{
  "data": {
    "a": {
      "slug": "honeyhive",
      "name": "HoneyHive",
      "vendor": "HoneyHive",
      "vendorUrl": "https://www.honeyhive.ai",
      "kind": "http-api",
      "category": "agent-observability",
      "summary": "Hosted tracing, evaluation, datasets and prompt management for agents, built on OpenTelemetry.",
      "url": "https://www.anchorterminal.com/tools/honeyhive",
      "markdownUrl": "https://www.anchorterminal.com/tools/honeyhive.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/honeyhive.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/honeyhive.json",
      "repo": "https://github.com/honeyhiveai/python-sdk",
      "license": "MIT (SDK, CLI and OpenAPI specs only, platform closed source)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.dp1.us.honeyhive.ai",
      "packages": [
        {
          "registry": "pypi",
          "name": "honeyhive"
        },
        {
          "registry": "npm",
          "name": "honeyhive"
        }
      ],
      "auth": "api-key",
      "authNotes": "Bearer API keys in four types. Project keys (`hh_`) and read-only project keys (`hh_ro_`) for the data plane, ingestion keys (`hh_ingst_`) that can only send traces and events to one project, and fine-grained keys (`hh_fgcp_`) for the control plane, scoped to an organisation or workspace with chosen permissions and a required expiry of at most 365 days. Data plane at api.dp1.us.honeyhive.ai, control plane at api.cp.us.honeyhive.ai. Since 24 September 2026 invalid keys and permission failures return 404. Self-hosted deployments can use an OIDC identity provider.",
      "pricing": "freemium",
      "pricingNotes": "Free Developer plan with 10,000 events a month, up to 5 users and 30-day retention. An event is one trace span or one metric label. Enterprise is custom with unlimited users and workspaces, custom retention and self-hosting. No self-serve paid tier is published (https://www.honeyhive.ai/pricing).",
      "priceSummary": "Freemium",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 support in docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 60,
        "pypiWeekly": 2105,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.honeyhive.ai",
      "llmsTxt": "https://docs.honeyhive.ai/llms.txt",
      "openapi": "https://raw.githubusercontent.com/honeyhiveai/honeyhive-openapi/main/data_plane_openapi.yaml",
      "capabilities": [
        "obs.traces",
        "obs.evals",
        "obs.prompts",
        "obs.datasets"
      ],
      "tags": [
        "hosted",
        "freemium",
        "llms-txt",
        "openapi",
        "python",
        "typescript",
        "closed-source",
        "enterprise",
        "self-hosted"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 55.9,
        "grade": "C",
        "agentReady": false,
        "rank": 310,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 7,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 63,
          "maintenance": 77,
          "payments": 20,
          "reliability": 44,
          "schema": 86,
          "security": 61,
          "transparency": 68
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": -3,
        "negativeNotes": [
          "2026-09-22 to 2026-09-24. The API stopped returning 401 for invalid, revoked or expired keys and 403 for permission failures, and now answers 404 for all of them, on every client version. It was announced in the CLI 1.7.0 changelog on 22 September and the product changelog on 24 September, with no deprecation window. -3 (https://github.com/honeyhiveai/honeyhive-cli/blob/main/CHANGELOG.md)"
        ],
        "verdict": "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.",
        "strengths": [
          "Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys",
          "Public OpenAPI 3.1 specs for data plane and control plane under MIT, with an oasdiff-generated changelog",
          "CLI generated one to one from the specs, plus agent skills and Markdown docs",
          "Python SDK 1.6.1 and CLI 1.7.0 released in the last two weeks of September 2026",
          "Free plan with 30-day retention, 1,000 requests a minute and no card"
        ],
        "weaknesses": [
          "Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history",
          "No MCP server for trace data, only a docs search MCP",
          "No self-serve paid tier, only Free and a sales-led Enterprise plan",
          "Since 24 September 2026 invalid keys and permission failures return 404, with no deprecation window",
          "Event search returns up to 1,000 rows by default with no field selection"
        ],
        "agentNotes": [
          "Give the agent a read-only `hh_ro_` key for analysis and a separate `hh_ingst_` key for sending traces",
          "Treat a 404 as possibly a bad, revoked or expired key before assuming the record is missing",
          "Set `limit` on `POST /v1/events/search`. The default is 1,000 rows",
          "Use the CLI (`brew tap honeyhiveai/tap \u0026\u0026 brew install honeyhive`) from a coding agent. It maps one command to each API endpoint",
          "Control plane commands need an `hh_fgcp_` key and the control plane host api.cp.us.honeyhive.ai"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 55.9
          }
        ],
        "editorialScores": {
          "ergonomics": 63,
          "maintenance": 77,
          "payments": 20,
          "reliability": 44,
          "schema": 86,
          "security": 61,
          "transparency": 54
        },
        "provenanceScore": 82
      },
      "connect": {
        "http": "curl https://api.dp1.us.honeyhive.ai/v1/datasets -H \"Authorization: Bearer $HH_API_KEY\""
      },
      "letme": {
        "capability": "https://letme.dev/obs.traces",
        "tool": "https://letme.dev/honeyhive"
      },
      "area": "developer",
      "provenance": {
        "legalEntity": "HoneyHive Inc.",
        "domain": "honeyhive.ai",
        "domainRegistered": "2022-07-28",
        "endpointOnVendorDomain": true,
        "terms": "https://www.honeyhive.ai/legal/terms-of-service",
        "privacy": "https://www.honeyhive.ai/legal/privacy-policy",
        "statusPage": "https://status.honeyhive.ai",
        "changelog": "https://docs.honeyhive.ai/v2/changelog/product",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 82
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/honeyhive.json",
      "live": {
        "slug": "honeyhive",
        "probe": {
          "target": "https://api.dp1.us.honeyhive.ai",
          "method": "get",
          "lastAt": "2026-10-05T03:17:27.094141982Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 425,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 448,
          "p95ms24h": 484,
          "samples24h": 273,
          "samples30d": 1140,
          "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": 38,
              "ok": 38
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.honeyhive.ai",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:40:07.679425636Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "honeyhiveai/python-sdk",
            "version": "v1.6.1",
            "released": "2026-09-29",
            "seenAt": "2026-10-04T16:29:47.051274003Z"
          },
          {
            "registry": "npm",
            "name": "honeyhive",
            "version": "1.0.45",
            "seenAt": "2026-10-04T16:29:46.131902271Z"
          },
          {
            "registry": "pypi",
            "name": "honeyhive",
            "version": "1.6.1",
            "released": "2026-09-29",
            "seenAt": "2026-10-04T16:29:45.944378114Z"
          }
        ],
        "githubStars": 3,
        "npmWeekly": 115,
        "pypiWeekly": 2157,
        "securityTxt": {
          "url": "https://honeyhive.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:43.408713013Z"
        },
        "llmsTxt": {
          "url": "https://docs.honeyhive.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:52.608156452Z"
        },
        "domain": {
          "domain": "honeyhive.ai",
          "registered": "2022-07-28",
          "source": "https://rdap.identitydigital.services/rdap/domain/honeyhive.ai",
          "checkedAt": "2026-10-04T13:04:07.481546397Z"
        },
        "pages": [
          {
            "url": "https://docs.honeyhive.ai/v2/changelog/product",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:41.843601235Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "d1e93acad1c0"
          },
          {
            "url": "https://www.honeyhive.ai/pricing",
            "kind": "pricing",
            "status": 304,
            "checkedAt": "2026-10-04T15:50:44.12758554Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "5861207b5e2f"
          },
          {
            "url": "https://www.honeyhive.ai/legal/privacy-policy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-04T15:50:40.106324522Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "728d616153ce"
          },
          {
            "url": "https://www.honeyhive.ai/legal/terms-of-service",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-04T15:50:42.132533735Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "68e3e45c1001"
          }
        ],
        "updatedAt": "2026-10-05T03:17:27.094141982Z"
      }
    },
    "b": {
      "slug": "respan",
      "name": "Respan API + MCP",
      "vendor": "Respan (formerly Keywords AI)",
      "vendorUrl": "https://www.respan.ai",
      "kind": "http-api",
      "category": "agent-observability",
      "summary": "Hosted tracing, evals, prompt management and an LLM gateway to 250+ models, from the company formerly called Keywords AI.",
      "url": "https://www.anchorterminal.com/tools/respan",
      "markdownUrl": "https://www.anchorterminal.com/tools/respan.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/respan.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/respan.json",
      "repo": "https://github.com/respanai/respan",
      "license": "Apache-2.0 (SDKs only, platform closed source)",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.respan.ai/api",
      "packages": [
        {
          "registry": "pypi",
          "name": "respan-tracing"
        },
        {
          "registry": "npm",
          "name": "@respan/tracing"
        }
      ],
      "auth": "mixed",
      "authNotes": "API key as a Bearer token for the REST API and MCP. Keys carry Read, Write, Gateway and Admin scopes (new keys default to Read, Write and Gateway), can have an expiry and spend caps, and are bound to one project. The hosted MCP server also supports OAuth sign-in, or a JWT copied from mcp.respan.ai/login. A Respan-Enabled-Tools header limits which MCP tools a client sees.",
      "pricing": "freemium",
      "pricingNotes": "Free plan with 100,000 logs, 1,000 scores, 7-day retention, unlimited seats and 412 requests a minute on the gateway. Team $199 a month billed yearly with 5 seats ($15 per extra member), 10,000 scores, 30-day retention and 8,400 gateway requests a minute. Extra logs $8 per 100,000, extra scores $1 per 1,000, HIPAA add-on $249 a month. Enterprise is custom (https://www.respan.ai/pricing).",
      "priceSummary": "$199 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 support in docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 67,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 270,
        "pypiWeekly": 12515,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://www.respan.ai/docs",
      "llmsTxt": "https://www.respan.ai/docs/llms.txt",
      "openapi": "https://respan.ai/docs/openapi.json",
      "capabilities": [
        "obs.traces",
        "obs.evals",
        "obs.prompts",
        "obs.gateway",
        "obs.datasets"
      ],
      "tags": [
        "hosted",
        "freemium",
        "mcp",
        "llms-txt",
        "openapi",
        "python",
        "typescript",
        "closed-source",
        "webhooks",
        "enterprise"
      ],
      "lastRelease": "2026-09-30",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 65.9,
        "grade": "B",
        "agentReady": false,
        "rank": 165,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 4,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 66,
          "maintenance": 85,
          "payments": 30,
          "reliability": 73,
          "schema": 89,
          "security": 66,
          "transparency": 61
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": -2,
        "negativeNotes": [
          "2026-07-30 and 2026-08-28. The changelog lists \"Closed an unauthorized live-event stream vulnerability\" and \"Patched some security vulnerabilities\" with no advisory, scope or statement on whether customer data was exposed. Fixed, but disclosed in one line each. -2 (https://www.respan.ai/docs/changelog/changelog)"
        ],
        "verdict": "API keys with Read, Write, Gateway and Admin scopes, expiry and spend caps, bound to one project. 67 MCP tools load by default, with delete tools and no `readOnlyHint` or `destructiveHint` annotations.",
        "strengths": [
          "API keys with Read, Write, Gateway and Admin scopes, expiry and spend caps, bound to one project",
          "OpenAPI 3.1 spec, llms.txt and Markdown for every docs page",
          "`Respan-Enabled-Tools` header trims the MCP server's tool list server-side",
          "`list_logs` returns summary fields by default with pages of up to 50 rows",
          "Published overage prices ($8 per 100,000 logs) and per-plan gateway and ingestion limits"
        ],
        "weaknesses": [
          "67 MCP tools load by default, with delete tools and no `readOnlyHint` or `destructiveHint` annotations",
          "A 13-hour 47-minute gateway incident on 26 September 2026, while the status bars show 100 per cent",
          "Security fixes on 30 July and 28 August 2026 disclosed only as one-line changelog entries",
          "Free plan keeps logs for 7 days",
          "No deprecation policy, and the legacy `/api/generate` endpoint was retired on 11 September 2026"
        ],
        "agentNotes": [
          "Create a key with only the Read scope for agents that analyse logs. New keys get Read, Write and Gateway by default",
          "Set `Respan-Enabled-Tools` to a short list such as list_traces,get_trace_tree,list_logs. All 67 tools load otherwise",
          "Pass `filters` to `list_logs` rather than paging through everything. The default window is the last hour",
          "Call `list_organizations` first when results look empty over OAuth. Every tool acts on the active organisation only",
          "Append `.md` to any docs URL for clean Markdown"
        ],
        "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": 65.9
          }
        ],
        "editorialScores": {
          "ergonomics": 66,
          "maintenance": 85,
          "payments": 30,
          "reliability": 73,
          "schema": 89,
          "security": 66,
          "transparency": 47
        },
        "provenanceScore": 75
      },
      "connect": {
        "http": "curl -X POST https://api.respan.ai/api/traces/list/ -H \"Authorization: Bearer $RESPAN_API_KEY\" \\\n  -H \"content-type: application/json\" -d '{}'",
        "claudeCode": "claude mcp add --transport http --header \"Authorization: Bearer $RESPAN_API_KEY\" respan https://mcp.respan.ai/mcp",
        "config": {
          "mcpServers": {
            "respan": {
              "headers": {
                "Authorization": "Bearer ${RESPAN_API_KEY}"
              },
              "type": "http",
              "url": "https://mcp.respan.ai/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/obs.traces",
        "tool": "https://letme.dev/respan"
      },
      "area": "developer",
      "unitPrices": [
        {
          "item": "Team plan",
          "unit": "month",
          "usd": 199,
          "note": "billed yearly, 5 seats, 10,000 scores, 30-day retention"
        },
        {
          "item": "Extra Team member",
          "unit": "seat-month",
          "usd": 15
        },
        {
          "item": "HIPAA add-on",
          "unit": "month",
          "usd": 249
        }
      ],
      "provenance": {
        "legalEntity": "Keywords AI Inc. (d/b/a Respan)",
        "domain": "respan.ai",
        "domainRegistered": "2026-01-13",
        "domainNote": "respan.ai shows a 2026-01-13 registration, matching the rename from Keywords AI (keywordsai.co).",
        "endpointOnVendorDomain": true,
        "terms": "https://www.respan.ai/legal/terms-of-use",
        "privacy": "https://www.respan.ai/legal/privacy-policy",
        "statusPage": "https://status.respan.ai",
        "changelog": "https://www.respan.ai/docs/changelog/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 75
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/respan.json",
      "live": {
        "slug": "respan",
        "probe": {
          "target": "https://api.respan.ai/api",
          "method": "get",
          "lastAt": "2026-10-05T03:17:32.039433578Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 259,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 263,
          "p95ms24h": 352,
          "samples24h": 273,
          "samples30d": 1140,
          "days": [
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              "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": 38,
              "ok": 38
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.respan.ai",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:40:26.483050488Z"
        },
        "versions": [
          {
            "registry": "npm",
            "name": "@respan/tracing",
            "version": "1.6.1",
            "seenAt": "2026-10-04T16:38:26.934877475Z"
          },
          {
            "registry": "pypi",
            "name": "respan-tracing",
            "version": "2.20.1",
            "released": "2026-09-30",
            "seenAt": "2026-10-04T16:38:26.745912023Z"
          }
        ],
        "githubStars": 48,
        "npmWeekly": 261,
        "pypiWeekly": 14951,
        "securityTxt": {
          "url": "https://respan.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:47.892233894Z"
        },
        "llmsTxt": {
          "url": "https://www.respan.ai/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:11.693900288Z"
        },
        "domain": {
          "domain": "respan.ai",
          "registered": "2026-01-13",
          "source": "https://rdap.identitydigital.services/rdap/domain/respan.ai",
          "checkedAt": "2026-10-04T13:04:19.8662822Z"
        },
        "pages": [
          {
            "url": "https://www.respan.ai/docs/changelog/changelog",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:51:52.1620977Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "8b11c1ae998c"
          },
          {
            "url": "https://www.respan.ai/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:51:58.388862278Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "4df3d42fb60f"
          },
          {
            "url": "https://www.respan.ai/legal/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:51:55.022515419Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "560ff946cfa5"
          },
          {
            "url": "https://www.respan.ai/legal/terms-of-use",
            "kind": "terms",
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  "markdown": "Respan API + MCP has a score of 65.9 (B) against HoneyHive's 55.9 (C). Both do obs traces. The largest gap is reliability, 29 points.\n\n- HoneyHive: grade C, 55.9/100, rank #310 of 452. Markdown https://www.anchorterminal.com/tools/honeyhive.md · JSON https://www.anchorterminal.com/api/v1/tools/honeyhive.json\n- Respan API + MCP: grade B, 65.9/100, rank #165 of 452. Markdown https://www.anchorterminal.com/tools/respan.md · JSON https://www.anchorterminal.com/api/v1/tools/respan.json\n\n## Which one, for what\n\nPick HoneyHive for transparency \u0026 trust (+7).\n\nPick Respan API + MCP for reliability (+29), security \u0026 auth (+5), payments \u0026 pricing (+10), maintenance \u0026 community (+8).\n\n## Score by category\n\n| Category | Weight | HoneyHive | Respan API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 44 | 73 | Respan API + MCP +29 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 86 | 89 | Respan API + MCP +3 |\n| Agent ergonomics | 13% (16.2 this run) | 63 | 66 | Respan API + MCP +3 |\n| Security \u0026 auth | 14% (17.5 this run) | 61 | 66 | Respan API + MCP +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 30 | Respan API + MCP +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 77 | 85 | Respan API + MCP +8 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 68 | 61 | HoneyHive +7 |\n| Negative events | ≤15 | -3 | -2 | |\n| **Total** | | **55.9 · C** | **65.9 · B** | |\n\n## Facts side by side\n\n| Fact | HoneyHive | Respan API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | HoneyHive | Respan (formerly Keywords AI) |\n| Hosted endpoint | `https://api.dp1.us.honeyhive.ai` | `https://api.respan.ai/api` |\n| Transports | HTTP | HTTP, Streamable HTTP |\n| Auth | API key | OAuth or key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | MIT (SDK, CLI and OpenAPI specs only, platform closed source) | Apache-2.0 (SDKs only, platform closed source) |\n| Tools exposed | none | 67 |\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 | yes | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-29 | 2026-09-30 |\n| Popularity | 60 npm/wk, 2.1k PyPI/wk | 270 npm/wk, 13k PyPI/wk |\n| Agent reviews | 2.5/5 (2) | 2.5/5 (2) |\n\n## Verdicts\n\n**HoneyHive.** Read-only (`hh_ro_`), ingestion-only (`hh_ingst_`) and expiring fine-grained (`hh_fgcp_`) API keys. Status page showed 80.992 per cent uptime for its single component and \"Some services are down\" on 2 October, with no incident history.\n\n**Respan API + MCP.** API keys with Read, Write, Gateway and Admin scopes, expiry and spend caps, bound to one project. 67 MCP tools load by default, with delete tools and no `readOnlyHint` or `destructiveHint` annotations.\n\n## Before you call either\n\n### HoneyHive\n\n1. Give the agent a read-only `hh_ro_` key for analysis and a separate `hh_ingst_` key for sending traces\n2. Treat a 404 as possibly a bad, revoked or expired key before assuming the record is missing\n3. Set `limit` on `POST /v1/events/search`. The default is 1,000 rows\n4. Use the CLI (`brew tap honeyhiveai/tap \u0026\u0026 brew install honeyhive`) from a coding agent. It maps one command to each API endpoint\n5. Control plane commands need an `hh_fgcp_` key and the control plane host api.cp.us.honeyhive.ai\n\n### Respan API + MCP\n\n1. Create a key with only the Read scope for agents that analyse logs. New keys get Read, Write and Gateway by default\n2. Set `Respan-Enabled-Tools` to a short list such as list_traces,get_trace_tree,list_logs. All 67 tools load otherwise\n3. Pass `filters` to `list_logs` rather than paging through everything. The default window is the last hour\n4. Call `list_organizations` first when results look empty over OAuth. Every tool acts on the active organisation only\n5. Append `.md` to any docs URL for clean Markdown\n\n## Other comparisons with HoneyHive or Respan API + MCP\n\n- [Arize Phoenix vs HoneyHive](https://www.anchorterminal.com/compare/arize-phoenix-vs-honeyhive.md)\n- [Arize Phoenix vs Respan API + MCP](https://www.anchorterminal.com/compare/arize-phoenix-vs-respan.md)\n- [Baserun vs HoneyHive](https://www.anchorterminal.com/compare/baserun-vs-honeyhive.md)\n- [Baserun vs Respan API + MCP](https://www.anchorterminal.com/compare/baserun-vs-respan.md)\n- [Braintrust API + MCP vs HoneyHive](https://www.anchorterminal.com/compare/braintrust-vs-honeyhive.md)\n- [Braintrust API + MCP vs Respan API + MCP](https://www.anchorterminal.com/compare/braintrust-vs-respan.md)\n- [Galileo API + MCP vs HoneyHive](https://www.anchorterminal.com/compare/galileo-vs-honeyhive.md)\n- [Galileo API + MCP vs Respan API + MCP](https://www.anchorterminal.com/compare/galileo-vs-respan.md)\n- [Helicone AI Gateway + MCP vs HoneyHive](https://www.anchorterminal.com/compare/helicone-vs-honeyhive.md)\n- [Helicone AI Gateway + MCP vs Respan API + MCP](https://www.anchorterminal.com/compare/helicone-vs-respan.md)\n- [HoneyHive vs Laminar API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-laminar.md)\n- [HoneyHive vs Langfuse API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-langfuse.md)\n- [HoneyHive vs LangSmith API + MCP](https://www.anchorterminal.com/compare/honeyhive-vs-langsmith.md)\n- [Laminar API + MCP vs Respan API + MCP](https://www.anchorterminal.com/compare/laminar-vs-respan.md)\n- [Langfuse API + MCP vs Respan API + MCP](https://www.anchorterminal.com/compare/langfuse-vs-respan.md)\n- [LangSmith API + MCP vs Respan API + MCP](https://www.anchorterminal.com/compare/langsmith-vs-respan.md)\n",
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    "description": "Respan API + MCP has a score of 65.9 (B) against HoneyHive's 55.9 (C). Both do obs traces. The largest gap is reliability, 29 points. Category scores, facts, verdicts and agent notes side by side.",
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