "payments": 60, "reliability": 86, "schema": 81, "security": 37, "transparency": 56 }, "pending": [ "performance", "tasks" ], "breakdown": [ { "key": "reliability", "name": "Reliability", "weight": 16, "effectiveWeight": 20, "score": 86, "points": 17.2, "reason": "Read with the local-software lines, because Centrifugo is a server the owner runs and has no hosted service. Prebuilt binaries for seven named platforms, a Docker image, deb and rpm packages, a Helm chart and a Homebrew tap (20). `test.yml` runs lint, unit and integration tests on Go 1.26.8 for every push, across 120 test files. We did not read the current pass state on `master` (20). The issues page shows 20 open issues, the newest opened on 7 October 2026 and eleven opened before 2025. Replies were not read (20). Release notes on GitHub separate improvements, fixes and breaking changes, and v6.9.0 flagged its breaking configuration change with migration steps. That change came in a minor release, and `CHANGELOG.md` stops at v5.1.1 (11). Version 6.9.7 (15)." }, { "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": 81, "points": 13.16, "reason": "A Swagger 2.0 file with 40 operations and 162 definitions and an `api.proto` are in the repository, and the server can show the file at `/swagger` (25). llms.txt and a full Markdown corpus (10). Every operation has a summary and fields carry 874 descriptions, some with limits, such as the five-minute window of `idempotency_key`. Few say when not to call a method (14). Fields are typed, but the file has no enums, required fields are named only in description text, and `data` is any JSON by design (7). The docs give a curl example and a response for each method, the error codes and their HTTP and gRPC mapping. The Swagger file has no examples and lists only 200, 400, 401 and 500 (12). Docs are versioned from v3 to v6 with a migration guide for each major version and release notes on GitHub. The API itself has no version in its path (13)." }, { "key": "ergonomics", "name": "Agent ergonomics", "weight": 13, "effectiveWeight": 16.25, "score": 76, "points": 12.35, "reason": "`history` returns only the stream position unless `limit` is set, and `channels` takes a glob `pattern`. No field selection (17). `history` pages with `limit`, `since` and `reverse`. `channels` has no pagination, which the docs state, and `presence` returns every client (13). Errors are numeric codes with a message, and a `temporary` flag that says a retry may succeed. By default the HTTP API answers 200 with the error in the body, and the `transport` error mode maps codes to HTTP statuses (15). `idempotency_key` on publish and broadcast, cached for five minutes per channel on the Memory and Redis engines only, plus `version` to drop stale updates (17). A publish needs `channel` and `data`. Official HTTP API libraries for Python, PHP, Go and Ruby (14)." }, { "key": "security", "name": "Security \u0026 auth", "weight": 14, "effectiveWeight": 17.5, "score": 37, "points": 6.48, "reason": "The server API has one key for every method, set in the configuration file and changed by editing it. Client connections use JWTs with expiry and per-channel subscription tokens (15). The docs give the `api_key` URL query parameter as an option (minus 10). Client permissions are denied by default and granted per namespace, and the admin UI, Swagger UI and keyless mode are off by default. The open-source edition has no read-only API key and no confirmation on `history_remove` or `disconnect` (9). Channel messages are whatever other publishers sent. The docs mark emulated headers as untrusted input and give no guidance for agents reading messages (5). Logs at debug level show API requests and Prometheus metrics count API commands. No audit log in the open-source edition (6). `SECURITY.md`, GitHub private reporting, eleven advisories published with fixes in 2026, Dependabot and Renovate. No security.txt (HTTP 404), bug bounty or certification found (12)." }, { "key": "payments", "name": "Payments \u0026 pricing", "weight": 10, "effectiveWeight": 12.5, "score": 60, "points": 7.5, "reason": "Read with the self-hosted rule, on the open-source server an agent would use. No x402, MPP or L402 (0). The server is free with nothing to buy (20). No card, trial or account (20). An agent can fetch the binary or Docker image and generate its own configuration and key with `centrifugo genconfig`, with no signup (20). Centrifugo PRO is priced by quote, which this score does not count." }, { "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": 86, "points": 7.53, "reason": "v6.9.7 was tagged on 28 September 2026, 11 days before this check (30). Seven releases from 12 July to 28 September 2026 (20). 20 open issues with the newest two days old, and community rooms on Telegram and Discord. Reply times were not read (18). Official HTTP API libraries in four languages and client SDKs in six. Their release dates were not checked (10). Dependabot and Renovate are configured, releases build on Go 1.26.8 and CI runs on every push. The pass state was not read (8)." }, { "key": "transparency", "name": "Transparency \u0026 trust", "weight": 7, "effectiveWeight": 8.75, "score": 56, "points": 4.9, "note": "editorial 71, provenance 41", "reason": "The server is open source under Apache-2.0. Centrifugo PRO is a separate closed build (30). No privacy policy or terms were found for the site or the open-source server. The server runs on the owner's machines, and the PRO Licence Agreement says the software sends the vendor no message content or personal data (15). Prometheus Summary metrics are marked deprecated since v6.8.1 with removal in v7, and one Redis option is marked deprecated, both without dates. No written deprecation policy (10). Anonymous usage statistics are sent once in 24 hours by default. The docs disclose this, describe the content as counters only and give the `usage_stats.disabled` opt-out, without a field list (16)." } ], "assessment": { "date": "2026-10-09", "basis": "public evidence", "confidence": "medium", "notes": { "ergonomics": "`history` returns only the stream position unless `limit` is set, and `channels` takes a glob `pattern`. No field selection (17). `history` pages with `limit`, `since` and `reverse`. `channels` has no pagination, which the docs state, and `presence` returns every client (13). Errors are numeric codes with a message, and a `temporary` flag that says a retry may succeed. By default the HTTP API answers 200 with the error in the body, and the `transport` error mode maps codes to HTTP statuses (15). `idempotency_key` on publish and broadcast, cached for five minutes per channel on the Memory and Redis engines only, plus `version` to drop stale updates (17). A publish needs `channel` and `data`. Official HTTP API libraries for Python, PHP, Go and Ruby (14).", "maintenance": "v6.9.7 was tagged on 28 September 2026, 11 days before this check (30). Seven releases from 12 July to 28 September 2026 (20). 20 open issues with the newest two days old, and community rooms on Telegram and Discord. Reply times were not read (18). Official HTTP API libraries in four languages and client SDKs in six. Their release dates were not checked (10). Dependabot and Renovate are configured, releases build on Go 1.26.8 and CI runs on every push. The pass state was not read (8).", "payments": "Read with the self-hosted rule, on the open-source server an agent would use. No x402, MPP or L402 (0). The server is free with nothing to buy (20). No card, trial or account (20). An agent can fetch the binary or Docker image and generate its own configuration and key with `centrifugo genconfig`, with no signup (20). Centrifugo PRO is priced by quote, which this score does not count.", "reliability": "Read with the local-software lines, because Centrifugo is a server the owner runs and has no hosted service. Prebuilt binaries for seven named platforms, a Docker image, deb and rpm packages, a Helm chart and a Homebrew tap (20). `test.yml` runs lint, unit and integration tests on Go 1.26.8 for every push, across 120 test files. We did not read the current pass state on `master` (20). The issues page shows 20 open issues, the newest opened on 7 October 2026 and eleven opened before 2025. Replies were not read (20). Release notes on GitHub separate improvements, fixes and breaking changes, and v6.9.0 flagged its breaking configuration change with migration steps. That change came in a minor release, and `CHANGELOG.md` stops at v5.1.1 (11). Version 6.9.7 (15).", "schema": "A Swagger 2.0 file with 40 operations and 162 definitions and an `api.proto` are in the repository, and the server can show the file at `/swagger` (25). llms.txt and a full Markdown corpus (10). Every operation has a summary and fields carry 874 descriptions, some with limits, such as the five-minute window of `idempotency_key`. Few say when not to call a method (14). Fields are typed, but the file has no enums, required fields are named only in description text, and `data` is any JSON by design (7). The docs give a curl example and a response for each method, the error codes and their HTTP and gRPC mapping. The Swagger file has no examples and lists only 200, 400, 401 and 500 (12). Docs are versioned from v3 to v6 with a migration guide for each major version and release notes on GitHub. The API itself has no version in its path (13).", "security": "The server API has one key for every method, set in the configuration file and changed by editing it. Client connections use JWTs with expiry and per-channel subscription tokens (15). The docs give the `api_key` URL query parameter as an option (minus 10). Client permissions are denied by default and granted per namespace, and the admin UI, Swagger UI and keyless mode are off by default. The open-source edition has no read-only API key and no confirmation on `history_remove` or `disconnect` (9). Channel messages are whatever other publishers sent. The docs mark emulated headers as untrusted input and give no guidance for agents reading messages (5). Logs at debug level show API requests and Prometheus metrics count API commands. No audit log in the open-source edition (6). `SECURITY.md`, GitHub private reporting, eleven advisories published with fixes in 2026, Dependabot and Renovate. No security.txt (HTTP 404), bug bounty or certification found (12).", "transparency": "The server is open source under Apache-2.0. Centrifugo PRO is a separate closed build (30). No privacy policy or terms were found for the site or the open-source server. The server runs on the owner's machines, and the PRO Licence Agreement says the software sends the vendor no message content or personal data (15). Prometheus Summary metrics are marked deprecated since v6.8.1 with removal in v7, and one Redis option is marked deprecated, both without dates. No written deprecation policy (10). Anonymous usage statistics are sent once in 24 hours by default. The docs disclose this, describe the content as counters only and give the `usage_stats.disabled` opt-out, without a field list (16)." }, "sources": [ { "what": "llms.txt docs index", "url": "https://centrifugal.dev/llms.txt", "seen": "2026-10-09" }, { "what": "full documentation corpus (server API, configuration, installation, error codes, usage statistics, PRO overview)", "url": "https://centrifugal.dev/llms-full.txt", "seen": "2026-10-09" }, { "what": "server API documentation", "url": "https://centrifugal.dev/docs/server/server_api", "seen": "2026-10-09" }, { "what": "Centrifugo PRO page, pricing and sandbox mode", "url": "https://centrifugal.dev/pro", "seen": "2026-10-09" }, { "what": "Centrifugo PRO Licence Agreement", "url": "https://centrifugal.dev/license", "seen": "2026-10-09" }, { "what": "company page", "url": "https://centrifugal.dev/company", "seen": "2026-10-09" }, { "what": "security.txt (HTTP 404)", "url": "https://centrifugal.dev/.well-known/security.txt", "seen": "2026-10-09" }, { "what": "repository, cloned (LICENSE, SECURITY.md, CHANGELOG.md, workflows, api.proto, tags)", "url": "https://github.com/centrifugal/centrifugo", "seen": "2026-10-09" }, { "what": "Swagger file, read from the clone", "url": "https://github.com/centrifugal/centrifugo/blob/master/internal/apiproto/swagger/api.swagger.json", "seen": "2026-10-09" }, { "what": "releases and release notes", "url": "https://github.com/centrifugal/centrifugo/releases", "seen": "2026-10-09" }, { "what": "open issues", "url": "https://github.com/centrifugal/centrifugo/issues", "seen": "2026-10-09" }, { "what": "security advisories, both pages", "url": "https://github.com/centrifugal/centrifugo/security/advisories", "seen": "2026-10-09" }, { "what": "advisory GHSA-j77h-rr39-c552", "url": "https://github.com/centrifugal/centrifugo/security/advisories/GHSA-j77h-rr39-c552", "seen": "2026-10-09" }, { "what": "advisory GHSA-4r3x-2rwr-6w65", "url": "https://github.com/centrifugal/centrifugo/security/advisories/GHSA-4r3x-2rwr-6w65", "seen": "2026-10-09" }, { "what": "RDAP for centrifugal.dev", "url": "https://pubapi.registry.google/rdap/domain/centrifugal.dev", "seen": "2026-10-09" } ], "openQuestions": [ "unchecked: the pass state of the `test.yml` workflow on `master`. The Actions page was not read", "unchecked: replies and reply times on the 20 open issues. Only the list page was read", "unchecked: release dates and package names of the official HTTP API libraries and client SDKs, and Docker Hub pull counts. npm and PyPI download figures are left null", "unchecked: which Centrifugo release first shipped the fix for GHSA-4r3x-2rwr-6w65. The advisory gives versions of the `centrifugal/protocol` package", "No terms of service or privacy policy were found for centrifugal.dev or the open-source server, so `provenance.terms` and `provenance.privacy` are left out", "The fields sent in anonymous usage statistics are not listed in the docs. The source in `internal/usage` was not read line by line", "First release date not established from a 200-commit clone", "Centrifugo PRO's price is by quote, and the PRO build was not graded" ] }, "negative": -6, "negativeNotes": [ "2026-02-19 to 2026-09-29. Eleven security advisories were published on the repository in just over seven months, two rated Critical, three High, three Moderate and three Low. GHSA-j77h-rr39-c552 (12 March 2026, Critical) is an unauthenticated SSRF through dynamic JWKS URLs, patched in 6.7.0. GHSA-4r3x-2rwr-6w65 (18 August 2026, Critical) is an unauthenticated crash in the protobuf stream decoder. GHSA-9468-v6mj-fppw (7 July 2026, High) let clients forge headers forwarded to proxy backends, fixed in 6.9.0. All were published by the maintainer with fixes, so the deduction is reduced to 6 (https://github.com/centrifugal/centrifugo/security/advisories)." ], "verdict": "Centrifugo is Apache-2.0 software an owner runs, with a 40-operation Swagger file, idempotency keys on publish and seven releases in the 90 days to 28 September 2026. The server API has one all-powerful key, which the docs also accept in the URL, and eleven security advisories were published between February and September 2026, two rated Critical.", "bestFor": "A team that wants to run its own realtime channel server and publish to browsers and apps from any backend, with history, recovery and presence.", "strengths": [ "Apache-2.0 server with binaries for seven platforms, a Docker image, deb and rpm packages, a Helm chart and a Homebrew tap", "Swagger 2.0 file and `api.proto` in the repository cover 40 server API operations, and the site serves llms.txt and a full Markdown corpus", "`idempotency_key` on publish and broadcast drops duplicates for five minutes per channel on the Memory and Redis engines", "Seven releases between 12 July and 28 September 2026, each with notes that separate improvements, fixes and breaking changes", "Eleven security advisories published by the maintainer from February to September 2026, each with a patched version or fix noted" ], "weaknesses": [ "Two advisories in 2026 are rated Critical. One is an unauthenticated SSRF fixed in 6.7.0, the other an unauthenticated crash in the protobuf decoder", "The HTTP server API has one key for every method, set in the config file, with no scopes or read-only key in the open-source edition", "The docs accept the API key as an `api_key` URL query parameter, while recommending the `X-API-Key` header", "By default the HTTP API answers 200 with an `error` object. HTTP status codes need the `transport` error mode", "Anonymous usage statistics are sent every 24 hours unless `usage_stats.disabled` is set. Centrifugo PRO is priced by quote only" ], "agentNotes": [ "Check every response for an `error` field, or send `X-Centrifugo-Error-Mode: transport` to get HTTP status codes. Batch and broadcast replies still need per-item checks", "Send `idempotency_key` on publish and broadcast before retrying. It works per channel for five minutes, on the Memory and Redis engines only", "Call `history` with `limit`. Without it the result holds only `offset` and `epoch`, and history is off until the namespace enables it", "Send the key in the `X-API-Key` header, never as `?api_key=`. For gRPC set metadata `authorization` to `apikey \u003cKEY\u003e`", "Avoid `channels` on a large deployment. It returns every active channel with no pagination, so pass `pattern`" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 63.1 } ], "editorialScores": { "ergonomics": 76, "maintenance": 86, "payments": 60, "reliability": 86, "schema": 81, "security": 37, "transparency": 71 }, "provenanceScore": 41 }, "connect": { "install": "curl -sSLf https://centrifugal.dev/install.sh | sh", "http": "curl --header \"X-API-Key: \u003cAPI_KEY\u003e\" \\\n --request POST \\\n --data '{\"channel\": \"test\", \"data\": {\"value\": \"test_value\"}}' \\\n http://localhost:8000/api/publish" }, "letme": { "capability": "https://letme.dev/events.realtime", "tool": "https://letme.dev/centrifugo" }, "notable": [ "The server HTTP API is POST-only under `/api`, with a Swagger 2.0 file of 40 operations and 162 definitions that includes Centrifugo PRO methods (https://github.com/centrifugal/centrifugo/blob/master/internal/apiproto/swagger/api.swagger.json)", "llms.txt links a full documentation corpus of about 2 MB at https://centrifugal.dev/llms-full.txt", "Delivery is at most once by default. History with recovery or positioning gives at least once within the history retention window (https://centrifugal.dev/docs/getting-started/design)", "v6.9.0 of 7 July 2026 changed proxy header forwarding as a breaking change to fix GHSA-9468-v6mj-fppw, with migration steps in the release notes (https://github.com/centrifugal/centrifugo/releases)", "The advisories page lists eleven published advisories from 19 February to 29 September 2026. Two Critical, three High, three Moderate, three Low (https://github.com/centrifugal/centrifugo/security/advisories)", "Centrifugo PRO is a separate closed build under a commercial Licence Agreement, priced by quote, with a sandbox mode of 20 connections, 2 nodes and 5 API requests a second (https://centrifugal.dev/pro)", "Anonymous usage statistics are sent once in 24 hours and are turned off with `usage_stats.disabled` (https://centrifugal.dev/docs/server/configuration)" ], "area": "developer", "details": [ { "label": "Surface graded", "value": "The open-source server an owner runs, through its HTTP server API (default `http://localhost:8000/api`) and gRPC server API. No hosted service and no MCP server found" }, { "label": "API", "value": "POST with a JSON body per method. publish, broadcast, subscribe, unsubscribe, disconnect, refresh, presence, presence_stats, history, history_remove, channels, info, batch, plus map and shared poll methods. The Swagger file has 40 operations, PRO methods among them" }, { "label": "Credentials", "value": "One key in `http_api.key`, sent as `X-API-Key` or, as a documented option, `?api_key=`. `grpc_api.key` for gRPC. Clients connect with JWTs or through a connect proxy. JWKS authentication for the server API is PRO only" }, { "label": "Delivery", "value": "At most once by default. Channel history with recovery or positioning gives at least once within retention. Engines are Memory, Redis and NATS (NATS without history)" }, { "label": "Idempotency", "value": "`idempotency_key` on publish and broadcast, per channel, results cached for five minutes, Memory and Redis engines only. `version` and `version_epoch` drop stale document updates" }, { "label": "Errors", "value": "Codes 100, 102, 104, 107, 108, 111, 112 and 113 with a message, and a `temporary` flag in the Swagger file. 200 with an `error` object by default, HTTP or gRPC codes in `transport` error mode" }, { "label": "Rate limits", "value": "None on the server API in the open-source edition. Operation rate limits per connection and per user are in PRO only. PRO sandbox mode allows 5 API requests a second" }, { "label": "Async input", "value": "Consumers read API commands from Kafka, Redis Streams, a PostgreSQL outbox table, NATS JetStream, Google Pub/Sub, AWS SQS and Azure Service Bus" }, { "label": "Client transports", "value": "WebSocket, HTTP streaming, SSE, WebTransport (experimental) and gRPC, with unidirectional variants that need no SDK" }, { "label": "Libraries", "value": "Official HTTP API libraries cent (Python), phpcent (PHP), gocent (Go) and rubycent (Ruby). Official client SDKs for JavaScript, Go, Dart, Swift, Java and Python, with C# in progress" }, { "label": "Install", "value": "Single static binary for Linux (amd64, arm64, armv6), macOS (amd64, arm64), Windows and FreeBSD. Docker image `centrifugo/centrifugo`, deb and rpm on packagecloud, Helm chart, Homebrew tap" }, { "label": "Admin", "value": "Web UI off by default, behind `admin.password` and `admin.secret`. Swagger UI at `/swagger` when `swagger.enabled` is set, on the internal port" }, { "label": "Telemetry", "value": "Anonymous usage counters sent once in 24 hours, on by default. `usage_stats.disabled` turns them off" }, { "label": "Licence", "value": "Apache-2.0 for the server. Centrifugo PRO is closed, under the Centrifugo PRO Licence Agreement at https://centrifugal.dev/license" }, { "label": "Releases", "value": "v6.9.7 on 28 September 2026, built with Go 1.26.8. Notes are on the GitHub releases page, and `CHANGELOG.md` stops at v5.1.1" } ], "unitPrices": [ { "item": "Centrifugo open-source server (self-hosted)", "unit": "month", "usd": 0, "note": "free under Apache-2.0. Centrifugo PRO is priced by quote" } ], "provenance": { "legalEntity": "Centrifugal Labs LTD", "domain": "centrifugal.dev", "domainRegistered": "2021-05-27", "endpointOnVendorDomain": false, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://github.com/centrifugal/centrifugo/releases", "securityTxt": "none", "checked": "2026-10-09", "notes": [ "https://centrifugal.dev/company says Centrifugal Labs LTD is a Cyprus-registered company (HE 446709) founded in 2023, at 11 Apostolou Andrea Street, Hyper Tower, 4007 Limassol", "Centrifugo is software the owner runs, so there is no vendor endpoint and no status page", "No terms of service and no privacy policy were found on centrifugal.dev. The Apache-2.0 licence stands in for the open-source server. The Centrifugo PRO Licence Agreement at https://centrifugal.dev/license governs the commercial build only, and its section 4.9 says the software sends no personal data to the vendor", "https://centrifugal.dev/.well-known/security.txt answered 404 on 9 October 2026. `SECURITY.md` in the repository asks for reports through GitHub private vulnerability reporting", "RDAP at the .dev registry gives a registration date of 2021-05-27 for centrifugal.dev", "The lead named the vendor Centrifugal Labs. The registered name is Centrifugal Labs LTD" ], "score": 41, "checks": [ { "check": "Legal entity named", "value": "Centrifugal Labs LTD", "points": 20, "max": 20, "state": "ok" }, { "check": "Domain age", "value": "centrifugal.dev, registered 2021-05-27 (5 years)", "points": 11, "max": 15, "state": "part" }, { "check": "Endpoint on the vendor's domain", "value": " is not on centrifugal.dev", "points": 0, "max": 15, "state": "no" }, { "check": "Terms of service", "value": "not found", "points": 0, "max": 10, "state": "no" }, { "check": "Privacy policy", "value": "not found", "points": 0, "max": 10, "state": "no" }, { "check": "Status page", "value": "not found", "points": 0, "max": 10, "state": "no" }, { "check": "Changelog", "value": "published", "points": 10, "max": 10, "state": "ok" }, { "check": "security.txt", "value": "not found", "points": 0, "max": 10, "state": "no" } ] }, "pageJsonUrl": "https://www.anchorterminal.com/tools/centrifugo.json", "live": { "slug": "centrifugo", "versions": [ { "registry": "github", "name": "centrifugal/centrifugo", "version": "v6.9.7", "released": "2026-09-29", "seenAt": "2026-10-09T16:44:39.476672497Z" } ], "githubStars": 10843, "updatedAt": "2026-10-09T16:44:39.476672497Z" } } }