{
  "data": {
    "a": {
      "slug": "apollo",
      "name": "Apollo API + MCP",
      "vendor": "Apollo.io",
      "vendorUrl": "https://www.apollo.io",
      "kind": "http-api",
      "category": "lead-data",
      "summary": "People and company search over Apollo's database of about 240 million contacts and 30 million companies, person and company enrichment with email and mobile reveal, and the Apollo CRM and sequence objects.",
      "url": "https://www.anchorterminal.com/tools/apollo",
      "markdownUrl": "https://www.anchorterminal.com/tools/apollo.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/apollo.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/apollo.json",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.apollo.io/api/v1",
      "packages": [],
      "auth": "mixed",
      "authNotes": "REST uses the `x-api-key` header. Keys can be limited to chosen endpoints, and a master key reaches everything. Partners use OAuth 2.0. The hosted MCP at mcp.apollo.io uses OAuth, and headless clients send a master key in `X-Api-Key`. Calls act as the workspace's longest-standing active admin, whoever made the key.",
      "pricing": "freemium",
      "pricingNotes": "Free plan, then Basic $49, Professional $79 and Organization $119 a user a month billed yearly ($59, $99 and $149 monthly; the Organization plan needs 3 seats). People search costs 0 credits. Person enrichment is 1 credit for email and demographics plus 8 for a mobile number, and waterfall lookups through third-party vendors can reach 20 or more credits for an email and 45 or more for a phone. Company enrichment is 1 credit per company, company search 1 credit per page of up to 100. The pricing FAQ says custom integrations need a Custom plan, while the API docs list rate limits for the Free through Organization plans (https://www.apollo.io/pricing).",
      "priceSummary": "$49 / seat-mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 mention in the API docs, MCP docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 25,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.apollo.io",
      "llmsTxt": "https://docs.apollo.io/llms.txt",
      "openapi": "https://docs.apollo.io/openapi/apollo-rest-api.json",
      "registryName": "io.github.apolloio/apollo-mcp",
      "capabilities": [
        "lead.search",
        "lead.enrichment",
        "email.finder",
        "data.company",
        "data.person"
      ],
      "tags": [
        "lead-search",
        "enrichment",
        "hosted",
        "freemium",
        "mcp",
        "llms-txt",
        "openapi",
        "webhooks",
        "closed-source"
      ],
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 63.6,
        "grade": "B",
        "agentReady": false,
        "rank": 199,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 1,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 65,
          "maintenance": 58,
          "payments": 30,
          "reliability": 65,
          "schema": 87,
          "security": 60,
          "transparency": 75
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "People search costs 0 credits, up to 100 records a page and 50,000 a query. Headless MCP use needs a master key that reaches every endpoint.",
        "strengths": [
          "People search costs 0 credits, up to 100 records a page and 50,000 a query",
          "`error_details` carries a stable code, ordered fix suggestions and `retry_after_seconds`",
          "Scoped API keys limited to chosen endpoints, with regenerate and delete",
          "ISO 27001 and SOC 2 Type 2, with a public subprocessor list in the trust centre",
          "Listed in the official MCP registry under io.github.apolloio"
        ],
        "weaknesses": [
          "Headless MCP use needs a master key that reaches every endpoint",
          "MCP write actions include sending email, sequence enrolment and buying domains, with no read-only mode",
          "Status page has no API or MCP component, and logged background-job downtimes of 1 h 16 min and 2 h 49 min in the last 90 days",
          "Pricing FAQ says API access is on Custom plans, while the API docs list limits for Free through the Organization plan",
          "One changelog entry and no SLA found"
        ],
        "agentNotes": [
          "Search people first at 0 credits, then enrich only the people you'll contact",
          "Branch on `error_details.code` and wait `retry_after_seconds` from the suggestions after a 429",
          "Limits are per team, so read the `x-minute-usage` and remaining headers before a bulk run",
          "Use a scoped key with only the endpoints the job needs. A master key reaches everything",
          "Get a person's approval before adding contacts to a sequence, since enrolment can start sending"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 63.6
          }
        ],
        "editorialScores": {
          "ergonomics": 65,
          "maintenance": 58,
          "payments": 30,
          "reliability": 65,
          "schema": 87,
          "security": 60,
          "transparency": 64
        },
        "provenanceScore": 86
      },
      "connect": {
        "http": "curl -X POST https://api.apollo.io/api/v1/mixed_people/api_search -H \"x-api-key: $APOLLO_API_KEY\" \\\n  -H \"Content-Type: application/json\" -d '{\"person_titles\":[\"head of sales\"],\"per_page\":5}'",
        "claudeCode": "claude mcp add --transport http apollo https://mcp.apollo.io/mcp"
      },
      "letme": {
        "capability": "https://letme.dev/lead.search",
        "tool": "https://letme.dev/apollo"
      },
      "area": "web-data",
      "unitPrices": [
        {
          "item": "Basic plan",
          "unit": "seat-month",
          "usd": 49,
          "note": "billed yearly, $59 monthly"
        },
        {
          "item": "Professional plan",
          "unit": "seat-month",
          "usd": 79,
          "note": "billed yearly, $99 monthly"
        },
        {
          "item": "Organization plan",
          "unit": "seat-month",
          "usd": 119,
          "note": "billed yearly, $149 monthly, 3 seats minimum"
        }
      ],
      "provenance": {
        "legalEntity": "ZenLeads Inc. d/b/a Apollo.io",
        "domain": "apollo.io",
        "domainRegistered": "2018-01-09",
        "endpointOnVendorDomain": true,
        "terms": "https://www.apollo.io/terms",
        "privacy": "https://www.apollo.io/privacy-policy",
        "statusPage": "https://status.apollo.io",
        "changelog": "https://docs.apollo.io/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "Plan prices come from the pricing page's structured data and third-party reports. The plan table itself renders client-side"
        ],
        "score": 86
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/apollo.json",
      "live": {
        "slug": "apollo",
        "probe": {
          "target": "https://api.apollo.io/api/v1",
          "method": "get",
          "lastAt": "2026-10-05T01:43:33.18933545Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 322,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 337,
          "p95ms24h": 412,
          "samples24h": 272,
          "samples30d": 1122,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 20,
              "ok": 20
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.apollo.io",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:39:48.55084474Z"
        },
        "versions": [
          {
            "registry": "mcp-registry",
            "name": "io.github.apolloio/apollo-mcp",
            "version": "0.1.1",
            "seenAt": "2026-10-04T23:42:40.113054682Z"
          }
        ],
        "securityTxt": {
          "url": "https://apollo.io/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:56.204269797Z"
        },
        "llmsTxt": {
          "url": "https://docs.apollo.io/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:15.184779947Z"
        },
        "domain": {
          "domain": "apollo.io",
          "checkedAt": "2026-10-04T13:05:44.956777073Z"
        },
        "pages": [
          {
            "url": "https://docs.apollo.io/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:09.884765168Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "1a556e38f6a1"
          },
          {
            "url": "https://docs.apollo.io/openapi/apollo-rest-api.json",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:12.279933201Z",
            "changedAt": "0001-01-01T00:00:00Z"
          },
          {
            "url": "https://www.apollo.io/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:49:10.562380134Z",
            "changedAt": "2026-10-03T15:37:06.395067588Z",
            "fingerprint": "a9b95eeaa6ac"
          },
          {
            "url": "https://www.apollo.io/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:49:12.786288878Z",
            "changedAt": "2026-10-03T15:37:08.597416668Z",
            "fingerprint": "0c91b7af950c"
          },
          {
            "url": "https://www.apollo.io/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:49:14.73460074Z",
            "changedAt": "2026-10-03T15:37:10.47446383Z",
            "fingerprint": "dbbe719a7b6c"
          }
        ],
        "updatedAt": "2026-10-05T01:43:33.18933545Z"
      }
    },
    "b": {
      "slug": "hunter",
      "name": "Hunter API + MCP",
      "vendor": "Hunter",
      "vendorUrl": "https://hunter.io",
      "kind": "http-api",
      "category": "lead-data",
      "summary": "Email finder, email verifier, domain search, company discovery and person and company enrichment over a REST API, plus a hosted MCP server that also drives Hunter's leads, lists and cold-email sequences.",
      "url": "https://www.anchorterminal.com/tools/hunter",
      "markdownUrl": "https://www.anchorterminal.com/tools/hunter.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/hunter.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/hunter.json",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.hunter.io/v2",
      "packages": [],
      "auth": "mixed",
      "authNotes": "REST takes the key in the `X-API-Key` header (the `?api_key=` query form still works but puts the key in logs). Hosted MCP at mcp.hunter.io uses OAuth for Claude, ChatGPT and Gemini, or the same `X-API-Key` header for other clients. A `test-api-key` returns dummy responses on Domain Search, Email Finder and Email Verifier.",
      "pricing": "freemium",
      "pricingNotes": "Free plan with 50 credits a month and API access. Starter $49 a month ($34 billed yearly, 2,000 credits), Growth $149 ($104 yearly, 10,000 credits), Scale $299 ($209 yearly, 25,000 credits), Enterprise custom. One credit per email found by Email Finder or Domain Search (Bulk Domain Search is 1 credit per 10 emails), 0.5 per verification, nothing when no result comes back, and repeat lookups count once per billing period. Discover (company search) and Email Count are free. An API-only Data Platform sells search and verification credits in bulk, valid 12 months (https://hunter.io/pricing).",
      "priceSummary": "$49 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 mention in the API docs, MCP docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 107,
      "popularity": {
        "githubStars": 9,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://hunter.io/api-documentation/v2",
      "llmsTxt": "https://hunter.io/llms.txt",
      "openapi": "https://hunter.io/openapi.json",
      "capabilities": [
        "email.finder",
        "email.verification",
        "lead.search",
        "lead.enrichment",
        "data.company",
        "data.person"
      ],
      "tags": [
        "lead-search",
        "enrichment",
        "email-verification",
        "hosted",
        "freemium",
        "no-card",
        "mcp",
        "llms-txt",
        "openapi",
        "webhooks",
        "closed-source"
      ],
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 56.8,
        "grade": "C",
        "agentReady": false,
        "rank": 299,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 6,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 54,
          "maintenance": 63,
          "payments": 40,
          "reliability": 50,
          "schema": 90,
          "security": 33,
          "transparency": 81
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Returns 451 for people who asked not to be processed. Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode.",
        "strengths": [
          "Returns 451 for people who asked not to be processed",
          "Privacy policy names its sources, cites a legitimate interest assessment and DPIA, and hosts in Belgium",
          "Free plan with API and MCP access, no card",
          "Charges only when an email is found or a verification completes, and repeats in a billing period are free",
          "OpenAPI JSON, llms.txt, llms-full.txt and a test key with dummy responses"
        ],
        "weaknesses": [
          "Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode",
          "API key accepted in the `api_key` query string",
          "Rate limits answer 403 and quota exhaustion answers 429",
          "No security page, security.txt, bug bounty or certification found",
          "Status page renders client-side and its history couldn't be read"
        ],
        "agentNotes": [
          "Treat 451 as final. The person opted out and retrying won't help",
          "Back off on 403 with a rate-limit message. 429 means the plan's credits are gone",
          "Send the key in `X-API-Key`, never as `?api_key=`",
          "Use `test-api-key` to check request shapes without spending credits",
          "Use the hosted MCP at mcp.hunter.io/mcp, not the deprecated local npm package"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 56.8
          }
        ],
        "editorialScores": {
          "ergonomics": 54,
          "maintenance": 63,
          "payments": 40,
          "reliability": 50,
          "schema": 90,
          "security": 33,
          "transparency": 71
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl \"https://api.hunter.io/v2/domain-search?domain=stripe.com\u0026limit=5\" -H \"X-API-Key: $HUNTER_API_KEY\"",
        "claudeCode": "claude mcp add --transport http hunter https://mcp.hunter.io/mcp"
      },
      "letme": {
        "capability": "https://letme.dev/email.finder",
        "tool": "https://letme.dev/hunter"
      },
      "area": "web-data",
      "unitPrices": [
        {
          "item": "Starter plan",
          "unit": "month",
          "usd": 49,
          "note": "2,000 credits. $34 a month billed yearly"
        },
        {
          "item": "Growth plan",
          "unit": "month",
          "usd": 149,
          "note": "10,000 credits. $104 a month billed yearly"
        },
        {
          "item": "Scale plan",
          "unit": "month",
          "usd": 299,
          "note": "25,000 credits. $209 a month billed yearly"
        },
        {
          "item": "Email found or verified",
          "unit": "credit",
          "usd": 0.0245,
          "note": "Starter monthly, $49 for 2,000 credits. One email found is 1 credit, one verification 0.5"
        }
      ],
      "provenance": {
        "legalEntity": "Hunter Web Services, Inc.",
        "domain": "hunter.io",
        "domainRegistered": "2012-08-24",
        "endpointOnVendorDomain": true,
        "terms": "https://hunter.io/terms-of-service",
        "privacy": "https://hunter.io/privacy-policy",
        "statusPage": "https://status.hunter.io",
        "changelog": "https://hunter.io/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "hunter.io served the pricing page in euros from our location. USD figures match the same numbers and third-party reports"
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/hunter.json",
      "live": {
        "slug": "hunter",
        "probe": {
          "target": "https://api.hunter.io/v2",
          "method": "get",
          "lastAt": "2026-10-05T01:43:39.093978004Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 99,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 92,
          "p95ms24h": 135,
          "samples24h": 272,
          "samples30d": 1122,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 20,
              "ok": 20
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.hunter.io",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:40:08.189558355Z"
        },
        "securityTxt": {
          "url": "https://hunter.io/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:47.758081123Z"
        },
        "llmsTxt": {
          "url": "https://hunter.io/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:54.111075632Z"
        },
        "domain": {
          "domain": "hunter.io",
          "checkedAt": "2026-10-04T13:05:34.738925095Z"
        },
        "pages": [
          {
            "url": "https://hunter.io/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:04.379576217Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "8a3a4a3fcf33"
          },
          {
            "url": "https://hunter.io/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:06.525611085Z",
            "changedAt": "2026-10-02T15:21:27.141507551Z",
            "fingerprint": "3d95f7cd7fad"
          },
          {
            "url": "https://hunter.io/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:08.468923808Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "ef0f54eb03ef"
          },
          {
            "url": "https://hunter.io/terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:10.456132191Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "400b04730d0b"
          }
        ],
        "updatedAt": "2026-10-05T01:43:39.093978004Z"
      }
    },
    "summary": "Apollo API + MCP has a score of 63.6 (B) against Hunter API + MCP's 56.8 (C). Both do lead search. The largest gap is security \u0026 auth, 27 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/apollo-vs-hunter",
    "json": "https://www.anchorterminal.com/compare/apollo-vs-hunter.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/apollo-vs-hunter.md",
    "slim": "https://www.anchorterminal.com/compare/apollo-vs-hunter.min.md"
  },
  "markdown": "Apollo API + MCP has a score of 63.6 (B) against Hunter API + MCP's 56.8 (C). Both do lead search. The largest gap is security \u0026 auth, 27 points.\n\n- Apollo API + MCP: grade B, 63.6/100, rank #199 of 452. Markdown https://www.anchorterminal.com/tools/apollo.md · JSON https://www.anchorterminal.com/api/v1/tools/apollo.json\n- Hunter API + MCP: grade C, 56.8/100, rank #299 of 452. Markdown https://www.anchorterminal.com/tools/hunter.md · JSON https://www.anchorterminal.com/api/v1/tools/hunter.json\n\n## Which one, for what\n\nPick Apollo API + MCP for reliability (+15), agent ergonomics (+11), security \u0026 auth (+27).\n\nPick Hunter API + MCP for payments \u0026 pricing (+10), maintenance \u0026 community (+5), transparency \u0026 trust (+6).\n\n## Score by category\n\n| Category | Weight | Apollo API + MCP | Hunter API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 50 | Apollo API + MCP +15 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 87 | 90 | Hunter API + MCP +3 |\n| Agent ergonomics | 13% (16.2 this run) | 65 | 54 | Apollo API + MCP +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 60 | 33 | Apollo API + MCP +27 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 40 | Hunter API + MCP +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 58 | 63 | Hunter API + MCP +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 75 | 81 | Hunter API + MCP +6 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **63.6 · B** | **56.8 · C** | |\n\n## Facts side by side\n\n| Fact | Apollo API + MCP | Hunter API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Apollo.io | Hunter |\n| Hosted endpoint | `https://api.apollo.io/api/v1` | `https://api.hunter.io/v2` |\n| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | none | none |\n| Tools exposed | none | 107 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | `io.github.apolloio/apollo-mcp` | not listed |\n| Last release | none | none |\n| Popularity | 25 stars | 9 stars |\n| Agent reviews | 2.5/5 (2) | 3/5 (2) |\n\n## Verdicts\n\n**Apollo API + MCP.** People search costs 0 credits, up to 100 records a page and 50,000 a query. Headless MCP use needs a master key that reaches every endpoint.\n\n**Hunter API + MCP.** Returns 451 for people who asked not to be processed. Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode.\n\n## Before you call either\n\n### Apollo API + MCP\n\n1. Search people first at 0 credits, then enrich only the people you'll contact\n2. Branch on `error_details.code` and wait `retry_after_seconds` from the suggestions after a 429\n3. Limits are per team, so read the `x-minute-usage` and remaining headers before a bulk run\n4. Use a scoped key with only the endpoints the job needs. A master key reaches everything\n5. Get a person's approval before adding contacts to a sequence, since enrolment can start sending\n\n### Hunter API + MCP\n\n1. Treat 451 as final. The person opted out and retrying won't help\n2. Back off on 403 with a rate-limit message. 429 means the plan's credits are gone\n3. Send the key in `X-API-Key`, never as `?api_key=`\n4. Use `test-api-key` to check request shapes without spending credits\n5. Use the hosted MCP at mcp.hunter.io/mcp, not the deprecated local npm package\n\n## Other comparisons with Apollo API + MCP or Hunter API + MCP\n\n- [Apollo API + MCP vs Coresignal API + MCP](https://www.anchorterminal.com/compare/apollo-vs-coresignal.md)\n- [Apollo API + MCP vs Crustdata API + MCP](https://www.anchorterminal.com/compare/apollo-vs-crustdata.md)\n- [Apollo API + MCP vs Enrich Layer API + MCP](https://www.anchorterminal.com/compare/apollo-vs-enrich-layer.md)\n- [Apollo API + MCP vs FullEnrich API + MCP](https://www.anchorterminal.com/compare/apollo-vs-fullenrich.md)\n- [Apollo API + MCP vs LeadMagic API + MCP](https://www.anchorterminal.com/compare/apollo-vs-leadmagic.md)\n- [Apollo API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/apollo-vs-lusha.md)\n- [Apollo API + MCP vs Prospeo API + MCP](https://www.anchorterminal.com/compare/apollo-vs-prospeo.md)\n- [Coresignal API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-hunter.md)\n- [Crustdata API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/crustdata-vs-hunter.md)\n- [Enrich Layer API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/enrich-layer-vs-hunter.md)\n- [FullEnrich API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/fullenrich-vs-hunter.md)\n- [Apollo API + MCP vs Dropcontact API + MCP](https://www.anchorterminal.com/compare/apollo-vs-dropcontact.md)\n- [Dropcontact API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/dropcontact-vs-hunter.md)\n- [Hunter API + MCP vs LeadMagic API + MCP](https://www.anchorterminal.com/compare/hunter-vs-leadmagic.md)\n- [Hunter API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/hunter-vs-lusha.md)\n- [Hunter API + MCP vs Prospeo API + MCP](https://www.anchorterminal.com/compare/hunter-vs-prospeo.md)\n",
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    "description": "Apollo API + MCP has a score of 63.6 (B) against Hunter API + MCP's 56.8 (C). Both do lead search. The largest gap is security \u0026 auth, 27 points. Category scores, facts, verdicts and agent notes side by side.",
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    "title": "Apollo API + MCP vs Hunter API + MCP for AI agents, B 63.6 vs C 56.8",
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