{
  "data": {
    "a": {
      "slug": "elevenlabs-agents",
      "name": "ElevenLabs Agents API + MCP",
      "vendor": "ElevenLabs",
      "vendorUrl": "https://elevenlabs.io",
      "kind": "http-api",
      "category": "voice-agents",
      "summary": "ElevenAgents (formerly Conversational AI) runs hosted voice agents as a pipeline of a fine-tuned ElevenLabs ASR model, an LLM of your choice or your own, ElevenLabs TTS and a proprietary turn-taking model.",
      "url": "https://www.anchorterminal.com/tools/elevenlabs-agents",
      "markdownUrl": "https://www.anchorterminal.com/tools/elevenlabs-agents.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/elevenlabs-agents.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/elevenlabs-agents.json",
      "repo": "https://github.com/elevenlabs/packages",
      "license": "MIT (SDKs)",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.elevenlabs.io/v1/convai",
      "packages": [
        {
          "registry": "npm",
          "name": "@elevenlabs/client"
        },
        {
          "registry": "npm",
          "name": "@elevenlabs/react"
        },
        {
          "registry": "pypi",
          "name": "elevenlabs"
        }
      ],
      "auth": "mixed",
      "authNotes": "`xi-api-key` header for the management API. Public agents can be joined from a browser with just the agent ID. Private agents need a signed URL or conversation token minted server-side. The hosted MCP at `https://api.elevenlabs.io/v1/mcp` signs in with OAuth.",
      "pricing": "freemium",
      "pricingNotes": "Billed per call minute, separate from the credit pool. Free includes 15 minutes, Starter $6 75, Creator $22 275, Pro $99 1,238, Scale $299 3,738 and Business $990 12,375. Extra minutes cost $0.08, burst minutes above the concurrency cap $0.16, and text messages $0.003 each. LLM usage is billed on top at the model's rate, and your telephony provider bills you directly (https://elevenlabs.io/pricing/agents).",
      "priceSummary": "$22 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 or machine payment in the docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 114,
        "npmWeekly": 1231322,
        "pypiWeekly": 2223099,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://elevenlabs.io/docs/eleven-agents/overview",
      "llmsTxt": "https://elevenlabs.io/docs/llms.txt",
      "openapi": "https://api.elevenlabs.io/openapi.json",
      "registryName": "io.elevenlabs/mcp",
      "capabilities": [
        "voice.agent",
        "voice.pipeline",
        "voice.tools",
        "voice.telephony"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "closed-source",
        "python",
        "typescript",
        "openapi",
        "llms-txt",
        "mcp",
        "pipeline",
        "webhooks",
        "enterprise"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 71.5,
        "grade": "BB",
        "agentReady": true,
        "rank": 83,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 1,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 77,
          "maintenance": 85,
          "payments": 35,
          "reliability": 60,
          "schema": 92,
          "security": 76,
          "transparency": 79
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "API keys scoped to endpoint groups, with per-key credit limits and service accounts. $0.08 a minute excludes LLM tokens and carrier minutes.",
        "strengths": [
          "API keys scoped to endpoint groups, with per-key credit limits and service accounts",
          "Hosted MCP server that signs in with OAuth, with EU, India and Singapore endpoints",
          "Public OpenAPI, llms.txt and an errors page with codes, fixes and request IDs",
          "Per-agent retention in days and per-agent zero retention mode",
          "Weekly changelog entries and SDKs for Python, JavaScript and mobile"
        ],
        "weaknesses": [
          "$0.08 a minute excludes LLM tokens and carrier minutes",
          "At least six incidents since July where agent calls failed or didn't start",
          "Conversation data kept 2 years by default",
          "Audit logs and HIPAA BAAs only on Enterprise",
          "No SLA on self-serve plans"
        ],
        "agentNotes": [
          "Create a key scoped to the agents endpoints with a credit limit before handing it to an agent",
          "Back off exponentially on `rate_limit_exceeded`, and wait for calls to finish on `concurrent_limit_exceeded`",
          "Use signed URLs or conversation tokens for private agents instead of exposing the API key",
          "Set `platform_settings.privacy.retention_days` where you don't need 2 years of history",
          "Pick a low-latency LLM, the pipeline waits on it every turn"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 71.5
          }
        ],
        "editorialScores": {
          "ergonomics": 77,
          "maintenance": 85,
          "payments": 35,
          "reliability": 60,
          "schema": 92,
          "security": 76,
          "transparency": 65
        },
        "provenanceScore": 92
      },
      "connect": {
        "http": "curl -X POST https://api.elevenlabs.io/v1/convai/agents/create -H \"xi-api-key: $ELEVENLABS_API_KEY\" \\\n  -H \"content-type: application/json\" \\\n  -d '{\"conversation_config\":{\"agent\":{\"first_message\":\"Hi, how can I help?\",\"prompt\":{\"prompt\":\"You take restaurant bookings.\"}}}}'",
        "claudeCode": "claude mcp add --transport http elevenlabs https://api.elevenlabs.io/v1/mcp"
      },
      "letme": {
        "capability": "https://letme.dev/voice.agent",
        "tool": "https://letme.dev/elevenlabs-agents"
      },
      "sameCompany": [
        "elevenlabs-music",
        "elevenlabs-scribe",
        "elevenlabs-tts",
        "elevenlabs-voice-cloning"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Agent call",
          "unit": "call-minute",
          "usd": 0.08,
          "note": "platform fee only, LLM and carrier extra"
        },
        {
          "item": "Burst call above concurrency",
          "unit": "call-minute",
          "usd": 0.16
        },
        {
          "item": "Text message",
          "unit": "message",
          "usd": 0.003
        },
        {
          "item": "Creator plan",
          "unit": "month",
          "usd": 22,
          "note": "275 call minutes, 10 concurrent calls"
        },
        {
          "item": "Pro plan",
          "unit": "month",
          "usd": 99,
          "note": "1,238 call minutes, 20 concurrent calls"
        }
      ],
      "provenance": {
        "legalEntity": "Eleven Labs Inc.",
        "domain": "elevenlabs.io",
        "domainRegistered": "2021-12-15",
        "endpointOnVendorDomain": true,
        "terms": "https://elevenlabs.io/terms-of-use",
        "privacy": "https://elevenlabs.io/privacy-policy",
        "statusPage": "https://status.elevenlabs.io",
        "changelog": "https://elevenlabs.io/docs/changelog",
        "securityTxt": "valid",
        "checked": "2026-09-30",
        "score": 92
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/elevenlabs-agents.json",
      "live": {
        "slug": "elevenlabs-agents",
        "probe": {
          "target": "https://api.elevenlabs.io/v1/convai",
          "method": "get",
          "lastAt": "2026-10-04T23:48:07.777271252Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 145,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 151,
          "p95ms24h": 247,
          "samples24h": 272,
          "samples30d": 1100,
          "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": 270,
              "ok": 270
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.elevenlabs.io",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:49:10.710640394Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "elevenlabs/packages",
            "version": "@elevenlabs/react-native@1.2.28",
            "released": "2026-09-29",
            "seenAt": "2026-10-04T16:26:08.660019282Z"
          },
          {
            "registry": "npm",
            "name": "@elevenlabs/client",
            "version": "1.26.0",
            "seenAt": "2026-10-04T16:26:04.721219688Z"
          },
          {
            "registry": "npm",
            "name": "@elevenlabs/react",
            "version": "1.16.0",
            "seenAt": "2026-10-04T16:26:07.266415961Z"
          },
          {
            "registry": "pypi",
            "name": "elevenlabs",
            "version": "2.70.0",
            "released": "2026-09-28",
            "seenAt": "2026-10-04T16:26:08.54621656Z"
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        ],
        "githubStars": 114,
        "npmWeekly": 1297130,
        "pypiWeekly": 2247596,
        "securityTxt": {
          "url": "https://elevenlabs.io/.well-known/security.txt",
          "state": "valid",
          "expires": "2027-03-01T00:00:00.000Z",
          "checkedAt": "2026-10-04T15:15:51.968224287Z"
        },
        "llmsTxt": {
          "url": "https://elevenlabs.io/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:44.978252232Z"
        },
        "domain": {
          "domain": "elevenlabs.io",
          "checkedAt": "2026-10-04T13:07:28.958673807Z"
        },
        "pages": [
          {
            "url": "https://elevenlabs.io/docs/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:26.923147888Z",
            "changedAt": "2026-10-04T15:44:26.923147888Z",
            "fingerprint": "8e3b6c4cf3d2"
          },
          {
            "url": "https://elevenlabs.io/pricing/agents",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:32.960517089Z",
            "changedAt": "2026-10-02T15:20:53.807548529Z",
            "fingerprint": "95716cace61a"
          },
          {
            "url": "https://elevenlabs.io/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:36.955540789Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "469dd3f024fd"
          },
          {
            "url": "https://elevenlabs.io/terms-of-use",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:38.961637386Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "ea0ee2e19b45"
          }
        ],
        "updatedAt": "2026-10-04T23:49:10.710640394Z"
      }
    },
    "b": {
      "slug": "hume-evi",
      "name": "Hume EVI (Empathic Voice Interface)",
      "vendor": "Hume AI",
      "vendorUrl": "https://www.hume.ai",
      "kind": "http-api",
      "category": "voice-agents",
      "summary": "Hume's hosted voice-agent service, accessed through a WebSocket API.",
      "url": "https://www.anchorterminal.com/tools/hume-evi",
      "markdownUrl": "https://www.anchorterminal.com/tools/hume-evi.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/hume-evi.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/hume-evi.json",
      "repo": "https://github.com/HumeAI/hume-python-sdk",
      "license": "MIT (SDKs)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.hume.ai/v0/evi",
      "packages": [
        {
          "registry": "npm",
          "name": "hume"
        },
        {
          "registry": "pypi",
          "name": "hume"
        },
        {
          "registry": "npm",
          "name": "@humeai/voice-react"
        }
      ],
      "auth": "mixed",
      "authNotes": "`X-Hume-Api-Key` header for REST. The chat WebSocket takes `api_key` or a short-lived `access_token` in the query string. The Twilio webhook URL carries the API key as a query parameter.",
      "pricing": "freemium",
      "pricingNotes": "Free includes 5 EVI minutes a month and 1 concurrent connection. Starter $3 40 minutes, Creator $14 ($7 first month) 200 minutes, Pro $70 1,200 minutes then $0.06 a minute, Scale $200 5,000 then $0.05, Business $500 12,500 then $0.04. External LLM usage is billed on top. Free and Starter are non-commercial (https://www.hume.ai/pricing).",
      "priceSummary": "$14 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 or machine payment in the docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 180,
        "npmWeekly": 79177,
        "pypiWeekly": 23750,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://dev.hume.ai/docs/speech-to-speech-evi/overview",
      "llmsTxt": "https://dev.hume.ai/llms.txt",
      "openapi": "https://dev.hume.ai/openapi/speech-to-speech-evi.json",
      "capabilities": [
        "voice.agent",
        "voice.speech-to-speech",
        "voice.pipeline",
        "voice.tools",
        "voice.telephony"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "closed-source",
        "python",
        "typescript",
        "llms-txt",
        "speech-to-speech",
        "pipeline",
        "streaming",
        "websocket",
        "webhooks",
        "enterprise",
        "status-page"
      ],
      "lastRelease": "2026-08-18",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 57.3,
        "grade": "C",
        "agentReady": false,
        "rank": 296,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 7,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 66,
          "maintenance": 65,
          "payments": 37,
          "reliability": 55,
          "schema": 90,
          "security": 27,
          "transparency": 67
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Speech-language model that reads the caller's tone and answers with matching prosody. One account-wide key, sent in the WebSocket and Twilio webhook URLs.",
        "strengths": [
          "Speech-language model that reads the caller's tone and answers with matching prosody",
          "4 to 7 cents a minute including Hume's own model",
          "External LLMs or a custom endpoint for tool calling",
          "AsyncAPI 2.6.0 file for the EVI WebSocket and an error catalogue with a recovery step for each code",
          "Dated end-of-support notices for older EVI versions"
        ],
        "weaknesses": [
          "One account-wide key, sent in the WebSocket and Twilio webhook URLs",
          "Privacy page contradicts itself on training use of EVI data",
          "EVI down in a majority of cases for about 6.5 hours on 11 July 2026, posted to the status page three days later",
          "Public changelog ends at 15 May 2026",
          "No HTTP 429, Retry-After or backoff guidance, only 'retry later' error codes"
        ],
        "agentNotes": [
          "Create a config with a voice first, EVI 3 has no default",
          "Pick a Claude, GPT, Gemini or Moonshot supplemental LLM if the agent needs tools, since Hume's own model can't call them",
          "Mint 30-minute access tokens server-side so the API key never reaches a client URL",
          "Turn on 'Do not retain data' and 'Do not use for training' at app.hume.ai before sensitive calls",
          "Reconnect with the chat group ID before the 30-minute session cap, and on E0700 close an open chat before starting another"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 57.3
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        ],
        "editorialScores": {
          "ergonomics": 66,
          "maintenance": 65,
          "payments": 37,
          "reliability": 55,
          "schema": 90,
          "security": 27,
          "transparency": 48
        },
        "provenanceScore": 86
      },
      "connect": {
        "http": "curl https://api.hume.ai/v0/evi/configs -H \"X-Hume-Api-Key: $HUME_API_KEY\""
      },
      "letme": {
        "capability": "https://letme.dev/voice.agent",
        "tool": "https://letme.dev/hume-evi"
      },
      "sameCompany": [
        "hume-voice-cloning"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "EVI on Pro",
          "unit": "call-minute",
          "usd": 0.06,
          "note": "overage after 1,200 included minutes, Hume model included, external LLM extra"
        },
        {
          "item": "EVI on Scale",
          "unit": "call-minute",
          "usd": 0.05,
          "note": "overage after 5,000 included minutes"
        },
        {
          "item": "EVI on Business",
          "unit": "call-minute",
          "usd": 0.04,
          "note": "overage after 12,500 included minutes"
        },
        {
          "item": "Creator plan",
          "unit": "month",
          "usd": 14,
          "note": "200 EVI minutes, 5 concurrent, $7 first month"
        },
        {
          "item": "Pro plan",
          "unit": "month",
          "usd": 70,
          "note": "1,200 EVI minutes, 10 concurrent"
        }
      ],
      "provenance": {
        "legalEntity": "Hume AI, Inc.",
        "domain": "hume.ai",
        "domainRegistered": "2020-04-06",
        "endpointOnVendorDomain": true,
        "terms": "https://www.hume.ai/terms-of-use",
        "privacy": "https://www.hume.ai/privacy-policy",
        "statusPage": "https://status.hume.ai",
        "changelog": "https://dev.hume.ai/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 86
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/hume-evi.json",
      "live": {
        "slug": "hume-evi",
        "probe": {
          "target": "https://api.hume.ai/v0/evi",
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            {
              "date": "2026-10-04",
              "probes": 270,
              "ok": 270
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          ]
        },
        "vendorStatus": {
          "page": "https://status.hume.ai",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:49:16.018424889Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "HumeAI/hume-python-sdk",
            "version": "v0.14.0",
            "released": "2026-06-17",
            "seenAt": "2026-10-04T16:29:56.131998075Z"
          },
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            "registry": "npm",
            "name": "@humeai/voice-react",
            "version": "0.3.0-beta.6",
            "seenAt": "2026-10-04T16:29:54.51635397Z"
          },
          {
            "registry": "npm",
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            "seenAt": "2026-10-04T16:29:52.148738651Z"
          },
          {
            "registry": "pypi",
            "name": "hume",
            "version": "0.14.1",
            "released": "2026-08-17",
            "seenAt": "2026-10-04T16:29:54.330736065Z"
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        "pypiWeekly": 21358,
        "securityTxt": {
          "url": "https://hume.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:41.337438357Z"
        },
        "llmsTxt": {
          "url": "https://dev.hume.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:54.525879651Z"
        },
        "domain": {
          "domain": "hume.ai",
          "registered": "2020-04-06",
          "source": "https://rdap.identitydigital.services/rdap/domain/hume.ai",
          "checkedAt": "2026-10-04T13:04:35.90510371Z"
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        "pages": [
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  "markdown": "ElevenLabs Agents API + MCP has a score of 71.5 (BB) against Hume EVI (Empathic Voice Interface)'s 57.3 (C). Both do voice agent. The largest gap is security \u0026 auth, 49 points.\n\n- ElevenLabs Agents API + MCP: grade BB, 71.5/100, rank #83 of 452. Markdown https://www.anchorterminal.com/tools/elevenlabs-agents.md · JSON https://www.anchorterminal.com/api/v1/tools/elevenlabs-agents.json\n- Hume EVI (Empathic Voice Interface): grade C, 57.3/100, rank #296 of 452. Markdown https://www.anchorterminal.com/tools/hume-evi.md · JSON https://www.anchorterminal.com/api/v1/tools/hume-evi.json\n\n## Which one, for what\n\nPick ElevenLabs Agents API + MCP for reliability (+5), agent ergonomics (+11), security \u0026 auth (+49), maintenance \u0026 community (+20), transparency \u0026 trust (+12).\n\nPick Hume EVI (Empathic Voice Interface) for nothing in particular (no category where it leads by five points or more).\n\n## Score by category\n\n| Category | Weight | ElevenLabs Agents API + MCP | Hume EVI (Empathic Voice Interface) | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 60 | 55 | ElevenLabs Agents API + MCP +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 92 | 90 | ElevenLabs Agents API + MCP +2 |\n| Agent ergonomics | 13% (16.2 this run) | 77 | 66 | ElevenLabs Agents API + MCP +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 76 | 27 | ElevenLabs Agents API + MCP +49 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 35 | 37 | Hume EVI (Empathic Voice Interface) +2 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 85 | 65 | ElevenLabs Agents API + MCP +20 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 79 | 67 | ElevenLabs Agents API + MCP +12 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **71.5 · BB** | **57.3 · C** | |\n\n## Facts side by side\n\n| Fact | ElevenLabs Agents API + MCP | Hume EVI (Empathic Voice Interface) |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | ElevenLabs | Hume AI |\n| Hosted endpoint | `https://api.elevenlabs.io/v1/convai` | `https://api.hume.ai/v0/evi` |\n| Transports | HTTP, Streamable HTTP | HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | MIT (SDKs) | MIT (SDKs) |\n| Tools exposed | none | none |\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.elevenlabs/mcp` | not listed |\n| Last release | 2026-09-29 | 2026-08-18 |\n| Popularity | 114 stars, 1.2M npm/wk, 2.2M PyPI/wk | 180 stars, 79k npm/wk, 24k PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 2/5 (2) |\n\n## Verdicts\n\n**ElevenLabs Agents API + MCP.** API keys scoped to endpoint groups, with per-key credit limits and service accounts. $0.08 a minute excludes LLM tokens and carrier minutes.\n\n**Hume EVI (Empathic Voice Interface).** Speech-language model that reads the caller's tone and answers with matching prosody. One account-wide key, sent in the WebSocket and Twilio webhook URLs.\n\n## Before you call either\n\n### ElevenLabs Agents API + MCP\n\n1. Create a key scoped to the agents endpoints with a credit limit before handing it to an agent\n2. Back off exponentially on `rate_limit_exceeded`, and wait for calls to finish on `concurrent_limit_exceeded`\n3. Use signed URLs or conversation tokens for private agents instead of exposing the API key\n4. Set `platform_settings.privacy.retention_days` where you don't need 2 years of history\n5. Pick a low-latency LLM, the pipeline waits on it every turn\n\n### Hume EVI (Empathic Voice Interface)\n\n1. Create a config with a voice first, EVI 3 has no default\n2. Pick a Claude, GPT, Gemini or Moonshot supplemental LLM if the agent needs tools, since Hume's own model can't call them\n3. Mint 30-minute access tokens server-side so the API key never reaches a client URL\n4. Turn on 'Do not retain data' and 'Do not use for training' at app.hume.ai before sensitive calls\n5. Reconnect with the chat group ID before the 30-minute session cap, and on E0700 close an open chat before starting another\n\n## Other comparisons with ElevenLabs Agents API + MCP or Hume EVI (Empathic Voice Interface)\n\n- [Bland AI API + MCP vs ElevenLabs Agents API + MCP](https://www.anchorterminal.com/compare/bland-ai-vs-elevenlabs-agents.md)\n- [Bland AI API + MCP vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/bland-ai-vs-hume-evi.md)\n- [Bolna API + MCP vs ElevenLabs Agents API + MCP](https://www.anchorterminal.com/compare/bolna-vs-elevenlabs-agents.md)\n- [Bolna API + MCP vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/bolna-vs-hume-evi.md)\n- [Deepgram Voice Agent API vs ElevenLabs Agents API + MCP](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-elevenlabs-agents.md)\n- [Deepgram Voice Agent API vs Hume EVI (Empathic Voice Interface)](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-hume-evi.md)\n- [ElevenLabs Agents API + MCP vs Retell AI API + MCP](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-retell-ai.md)\n- [ElevenLabs Agents API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-synthflow.md)\n- [ElevenLabs Agents API + MCP vs Ultravox Realtime API](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-ultravox.md)\n- [ElevenLabs Agents API + MCP vs Vapi API + MCP](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-vapi.md)\n- [ElevenLabs Agents API + MCP vs Vogent API](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-vogent.md)\n- [Hume EVI (Empathic Voice Interface) vs Retell AI API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-retell-ai.md)\n- [Hume EVI (Empathic Voice Interface) vs Synthflow API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-synthflow.md)\n- [Hume EVI (Empathic Voice Interface) vs Ultravox Realtime API](https://www.anchorterminal.com/compare/hume-evi-vs-ultravox.md)\n- [Hume EVI (Empathic Voice Interface) vs Vapi API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-vapi.md)\n- [Hume EVI (Empathic Voice Interface) vs Vogent API](https://www.anchorterminal.com/compare/hume-evi-vs-vogent.md)\n",
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    "description": "ElevenLabs Agents API + MCP has a score of 71.5 (BB) against Hume EVI (Empathic Voice Interface)'s 57.3 (C). Both do voice agent. The largest gap is security \u0026 auth, 49 points. Category scores, facts, verdicts and agent notes side by side.",
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    "title": "ElevenLabs Agents API + MCP vs Hume EVI (Empathic Voice Interface)",
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