{ "data": { "a": { "slug": "bland-ai", "name": "Bland AI API + MCP", "vendor": "Bland AI", "vendorUrl": "https://www.bland.ai", "kind": "http-api", "category": "voice-agents", "summary": "Phone-first voice-agent platform that runs its own speech recognition, language model, TTS and telephony, billed as one per-minute rate.", "url": "https://www.anchorterminal.com/tools/bland-ai", "markdownUrl": "https://www.anchorterminal.com/tools/bland-ai.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/bland-ai.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/bland-ai.json", "transports": [ "http", "streamable-http", "stdio" ], "remoteUrl": "https://api.bland.ai/v1", "packages": [ { "registry": "npm", "name": "bland-cli" } ], "auth": "api-key", "authNotes": "API key in the `Authorization` header for REST, and as `Bearer org_...` for the hosted MCP server at `https://api.bland.ai/v1/mcp`. The `bland mcp` command in the CLI runs a local stdio server. An agent can sign its owner up through a device-code flow or a headless flow that needs a texted 6-digit code from the owner.", "pricing": "freemium", "pricingNotes": "Start is free to join with 2 credits and an inbound number, no card, then $0.14 a connected minute and $0.05 a transfer minute, 10 concurrent calls and 100 calls a day. Build is $299 a month with $0.12 a minute, $0.04 transfer, 50 concurrent calls and 2,000 calls a day. Scale is $499 a month with $0.11 a minute, $0.03 transfer, 100 concurrent calls and 5,000 calls a day. Enterprise is custom. Every outbound attempt has a $0.015 minimum and failed calls are charged $0.015. SMS is $0.02 a message. The rate covers STT, LLM, TTS and telephony, and BYO Twilio customers pay no transfer fee. An Agent Phone Plan for personal AI agents is $29.99 a month ($14.99 the first month) (https://docs.bland.ai/platform/billing).", "priceSummary": "$299 / mo", "where": "both", "x402": { "level": "no", "evidence": "No x402 support in the docs, pricing page or MCP docs (checked 2026-09-30). Headless signup for the Agent Phone Plan answers HTTP 402 with a Machine Payments Protocol challenge settled through Stripe Link, which is a different protocol from x402 and only covers that plan (https://docs.bland.ai/platform/agent-headless-onboarding).", "endpoints": [] }, "toolCount": 42, "popularity": { "githubStars": null, "npmWeekly": 1179, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.bland.ai", "llmsTxt": "https://docs.bland.ai/llms.txt", "capabilities": [ "voice.agent", "voice.pipeline", "voice.tools", "voice.telephony" ], "tags": [ "hosted", "closed-source", "freemium", "no-card", "mcp", "llms-txt", "webhooks", "pipeline", "enterprise" ], "lastRelease": "2026-09-13", "graded": true, "anchor": { "graded": true, "score": 64.1, "grade": "B", "agentReady": false, "rank": 191, "ranked": true, "rankOf": 452, "categoryRank": 4, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 53, "maintenance": 60, "payments": 65, "reliability": 65, "schema": 68, "security": 66, "transparency": 74 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "One per-minute rate covering STT, LLM, TTS and telephony, $0.14 on Start and $0.12 on Build. No OpenAPI document.", "strengths": [ "One per-minute rate covering STT, LLM, TTS and telephony, $0.14 on Start and $0.12 on Build", "Start plan with 2 credits and an inbound number, no card", "Hosted MCP server with 42 tools labelled read, write or destructive, with confirmation on destructive ones", "Headless agent signup that needs only a 6-digit texted code from the owner", "Subprocessor list with locations and a valid security.txt" ], "weaknesses": [ "No OpenAPI document", "Start caps at 10 concurrent calls and 100 calls a day", "Failed calls and outbound attempts cost $0.015 each", "Audit logs are enterprise-only and don't record API key use", "Privacy policy gives no retention period for recordings or transcripts" ], "agentNotes": [ "Call `wait_for_call` (it waits up to 45 seconds) instead of polling `get_call_log`", "Send destructive MCP tools a second time with the confirmation argument", "Space calls to the same number at least 10 seconds apart or expect a 429", "Budget $0.015 for every outbound attempt, including ones that never connect", "Run `validate_pathway` before saving a pathway graph" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 64.1 } ], "editorialScores": { "ergonomics": 53, "maintenance": 60, "payments": 65, "reliability": 65, "schema": 68, "security": 66, "transparency": 55 }, "provenanceScore": 92 }, "connect": { "http": "curl -X POST https://api.bland.ai/v1/calls -H \"Authorization: $BLAND_API_KEY\" \\\n -H \"content-type: application/json\" \\\n -d '{\"phone_number\":\"+15551234567\",\"task\":\"Confirm tomorrow 3pm appointment and ask if they need to reschedule.\"}'", "claudeCode": "claude mcp add --transport http bland https://api.bland.ai/v1/mcp --header \"Authorization: Bearer $BLAND_API_KEY\"", "config": { "mcpServers": { "bland": { "args": [ "bland-cli", "mcp" ], "command": "npx", "env": { "BLAND_API_KEY": "${BLAND_API_KEY}" } } } } }, "letme": { "capability": "https://letme.dev/voice.agent", "tool": "https://letme.dev/bland-ai" }, "area": "voice", "unitPrices": [ { "item": "Start plan connected minute", "unit": "call-minute", "usd": 0.14, "note": "all in, STT, LLM, TTS and telephony" }, { "item": "Build plan connected minute", "unit": "call-minute", "usd": 0.12, "note": "all in, plus $299 a month" }, { "item": "Start plan transfer minute", "unit": "call-minute", "usd": 0.05, "note": "Bland numbers only" }, { "item": "Build plan", "unit": "month", "usd": 299 }, { "item": "Agent Phone Plan", "unit": "month", "usd": 29.99, "note": "$14.99 the first month" } ], "provenance": { "legalEntity": "Bland Inc.", "domain": "bland.ai", "domainRegistered": "2023-07-30", "endpointOnVendorDomain": true, "terms": "https://www.bland.ai/legal/terms", "privacy": "https://www.bland.ai/legal/privacy", "statusPage": "https://status.bland.ai", "changelog": "https://www.bland.ai/changelog", "securityTxt": "valid", "checked": "2026-10-01", "notes": [ "The terms (updated 2026-08-28) name Bland Inc. The privacy policy (updated 2026-06-23) names Intelliga Corp DBA Bland AI." ], "score": 92 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/bland-ai.json", "live": { "slug": "bland-ai", "probe": { "target": "https://api.bland.ai/v1", "method": "get", "lastAt": "2026-10-05T00:25:39.844858057Z", "lastOk": true, "lastStatus": 404, "lastMs": 223, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 262, "p95ms24h": 895, "samples24h": 272, "samples30d": 1107, "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": 5, "ok": 5 } ] }, "vendorStatus": { "page": "https://status.bland.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T00:22:37.90709256Z" }, "versions": [ { "registry": "npm", "name": "bland-cli", "version": "0.10.1", "seenAt": "2026-10-04T16:22:21.842301353Z" } ], "npmWeekly": 1838, "securityTxt": { "url": "https://bland.ai/.well-known/security.txt", "state": "valid", "expires": "2027-04-05T00:00:00.000Z", "checkedAt": "2026-10-04T15:15:42.315300806Z" }, "llmsTxt": { "url": "https://docs.bland.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:20.831115973Z" }, "domain": { "domain": "bland.ai", "registered": "2023-07-30", "source": "https://rdap.identitydigital.services/rdap/domain/bland.ai", "checkedAt": "2026-10-04T13:08:15.310416438Z" }, "pages": [ { "url": "https://www.bland.ai/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:49:28.06070924Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "d73002ae0cca" }, { "url": "https://docs.bland.ai/platform/billing", "kind": "deprecations", "status": 200, "checkedAt": "2026-10-04T15:43:17.804034252Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "6c5eba5261f7" }, { "url": "https://www.bland.ai/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-01T13:16:48.844714237Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "31b0239cb0b9" }, { "url": "https://www.bland.ai/legal/privacy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:49:30.432334718Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "b2d6dc77b3fe" }, { "url": "https://www.bland.ai/legal/terms", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:49:32.273898883Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "86441cb18833" } ], "updatedAt": "2026-10-05T00:25:39.844858057Z" } }, "b": { "slug": "retell-ai", "name": "Retell AI API + MCP", "vendor": "Retell AI", "vendorUrl": "https://www.retellai.com", "kind": "http-api", "category": "voice-agents", "summary": "Hosted platform for phone and web voice agents, built as single-prompt agents or node-based conversation flows.", "url": "https://www.anchorterminal.com/tools/retell-ai", "markdownUrl": "https://www.anchorterminal.com/tools/retell-ai.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/retell-ai.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/retell-ai.json", "repo": "https://github.com/RetellAI/retell-typescript-sdk", "license": "Apache-2.0 (SDKs)", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://api.retellai.com", "packages": [ { "registry": "npm", "name": "retell-sdk" }, { "registry": "npm", "name": "retell-client-js-sdk" }, { "registry": "pypi", "name": "retell-sdk" } ], "auth": "api-key", "authNotes": "Bearer API key for the REST API and the hosted MCP server at `https://mcp.retellai.com`. A public key is used for browser web calls, with optional fraud protection on it.", "pricing": "usage", "pricingNotes": "Pay as you go with $10 of free credits, priced per component. Voice infrastructure $0.055 a minute, Retell and most third-party voices $0.015 (ElevenLabs $0.04), telephony $0.015 on Retell numbers, and the LLM from $0.0016 to $0.32 a minute depending on model. The vendor puts the total at $0.07 to $0.31 a minute. Speech-to-speech models run $0.07 (GPT Realtime mini) to $0.38 a minute. Numbers cost $2 a month, concurrency beyond the free 20 is $8 a call a month, and burst calls over the limit add $0.10 a minute. Enterprise pricing is custom (https://www.retellai.com/pricing).", "priceSummary": "$2 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in the docs, pricing page or MCP docs (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 62, "npmWeekly": 242906, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.retellai.com", "llmsTxt": "https://docs.retellai.com/llms.txt", "openapi": "https://docs.retellai.com/openapi-final.yaml", "capabilities": [ "voice.agent", "voice.pipeline", "voice.speech-to-speech", "voice.tools", "voice.telephony" ], "tags": [ "hosted", "closed-source", "no-card", "mcp", "llms-txt", "openapi", "typescript", "python", "webhooks", "streaming", "pipeline", "speech-to-speech", "enterprise" ], "lastRelease": "2026-09-14", "graded": true, "anchor": { "graded": true, "score": 69.4, "grade": "B", "agentReady": false, "rank": 114, "ranked": true, "rankOf": 452, "categoryRank": 2, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 60, "maintenance": 85, "payments": 40, "reliability": 60, "schema": 92, "security": 76, "transparency": 79 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Published per-minute price for every component, from $0.07 a minute all in. Call data kept indefinitely unless retention is set per agent.", "strengths": [ "Published per-minute price for every component, from $0.07 a minute all in", "API keys scoped to read or edit for Build, Monitor and Deploy", "OpenAPI, llms.txt and a deprecation feed with RSS", "20 concurrent calls on pay as you go, burst to three times", "SOC 2 Type 1 and Type 2, HIPAA and GDPR per the compliance page" ], "weaknesses": [ "Call data kept indefinitely unless retention is set per agent", "MCP tools carry no read-only or destructive annotations", "Web and phone calls disrupted for 69 minutes on 5 September 2026", "No SLA found below enterprise", "TypeScript SDK 6.0.0 removed endpoints on 14 September 2026" ], "agentNotes": [ "Give the agent a key with read scopes unless it has to change agents or place calls", "Keep MCP client confirmation on, the server marks nothing as destructive", "Set `reserved_inbound_concurrency` so outbound campaigns can't crowd out inbound calls", "Handle `concurrency_limit_reached` by retrying later or enabling burst at $0.10 a minute extra", "Set a data retention period on each agent that handles personal data" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 69.4 } ], "editorialScores": { "ergonomics": 60, "maintenance": 85, "payments": 40, "reliability": 60, "schema": 92, "security": 76, "transparency": 75 }, "provenanceScore": 82 }, "connect": { "http": "curl -X POST https://api.retellai.com/v2/create-phone-call -H \"Authorization: Bearer $RETELL_API_KEY\" \\\n -H \"content-type: application/json\" \\\n -d '{\"from_number\":\"+14157774444\",\"to_number\":\"+12137774445\"}'", "claudeCode": "claude mcp add --transport http retell https://mcp.retellai.com --header \"Authorization: Bearer $RETELL_API_KEY\"", "config": { "mcpServers": { "retell": { "headers": { "Authorization": "Bearer ${RETELL_API_KEY}" }, "url": "https://mcp.retellai.com" } } } }, "letme": { "capability": "https://letme.dev/voice.agent", "tool": "https://letme.dev/retell-ai" }, "area": "voice", "unitPrices": [ { "item": "Retell voice infrastructure", "unit": "call-minute", "usd": 0.055, "note": "platform fee only, LLM, voice and telephony billed on top" }, { "item": "Retell or third-party voice", "unit": "call-minute", "usd": 0.015, "note": "ElevenLabs voices $0.04" }, { "item": "Retell telephony", "unit": "call-minute", "usd": 0.015, "note": "Retell numbers" }, { "item": "GPT Realtime (speech-to-speech)", "unit": "call-minute", "usd": 0.345 }, { "item": "GPT Realtime mini (speech-to-speech)", "unit": "call-minute", "usd": 0.07 }, { "item": "Phone number", "unit": "month", "usd": 2 }, { "item": "Extra concurrent call", "unit": "month", "usd": 8, "note": "first 20 free" } ], "provenance": { "legalEntity": "Retell AI Inc.", "domain": "retellai.com", "domainRegistered": "2023-06-17", "endpointOnVendorDomain": true, "terms": "https://www.retellai.com/legal/terms-of-service", "privacy": "https://www.retellai.com/legal/privacy-policy", "statusPage": "https://status.retellai.com", "changelog": "https://www.retellai.com/changelog", "securityTxt": "none", "checked": "2026-09-30", "score": 82 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/retell-ai.json", "live": { "slug": "retell-ai", "probe": { "target": "https://api.retellai.com", "method": "get", "lastAt": "2026-10-05T00:25:49.213514765Z", "lastOk": true, "lastStatus": 200, "lastMs": 399, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 400, "p95ms24h": 451, "samples24h": 272, "samples30d": 1107, "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": 5, "ok": 5 } ] }, "vendorStatus": { "page": "https://status.retellai.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T00:22:59.695744468Z" }, "versions": [ { "registry": "github", "name": "RetellAI/retell-typescript-sdk", "version": "v6.0.1", "released": "2026-09-14", "seenAt": "2026-10-04T16:38:33.194361249Z" }, { "registry": "npm", "name": "retell-client-js-sdk", "version": "3.0.2", "seenAt": "2026-10-04T16:38:31.197486147Z" }, { "registry": "npm", "name": "retell-sdk", "version": "6.0.1", "seenAt": "2026-10-04T16:38:30.795021522Z" }, { "registry": "pypi", "name": "retell-sdk", "version": "6.0.1", "released": "2026-09-14", "seenAt": "2026-10-04T16:38:33.004573445Z" } ], "githubStars": 62, "npmWeekly": 266545, "pypiWeekly": 177027, "securityTxt": { "url": "https://retellai.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:57.649934082Z" }, "llmsTxt": { "url": "https://docs.retellai.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:11.792238049Z" }, "domain": { "domain": "retellai.com", "registered": "2023-06-17", "source": "https://rdap.verisign.com/com/v1/domain/retellai.com", "checkedAt": "2026-10-04T13:07:24.959713497Z" }, "pages": [ { "url": "https://www.retellai.com/changelog", "kind": "changelog", "status": 304, "checkedAt": "2026-10-04T15:51:53.701641361Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "69acd4d4ac18" }, { "url": "https://docs.retellai.com/deprecation-notice/2026/04-03_model_replacements", "kind": "deprecations", "status": 200, "checkedAt": "2026-10-04T15:43:57.067738394Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "5f44b93c3852" }, { "url": "https://docs.retellai.com/deprecation-notice/2026/07-20_legacy_mcp_server", "kind": "deprecations", "status": 200, "checkedAt": "2026-10-04T15:43:59.299839944Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "c334d3256a05" }, { "url": "https://www.retellai.com/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:51:59.747888411Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "9658d88f5dcd" }, { "url": "https://www.retellai.com/legal/privacy-policy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:51:55.742254294Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e80c24eba4d4" }, { "url": "https://www.retellai.com/legal/terms-of-service", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:51:57.730861562Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "106049026b59" } ], "updatedAt": "2026-10-05T00:25:49.213514765Z" } }, "summary": "Retell AI API + MCP has a score of 69.4 (B) against Bland AI API + MCP's 64.1 (B). Both do voice agent. The largest gap is payments \u0026 pricing, 25 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/bland-ai-vs-retell-ai", "json": "https://www.anchorterminal.com/compare/bland-ai-vs-retell-ai.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/bland-ai-vs-retell-ai.md", "slim": "https://www.anchorterminal.com/compare/bland-ai-vs-retell-ai.min.md" }, "markdown": "Retell AI API + MCP has a score of 69.4 (B) against Bland AI API + MCP's 64.1 (B). Both do voice agent. The largest gap is payments \u0026 pricing, 25 points.\n\n- Bland AI API + MCP: grade B, 64.1/100, rank #191 of 452. Markdown https://www.anchorterminal.com/tools/bland-ai.md · JSON https://www.anchorterminal.com/api/v1/tools/bland-ai.json\n- Retell AI API + MCP: grade B, 69.4/100, rank #114 of 452. Markdown https://www.anchorterminal.com/tools/retell-ai.md · JSON https://www.anchorterminal.com/api/v1/tools/retell-ai.json\n\n## Which one, for what\n\nPick Bland AI API + MCP for reliability (+5), payments \u0026 pricing (+25).\n\nPick Retell AI API + MCP for schema \u0026 documentation (+24), agent ergonomics (+7), security \u0026 auth (+10), maintenance \u0026 community (+25), transparency \u0026 trust (+5).\n\n## Score by category\n\n| Category | Weight | Bland AI API + MCP | Retell AI API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 60 | Bland AI API + MCP +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 68 | 92 | Retell AI API + MCP +24 |\n| Agent ergonomics | 13% (16.2 this run) | 53 | 60 | Retell AI API + MCP +7 |\n| Security \u0026 auth | 14% (17.5 this run) | 66 | 76 | Retell AI API + MCP +10 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 65 | 40 | Bland AI API + MCP +25 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 60 | 85 | Retell AI API + MCP +25 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 74 | 79 | Retell AI API + MCP +5 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **64.1 · B** | **69.4 · B** | |\n\n## Facts side by side\n\n| Fact | Bland AI API + MCP | Retell AI API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Bland AI | Retell AI |\n| Hosted endpoint | `https://api.bland.ai/v1` | `https://api.retellai.com` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP |\n| Auth | API key | API key |\n| Pricing | Freemium | Pay per use |\n| x402 | no | no |\n| Licence | none | Apache-2.0 (SDKs) |\n| Tools exposed | 42 | 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 | not listed | not listed |\n| Last release | 2026-09-13 | 2026-09-14 |\n| Popularity | 1.2k npm/wk | 62 stars, 243k npm/wk |\n| Agent reviews | 3/5 (2) | 3.5/5 (2) |\n\n## Verdicts\n\n**Bland AI API + MCP.** One per-minute rate covering STT, LLM, TTS and telephony, $0.14 on Start and $0.12 on Build. No OpenAPI document.\n\n**Retell AI API + MCP.** Published per-minute price for every component, from $0.07 a minute all in. Call data kept indefinitely unless retention is set per agent.\n\n## Before you call either\n\n### Bland AI API + MCP\n\n1. Call `wait_for_call` (it waits up to 45 seconds) instead of polling `get_call_log`\n2. Send destructive MCP tools a second time with the confirmation argument\n3. Space calls to the same number at least 10 seconds apart or expect a 429\n4. Budget $0.015 for every outbound attempt, including ones that never connect\n5. Run `validate_pathway` before saving a pathway graph\n\n### Retell AI API + MCP\n\n1. Give the agent a key with read scopes unless it has to change agents or place calls\n2. Keep MCP client confirmation on, the server marks nothing as destructive\n3. Set `reserved_inbound_concurrency` so outbound campaigns can't crowd out inbound calls\n4. Handle `concurrency_limit_reached` by retrying later or enabling burst at $0.10 a minute extra\n5. Set a data retention period on each agent that handles personal data\n\n## Other comparisons with Bland AI API + MCP or Retell AI API + MCP\n\n- [Bland AI API + MCP vs Bolna API + MCP](https://www.anchorterminal.com/compare/bland-ai-vs-bolna.md)\n- [Bland AI API + MCP vs Deepgram Voice Agent API](https://www.anchorterminal.com/compare/bland-ai-vs-deepgram-voice-agent.md)\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- [Bland AI API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/bland-ai-vs-synthflow.md)\n- [Bland AI API + MCP vs Ultravox Realtime API](https://www.anchorterminal.com/compare/bland-ai-vs-ultravox.md)\n- [Bland AI API + MCP vs Vapi API + MCP](https://www.anchorterminal.com/compare/bland-ai-vs-vapi.md)\n- [Bland AI API + MCP vs Vogent API](https://www.anchorterminal.com/compare/bland-ai-vs-vogent.md)\n- [Bolna API + MCP vs Retell AI API + MCP](https://www.anchorterminal.com/compare/bolna-vs-retell-ai.md)\n- [Deepgram Voice Agent API vs Retell AI API + MCP](https://www.anchorterminal.com/compare/deepgram-voice-agent-vs-retell-ai.md)\n- [ElevenLabs Agents API + MCP vs Retell AI API + MCP](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-retell-ai.md)\n- [Hume EVI (Empathic Voice Interface) vs Retell AI API + MCP](https://www.anchorterminal.com/compare/hume-evi-vs-retell-ai.md)\n- [Retell AI API + MCP vs Synthflow API + MCP](https://www.anchorterminal.com/compare/retell-ai-vs-synthflow.md)\n- [Retell AI API + MCP vs Ultravox Realtime API](https://www.anchorterminal.com/compare/retell-ai-vs-ultravox.md)\n- [Retell AI API + MCP vs Vapi API + MCP](https://www.anchorterminal.com/compare/retell-ai-vs-vapi.md)\n- [Retell AI API + MCP vs Vogent API](https://www.anchorterminal.com/compare/retell-ai-vs-vogent.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Bland AI API + MCP vs Retell AI API + MCP", "url": "" } ], "description": "Retell AI API + MCP has a score of 69.4 (B) against Bland AI API + MCP's 64.1 (B). Both do voice agent. The largest gap is payments \u0026 pricing, 25 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Bland AI API + MCP B 64.1", "Retell AI API + MCP B 69.4", "scores" ], "h1": "Bland AI API + MCP vs Retell AI API + MCP", "image": "https://www.anchorterminal.com/assets/og/compare-bland-ai-vs-retell-ai.png", "path": "/compare/bland-ai-vs-retell-ai", "published": "2026-10-01", "section": "tools", "title": "Bland AI API + MCP vs Retell AI API + MCP for AI agents", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/bland-ai-vs-retell-ai" }, "tokens": { "markdown": 1600, "slim": 380 }, "version": 1 }