{
  "data": {
    "a": {
      "slug": "jambonz",
      "name": "jambonz",
      "vendor": "FirstFive8, Inc.",
      "vendorUrl": "https://jambonz.org",
      "kind": "http-api",
      "category": "voice-calling",
      "summary": "jambonz is a programmable voice platform from FirstFive8 for calls over a customer's own SIP carriers. Applications control calls through a REST API, webhooks or a WebSocket API, on the hosted jambonz.cloud or a self-hosted cluster under a commercial licence.",
      "url": "https://www.anchorterminal.com/tools/jambonz",
      "markdownUrl": "https://www.anchorterminal.com/tools/jambonz.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/jambonz.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/jambonz.json",
      "repo": "https://github.com/jambonz/jambonz-feature-server",
      "license": "Proprietary. jambonz.cloud is under the jambonz Terms of Use and self-hosted jambonz Commercial needs a paid licence key. The API server, feature server and SDK repositories on GitHub are MIT",
      "transports": [
        "http"
      ],
      "packages": [
        {
          "registry": "npm",
          "name": "@jambonz/sdk"
        },
        {
          "registry": "pypi",
          "name": "jambonz-python-sdk"
        },
        {
          "registry": "npm",
          "name": "@jambonz/mcp-schema-server"
        }
      ],
      "auth": "api-key",
      "authNotes": "A bearer token sent as `Authorization: Bearer \u003ctoken\u003e`, created in the jambonz.cloud portal or with `POST /ApiKeys` by an existing token. A token belongs to one account or one service provider and reaches everything that owner can. No scopes or read-only keys were found. Access is self-serve after a browser sign-up with email, Google or GitHub. Webhooks to the application are signed with a `Jambonz-Signature` header on the hosted platform, or protected with HTTP basic authentication.",
      "pricing": "paid",
      "pricingNotes": "jambonz.cloud costs $8 a concurrent session a month for 5 to 249 sessions, $6 for 250 to 499 and $5 for 500 or more, with no per-minute charge. A three-week trial comes first, and the terms describe choosing a subscription at its end. Self-hosted licences cost $7 a session a month or $2,000 a month for unlimited sessions on one cluster, after a 30-day trial of 10 sessions. Carrier minutes, phone numbers, speech and LLM usage are bought from other vendors. Air-gapped, OEM and Enterprise support prices are by quote (https://jambonz.org/pricing, checked 2026-10-08).",
      "priceSummary": "$8 / mo",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs index, the three OpenAPI files or the pricing page (checked 2026-10-08).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 103,
        "npmWeekly": 1368,
        "pypiWeekly": 420,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://docs.jambonz.org",
      "llmsTxt": "https://docs.jambonz.org/llms.txt",
      "openapi": "https://docs.jambonz.org/openapi/rest-call-control.json",
      "capabilities": [
        "voice.calls",
        "voice.sip",
        "voice.streaming",
        "voice.recording",
        "voice.agent"
      ],
      "tags": [
        "hosted",
        "self-hosted",
        "sip",
        "webrtc",
        "open-source",
        "openapi",
        "llms-txt",
        "typescript",
        "python",
        "webhooks",
        "websocket",
        "free-trial"
      ],
      "lastRelease": "2026-10-04",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 49.2,
        "grade": "D",
        "agentReady": false,
        "rank": 712,
        "ranked": true,
        "rankOf": 842,
        "categoryRank": 11,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 54,
          "maintenance": 78,
          "payments": 40,
          "reliability": 36,
          "schema": 78,
          "security": 42,
          "transparency": 50
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": -3,
        "negativeNotes": [
          "24 September 2026, fixed and documented. The 11.1.5 release notes list API server flaws found in a security review, among them privilege escalation in user management, accounts able to write operator-only fields and limits, and a call-logs route that could read arbitrary CloudWatch log groups. The 11.0.0 notes of 8 July 2026 also mention cross-account authorisation hardening. No advisory or CVE was published. 3 points, reduced because the fixes shipped and were disclosed (https://docs.jambonz.org/changelog/2026/9/24)"
        ],
        "verdict": "OpenAPI 3.1 and AsyncAPI documents, an llms.txt and Markdown pages cover the REST and WebSocket APIs, and session prices are public. No status page, security.txt or advisory was found, API keys carry no scopes, and the 2021 privacy policy says audio is never stored while the October 2026 release notes say support keeps call audio for a few days.",
        "bestFor": "Teams that already have a SIP carrier and speech and LLM vendors and want call control with flat session pricing, or that must run the voice layer in their own network.",
        "strengths": [
          "Three OpenAPI 3.1 documents (10, 116 and 4 operations) and an AsyncAPI 2.6.0 document for the WebSocket channels are public",
          "The docs publish an llms.txt, every page as Markdown and a docs MCP server at `https://docs.jambonz.org/_mcp/server`",
          "Prices are per concurrent session a month ($8, $6 or $5 on the cloud), with no per-minute charge and recording and streaming included",
          "Six dated release notes from 14 August to 4 October 2026, each with a component version table and self-hosted upgrade notes",
          "The API server, feature server and both SDKs are public under MIT, and the same platform can run in the customer's own network"
        ],
        "weaknesses": [
          "No status page, uptime SLA, security.txt, `SECURITY.md` or published advisory was found for jambonz.cloud or the repositories",
          "The privacy policy of 4 May 2021 says audio is never stored. The 4 October 2026 release notes say support keeps SIP and RTP from calls for a few days",
          "API keys are bearer tokens for a whole account or service provider, with no scopes, no read-only key and no delete operation in the published reference",
          "The rate limit page gives 600 requests per 5 minutes per IP address. The 4 October release notes give 4,000 call creations a minute per account",
          "No idempotency key was found on `POST /Accounts/{AccountSid}/Calls`, so a retried request can place a second call",
          "jambonz sells no phone numbers or minutes. Every call needs a SIP trunk from another carrier and the customer's own speech vendor keys"
        ],
        "agentNotes": [
          "Send `Authorization: Bearer \u003ctoken\u003e` to `https://api.jambonz.cloud/v1`, the server in the OpenAPI files. The REST introduction page gives `https://jambonz.cloud/api` instead, so confirm the base URL with the operator",
          "Create a call with `from`, `to` and either `application_sid` or `call_hook`. Do not retry a timed-out create without checking `GET /Accounts/{AccountSid}/Calls` first",
          "Read `ratelimit-remaining` and `ratelimit-reset` on every response and stop when a `429` arrives",
          "Append `#rc=3\u0026rp=5xx,ct` to an application URL to turn on webhook retries. HTTP webhooks are not retried by default",
          "Check the account has a carrier and speech credentials before dialling. jambonz does not supply numbers, minutes or speech services"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 49.2
          }
        ],
        "editorialScores": {
          "ergonomics": 54,
          "maintenance": 78,
          "payments": 40,
          "reliability": 36,
          "schema": 78,
          "security": 42,
          "transparency": 43
        },
        "provenanceScore": 57
      },
      "connect": {
        "install": "npm install @jambonz/sdk",
        "http": "POST https://api.jambonz.cloud/v1/Accounts/{AccountSid}/Calls\nAuthorization: Bearer \u003ctoken\u003e\nContent-Type: application/json"
      },
      "letme": {
        "capability": "https://letme.dev/voice.calls",
        "tool": "https://letme.dev/jambonz"
      },
      "area": "voice",
      "unitPrices": [
        {
          "item": "Cloud, concurrent session (5 to 249 sessions)",
          "unit": "month",
          "usd": 8,
          "note": "monthly subscription, no per-minute charge"
        },
        {
          "item": "Cloud, concurrent session (250 to 499 sessions)",
          "unit": "month",
          "usd": 6,
          "note": "monthly subscription"
        },
        {
          "item": "Cloud, concurrent session (500 or more sessions)",
          "unit": "month",
          "usd": 5,
          "note": "monthly subscription"
        },
        {
          "item": "Self-hosted licence, concurrent session",
          "unit": "month",
          "usd": 7,
          "note": "one cluster, keyed to its domain"
        },
        {
          "item": "Self-hosted licence, unlimited sessions",
          "unit": "month",
          "usd": 2000,
          "note": "one cluster, keyed to its domain"
        },
        {
          "item": "Installation support package",
          "unit": "tx",
          "usd": 1000,
          "note": "one-time fee for one month of installation support"
        }
      ],
      "provenance": {
        "legalEntity": "FirstFive8, Inc.",
        "domain": "jambonz.org",
        "domainRegistered": "2019-08-13",
        "endpointOnVendorDomain": false,
        "terms": "https://jambonz.org/terms",
        "privacy": "https://jambonz.org/privacy",
        "statusPage": "",
        "changelog": "https://docs.jambonz.org/changelog",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The terms link is the jambonz Terms of Use, labelled Terms of Service (Cloud) in the site footer, last updated 4 May 2021, between the user and FirstFive8, Inc of Charlestown, Massachusetts. Self-hosted and OEM customers have separate terms at https://jambonz.org/legal-terms-selfhosted and https://jambonz.org/legal-terms-oem.",
          "The privacy policy was last updated 4 May 2021. It says it is intended for residents of the United States. No data processing addendum or sub-processor list was found.",
          "The hosted API answers on jambonz.cloud (`https://api.jambonz.cloud/v1` in the OpenAPI files, `https://jambonz.cloud/api` in the REST introduction), a second domain of the vendor's. The schema MCP server is on jambonz.app.",
          "No status page is linked from jambonz.org, the docs or the jambonz.cloud landing page.",
          "https://jambonz.org/.well-known/security.txt returned 404. No `SECURITY.md` was found in jambonz-api-server, jambonz-feature-server, node-sdk or python-sdk.",
          "RDAP for jambonz.org gives a registration date of 2019-08-13.",
          "The cloud terms forbid crawling, indexing or storing pages of the Service in a non-transitory manner. robots.txt on jambonz.org, docs.jambonz.org and jambonz.cloud allows every path we read. The pages were read once and the copies deleted.",
          "docs.jambonz.org/llms.txt opens with a block headed Instructions for AI Agents (append `.md` for Markdown, connect to the docs MCP server). We recorded it and did not act on it."
        ],
        "score": 57
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/jambonz.json"
    },
    "answer": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against jambonz's 49.2 (D), and leads in every scored category.",
    "b": {
      "slug": "telnyx-voice",
      "name": "Telnyx Voice API + MCP",
      "vendor": "Telnyx",
      "vendorUrl": "https://telnyx.com",
      "kind": "http-api",
      "category": "voice-calling",
      "summary": "Carrier-owned Voice API (Call Control and TeXML) for calls, numbers, websocket media streaming, recording and transfers on Telnyx's own network.",
      "url": "https://www.anchorterminal.com/tools/telnyx-voice",
      "markdownUrl": "https://www.anchorterminal.com/tools/telnyx-voice.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/telnyx-voice.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/telnyx-voice.json",
      "repo": "https://github.com/team-telnyx/telnyx-node",
      "license": "MIT",
      "transports": [
        "http",
        "streamable-http",
        "stdio"
      ],
      "remoteUrl": "https://api.telnyx.com/v2",
      "packages": [
        {
          "registry": "npm",
          "name": "telnyx"
        },
        {
          "registry": "npm",
          "name": "telnyx-mcp"
        },
        {
          "registry": "pypi",
          "name": "telnyx"
        }
      ],
      "auth": "mixed",
      "authNotes": "Bearer API key from the portal for the REST API and the hosted MCP endpoint. Claude custom connectors can instead grant access through the Telnyx portal. Call Control webhooks are signed.",
      "pricing": "usage",
      "pricingNotes": "Pay as you go with no minimum and no free credit. Fund by card, or by x402 (USDC on Base), MPP or ACP top-ups through the API. Voice API fee $0.002 a minute each way, plus SIP trunking billed separately. US local termination from $0.005 a minute, local origination from $0.0032, toll-free origination from $0.015. US local and toll-free numbers $1 a month. Recording $0.002 a minute, media streaming $0.0035 a minute, conferencing $0.002 a participant a minute, answering machine detection $0.002 a call. AI Assistants and Conversation Relay $0.05 a minute. Committed plans from $500 a month (https://telnyx.com/pricing/call-control, https://telnyx.com/agent-signup.md).",
      "priceSummary": "$1 / mo",
      "where": "both",
      "x402": {
        "level": "partial",
        "evidence": "Telnyx's agent signup guide documents POST https://api.telnyx.com/v2/x402/credit_account to top up account credit in USDC on Base, alongside MPP at /v2/machine-payments/account-credit and ACP checkout sessions. These are account top-ups, not per-call payments on the voice endpoints, and per-payment limits aren't published. Not tested by us (https://telnyx.com/agent-signup.md, checked 2026-10-01).",
        "endpoints": [
          {
            "url": "https://api.telnyx.com/v2/x402/credit_account",
            "priceUsd": null,
            "network": "eip155:8453"
          }
        ]
      },
      "toolCount": 3,
      "popularity": {
        "githubStars": 197,
        "npmWeekly": 416629,
        "pypiWeekly": 178817,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developers.telnyx.com/docs/voice/programmable-voice/get-started",
      "llmsTxt": "https://developers.telnyx.com/llms.txt",
      "openapi": "https://raw.githubusercontent.com/team-telnyx/openapi/master/openapi/spec3.json",
      "registryName": "io.github.team-telnyx/telnyx",
      "capabilities": [
        "voice.calls",
        "voice.numbers",
        "voice.streaming",
        "voice.sip",
        "voice.recording",
        "voice.transfer"
      ],
      "tags": [
        "hosted",
        "mcp",
        "llms-txt",
        "openapi",
        "typescript",
        "python",
        "webhooks",
        "streaming",
        "x402",
        "stablecoin",
        "prepaid"
      ],
      "lastRelease": "2026-09-25",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 74.2,
        "grade": "BB",
        "agentReady": true,
        "rank": 73,
        "ranked": true,
        "rankOf": 842,
        "categoryRank": 2,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 90,
          "maintenance": 83,
          "payments": 65,
          "reliability": 75,
          "schema": 93,
          "security": 45,
          "transparency": 71
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "About $0.007 a minute all-in for US outbound ($0.002 Voice API plus $0.005 termination). x402 and MPP only top up credit, they don't pay per call.",
        "bestFor": "Cost-sensitive US outbound voice agents and for agents that must onboard and pay without a person.",
        "strengths": [
          "About $0.007 a minute all-in for US outbound ($0.002 Voice API plus $0.005 termination)",
          "Bot signup, API key creation and x402 or MPP account top-ups without a browser",
          "30 outbound dials a second, Retry-After on 429, and command_id to de-duplicate retried call commands",
          "OpenAPI spec, llms.txt, pricing.md and an MCP in the official registry",
          "SOC 2 Type II and ISO 27001"
        ],
        "weaknesses": [
          "x402 and MPP only top up credit, they don't pay per call",
          "No free credit, a new account starts at zero",
          "No scoped or read-only API keys found, and the MCP can dial and buy numbers without confirmation",
          "One-way or degraded call audio for about 12 hours from 10 September, and API 5XX errors for about 2 hours on 23 September",
          "No security.txt, bug bounty or deprecation policy found"
        ],
        "agentNotes": [
          "Create a Call Control application first. `POST /v2/calls` needs its `connection_id`",
          "Fund a new account through /v2/x402/credit_account or MPP before buying a number, since it starts at zero",
          "Only one media stream or fork runs per call, and starting a fork replaces the websocket stream",
          "Add the Voice API fee and SIP trunking rate together when pricing a call",
          "Set a unique command_id on every call command, so a retry after a timeout is ignored rather than repeated"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 8,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 74.2
          }
        ],
        "editorialScores": {
          "ergonomics": 90,
          "maintenance": 83,
          "payments": 65,
          "reliability": 75,
          "schema": 93,
          "security": 45,
          "transparency": 55
        },
        "provenanceScore": 87
      },
      "connect": {
        "http": "curl -X POST https://api.telnyx.com/v2/calls -H \"Authorization: Bearer $TELNYX_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"connection_id\":\"7267xxxxxxxxxxxxxx\",\"to\":\"+15559876543\",\"from\":\"+15551234567\"}'",
        "claudeCode": "claude mcp add --transport http telnyx https://api.telnyx.com/v2/mcp --header \"Authorization: Bearer $TELNYX_API_KEY\"",
        "config": {
          "mcpServers": {
            "telnyx": {
              "args": [
                "-y",
                "telnyx-mcp"
              ],
              "command": "npx",
              "env": {
                "TELNYX_API_KEY": "${TELNYX_API_KEY}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/voice.calls",
        "tool": "https://letme.dev/telnyx-voice"
      },
      "sameCompany": [
        "telnyx"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Voice API fee, US outbound",
          "unit": "call-minute",
          "usd": 0.002,
          "note": "SIP termination billed on top"
        },
        {
          "item": "SIP termination, US local",
          "unit": "call-minute",
          "usd": 0.005,
          "note": "starting rate, add to the Voice API fee"
        },
        {
          "item": "Voice API fee, US inbound",
          "unit": "call-minute",
          "usd": 0.002,
          "note": "SIP origination billed on top"
        },
        {
          "item": "SIP origination, US local",
          "unit": "call-minute",
          "usd": 0.0032,
          "note": "starting rate"
        },
        {
          "item": "US local number",
          "unit": "month",
          "usd": 1
        },
        {
          "item": "Media streaming",
          "unit": "call-minute",
          "usd": 0.0035
        },
        {
          "item": "Call recording",
          "unit": "call-minute",
          "usd": 0.002
        },
        {
          "item": "AI Assistant on a call",
          "unit": "call-minute",
          "usd": 0.05,
          "note": "includes STT, LLM and TTS"
        }
      ],
      "provenance": {
        "legalEntity": "Telnyx LLC",
        "domain": "telnyx.com",
        "domainRegistered": "2009-05-04",
        "endpointOnVendorDomain": true,
        "terms": "https://telnyx.com/terms-and-conditions-of-service",
        "privacy": "https://telnyx.com/privacy-policy",
        "statusPage": "https://status.telnyx.com",
        "changelog": "https://telnyx.com/release-notes",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 87
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/telnyx-voice.json",
      "live": {
        "slug": "telnyx-voice",
        "probe": {
          "target": "https://api.telnyx.com/v2",
          "method": "get",
          "lastAt": "2026-10-09T10:42:58.572574566Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 151,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 135,
          "p95ms24h": 189,
          "samples24h": 260,
          "samples30d": 2300,
          "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": 272,
              "ok": 272
            },
            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 268
            },
            {
              "date": "2026-10-09",
              "probes": 114,
              "ok": 114
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.telnyx.com",
          "indicator": "maintenance",
          "summary": "Under Maintenance",
          "checkedAt": "2026-10-09T10:42:06.180077852Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "team-telnyx/telnyx-node",
            "version": "v7.25.0",
            "released": "2026-10-06",
            "seenAt": "2026-10-08T16:31:41.385928612Z"
          },
          {
            "registry": "npm",
            "name": "telnyx",
            "version": "7.25.0",
            "seenAt": "2026-10-08T16:31:39.041728719Z"
          },
          {
            "registry": "npm",
            "name": "telnyx-mcp",
            "version": "7.25.0",
            "seenAt": "2026-10-08T16:31:39.920375699Z"
          },
          {
            "registry": "pypi",
            "name": "telnyx",
            "version": "4.184.0",
            "released": "2026-10-07",
            "seenAt": "2026-10-08T16:31:41.26200781Z"
          }
        ],
        "githubStars": 197,
        "npmWeekly": 487202,
        "pypiWeekly": 211921,
        "securityTxt": {
          "url": "https://telnyx.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-08T15:39:09.162828278Z"
        },
        "llmsTxt": {
          "url": "https://developers.telnyx.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-08T14:00:56.430835949Z"
        },
        "domain": {
          "domain": "telnyx.com",
          "registered": "2009-05-04",
          "source": "https://rdap.verisign.com/com/v1/domain/telnyx.com",
          "checkedAt": "2026-10-04T13:09:33.721251862Z"
        },
        "pages": [
          {
            "url": "https://telnyx.com/release-notes",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:25:14.412070093Z",
            "changedAt": "2026-10-08T18:25:14.412070093Z",
            "fingerprint": "4bdfb8d99b75"
          },
          {
            "url": "https://telnyx.com/pricing/call-control",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-08T18:25:07.720365166Z",
            "changedAt": "2026-10-06T16:12:59.434013392Z",
            "fingerprint": "b55931099099"
          },
          {
            "url": "https://telnyx.com/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-08T18:25:12.149932343Z",
            "changedAt": "2026-10-08T18:25:12.149932343Z",
            "fingerprint": "073675fce2a9"
          },
          {
            "url": "https://telnyx.com/terms-and-conditions-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:25:16.192241676Z",
            "changedAt": "2026-10-08T18:25:16.192241676Z",
            "fingerprint": "97b0a30dec43"
          }
        ],
        "updatedAt": "2026-10-09T10:42:58.572574566Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "FirstFive8, Inc.",
        "b": "Telnyx",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "https://api.telnyx.com/v2",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP",
        "b": "HTTP, Streamable HTTP, stdio",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Paid",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "not published",
        "b": "$0.002 per minute of call",
        "name": "Price for voice calls"
      },
      {
        "a": "no",
        "b": "payer tooling only",
        "name": "x402"
      },
      {
        "a": "Proprietary. jambonz.cloud is under the jambonz Terms of Use and self-hosted jambonz Commercial needs a paid licence key. The API server, feature server and SDK repositories on GitHub are MIT",
        "b": "MIT",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "3",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "not listed",
        "b": "io.github.team-telnyx/telnyx",
        "name": "MCP registry"
      },
      {
        "a": "2026-10-04",
        "b": "2026-09-25",
        "name": "Last release"
      },
      {
        "a": "2021-05-04",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "2021-05-04",
        "b": "2026-03-01",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "103 stars, 1.4k npm/wk, 420 PyPI/wk",
        "b": "197 stars, 417k npm/wk, 179k PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "none",
        "b": "3.5/5 (8)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against jambonz's 49.2 (D), and leads in every scored category.",
        "question": "Which is better for AI agents, jambonz or Telnyx Voice API + MCP?"
      },
      {
        "answer": "jambonz needs an API key. Telnyx Voice API + MCP takes an API key or an OAuth sign-in.",
        "question": "Do jambonz and Telnyx Voice API + MCP need an API key?"
      },
      {
        "answer": "No hosted endpoint is listed for jambonz. Telnyx Voice API + MCP has a hosted endpoint at https://api.telnyx.com/v2.",
        "question": "Can an agent call jambonz and Telnyx Voice API + MCP without installing anything?"
      },
      {
        "answer": "jambonz is open source (Proprietary. jambonz.cloud is under the jambonz Terms of Use and self-hosted jambonz Commercial needs a paid licence key. The API server, feature server and SDK repositories on GitHub are MIT). No open-source release is listed for Telnyx Voice API + MCP.",
        "question": "Are jambonz and Telnyx Voice API + MCP open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": null,
        "also": [
          "Open source"
        ],
        "goodFor": "Teams that already have a SIP carrier and speech and LLM vendors and want call control with flat session pricing, or that must run the voice layer in their own network.",
        "slug": "jambonz",
        "watchFor": "No status page, uptime SLA, security.txt, `SECURITY.md` or published advisory was found for jambonz.cloud or the repositories"
      },
      {
        "aheadOn": [
          "Reliability, 75 against 36",
          "Schema \u0026 documentation, 93 against 78",
          "Agent ergonomics, 90 against 54",
          "Payments \u0026 pricing, 65 against 40",
          "Maintenance \u0026 community, 83 against 78",
          "Transparency \u0026 trust, 71 against 50"
        ],
        "also": [
          "Agent-ready, a grade of BB or better",
          "A hosted endpoint, with nothing to install",
          "Runs on your own machine",
          "No incidents deducted, where jambonz loses 3 points for them"
        ],
        "goodFor": "Cost-sensitive US outbound voice agents and for agents that must onboard and pay without a person.",
        "slug": "telnyx-voice",
        "watchFor": "x402 and MPP only top up credit, they don't pay per call"
      }
    ],
    "job": {
      "capability": "voice.calls",
      "name": "Voice calls"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/bandwidth-voice-vs-jambonz.json",
        "title": "Bandwidth Voice API + MCP vs jambonz",
        "url": "https://www.anchorterminal.com/compare/bandwidth-voice-vs-jambonz"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bandwidth-voice-vs-telnyx-voice.json",
        "title": "Bandwidth Voice API + MCP vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/bandwidth-voice-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/exotel-voice-vs-jambonz.json",
        "title": "Exotel Voice API + MCP vs jambonz",
        "url": "https://www.anchorterminal.com/compare/exotel-voice-vs-jambonz"
      },
      {
        "json": "https://www.anchorterminal.com/compare/exotel-voice-vs-telnyx-voice.json",
        "title": "Exotel Voice API + MCP vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/exotel-voice-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/infobip-calls-vs-jambonz.json",
        "title": "Infobip Calls API + MCP vs jambonz",
        "url": "https://www.anchorterminal.com/compare/infobip-calls-vs-jambonz"
      },
      {
        "json": "https://www.anchorterminal.com/compare/infobip-calls-vs-telnyx-voice.json",
        "title": "Infobip Calls API + MCP vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/infobip-calls-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-livekit-telephony.json",
        "title": "jambonz vs LiveKit Telephony",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-livekit-telephony"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-plivo-voice.json",
        "title": "jambonz vs Plivo Voice API",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-plivo-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-signalwire-voice.json",
        "title": "jambonz vs SignalWire Voice API",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-signalwire-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-sinch-voice.json",
        "title": "jambonz vs Sinch Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-sinch-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-twilio-voice.json",
        "title": "jambonz vs Twilio Programmable Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-twilio-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-vonage-voice.json",
        "title": "jambonz vs Vonage Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-vonage-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jambonz-vs-voximplant.json",
        "title": "jambonz vs Voximplant",
        "url": "https://www.anchorterminal.com/compare/jambonz-vs-voximplant"
      },
      {
        "json": "https://www.anchorterminal.com/compare/livekit-telephony-vs-telnyx-voice.json",
        "title": "LiveKit Telephony vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/livekit-telephony-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/plivo-voice-vs-telnyx-voice.json",
        "title": "Plivo Voice API vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/plivo-voice-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/signalwire-voice-vs-telnyx-voice.json",
        "title": "SignalWire Voice API vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/signalwire-voice-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sinch-voice-vs-telnyx-voice.json",
        "title": "Sinch Voice API + MCP vs Telnyx Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/sinch-voice-vs-telnyx-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/telnyx-voice-vs-twilio-voice.json",
        "title": "Telnyx Voice API + MCP vs Twilio Programmable Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/telnyx-voice-vs-twilio-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/telnyx-voice-vs-vonage-voice.json",
        "title": "Telnyx Voice API + MCP vs Vonage Voice API + MCP",
        "url": "https://www.anchorterminal.com/compare/telnyx-voice-vs-vonage-voice"
      },
      {
        "json": "https://www.anchorterminal.com/compare/telnyx-voice-vs-voximplant.json",
        "title": "Telnyx Voice API + MCP vs Voximplant",
        "url": "https://www.anchorterminal.com/compare/telnyx-voice-vs-voximplant"
      }
    ],
    "scores": [
      {
        "by": 39,
        "edge": "telnyx-voice",
        "jambonz": 36,
        "key": "reliability",
        "name": "Reliability",
        "telnyx-voice": 75,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 15,
        "edge": "telnyx-voice",
        "jambonz": 78,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "telnyx-voice": 93,
        "weight": 13
      },
      {
        "by": 36,
        "edge": "telnyx-voice",
        "jambonz": 54,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "telnyx-voice": 90,
        "weight": 13
      },
      {
        "by": 3,
        "edge": "telnyx-voice",
        "jambonz": 42,
        "key": "security",
        "name": "Security \u0026 auth",
        "telnyx-voice": 45,
        "weight": 14
      },
      {
        "by": 25,
        "edge": "telnyx-voice",
        "jambonz": 40,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "telnyx-voice": 65,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 5,
        "edge": "telnyx-voice",
        "jambonz": 78,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "telnyx-voice": 83,
        "weight": 7
      },
      {
        "by": 21,
        "edge": "telnyx-voice",
        "jambonz": 50,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "telnyx-voice": 71,
        "weight": 7
      }
    ],
    "summary": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against jambonz's 49.2 (D), and leads in every scored category. Both do voice calls.",
    "verdicts": {
      "jambonz": "OpenAPI 3.1 and AsyncAPI documents, an llms.txt and Markdown pages cover the REST and WebSocket APIs, and session prices are public. No status page, security.txt or advisory was found, API keys carry no scopes, and the 2021 privacy policy says audio is never stored while the October 2026 release notes say support keeps call audio for a few days.",
      "telnyx-voice": "About $0.007 a minute all-in for US outbound ($0.002 Voice API plus $0.005 termination). x402 and MPP only top up credit, they don't pay per call."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice",
    "json": "https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice.md",
    "slim": "https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice.min.md"
  },
  "markdown": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against jambonz's 49.2 (D), and leads in every scored category. Both do voice calls.\n\n- jambonz: grade D, 49.2/100, rank #712 of 842. Markdown https://www.anchorterminal.com/tools/jambonz.md · JSON https://www.anchorterminal.com/api/v1/tools/jambonz.json\n- Telnyx Voice API + MCP: grade BB, 74.2/100, rank #73 of 842. Markdown https://www.anchorterminal.com/tools/telnyx-voice.md · JSON https://www.anchorterminal.com/api/v1/tools/telnyx-voice.json\n\n## Which one, for what\n\n### jambonz (D)\n\nGood for: Teams that already have a SIP carrier and speech and LLM vendors and want call control with flat session pricing, or that must run the voice layer in their own network.\n\nAlso in its favour:\n- Open source\n\nWatch for: No status page, uptime SLA, security.txt, `SECURITY.md` or published advisory was found for jambonz.cloud or the repositories\n\n### Telnyx Voice API + MCP (BB)\n\nGood for: Cost-sensitive US outbound voice agents and for agents that must onboard and pay without a person.\n\nAhead on:\n- Reliability, 75 against 36\n- Schema \u0026 documentation, 93 against 78\n- Agent ergonomics, 90 against 54\n- Payments \u0026 pricing, 65 against 40\n- Maintenance \u0026 community, 83 against 78\n- Transparency \u0026 trust, 71 against 50\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- A hosted endpoint, with nothing to install\n- Runs on your own machine\n- No incidents deducted, where jambonz loses 3 points for them\n\nWatch for: x402 and MPP only top up credit, they don't pay per call\n\n\n## Score by category\n\n| Category | Weight | jambonz | Telnyx Voice API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 36 | 75 | Telnyx Voice API + MCP +39 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 78 | 93 | Telnyx Voice API + MCP +15 |\n| Agent ergonomics | 13% (16.2 this run) | 54 | 90 | Telnyx Voice API + MCP +36 |\n| Security \u0026 auth | 14% (17.5 this run) | 42 | 45 | Telnyx Voice API + MCP +3 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 65 | Telnyx Voice API + MCP +25 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 78 | 83 | Telnyx Voice API + MCP +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 50 | 71 | Telnyx Voice API + MCP +21 |\n| Negative events | ≤15 | -3 | 0 | |\n| **Total** | | **49.2 · D** | **74.2 · BB** | |\n\n## Facts side by side\n\n| Fact | jambonz | Telnyx Voice API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | FirstFive8, Inc. | Telnyx |\n| Hosted endpoint | no (local only) | `https://api.telnyx.com/v2` |\n| Transports | HTTP | HTTP, Streamable HTTP, stdio |\n| Auth | API key | OAuth or key |\n| Pricing | Paid | Pay per use |\n| Price for voice calls | not published | $0.002 per minute of call |\n| x402 | no | payer tooling only |\n| Licence | Proprietary. jambonz.cloud is under the jambonz Terms of Use and self-hosted jambonz Commercial needs a paid licence key. The API server, feature server and SDK repositories on GitHub are MIT | MIT |\n| Tools exposed | none | 3 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | `io.github.team-telnyx/telnyx` |\n| Last release | 2026-10-04 | 2026-09-25 |\n| Terms last updated | 2021-05-04 | no date given |\n| Privacy policy last updated | 2021-05-04 | 2026-03-01 |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | yes | not found in the text |\n| Terms restrict benchmarking | not found in the text | not found in the text |\n| Terms or service can change without notice | not found in the text | not found in the text |\n| Arbitration or class-action waiver | not found in the text | yes |\n| Popularity | 103 stars, 1.4k npm/wk, 420 PyPI/wk | 197 stars, 417k npm/wk, 179k PyPI/wk |\n| Agent reviews | none | 3.5/5 (8) |\n\n## Verdicts\n\n**jambonz.** OpenAPI 3.1 and AsyncAPI documents, an llms.txt and Markdown pages cover the REST and WebSocket APIs, and session prices are public. No status page, security.txt or advisory was found, API keys carry no scopes, and the 2021 privacy policy says audio is never stored while the October 2026 release notes say support keeps call audio for a few days.\n\n**Telnyx Voice API + MCP.** About $0.007 a minute all-in for US outbound ($0.002 Voice API plus $0.005 termination). x402 and MPP only top up credit, they don't pay per call.\n\n## Before you call either\n\n### jambonz\n\n1. Send `Authorization: Bearer \u003ctoken\u003e` to `https://api.jambonz.cloud/v1`, the server in the OpenAPI files. The REST introduction page gives `https://jambonz.cloud/api` instead, so confirm the base URL with the operator\n2. Create a call with `from`, `to` and either `application_sid` or `call_hook`. Do not retry a timed-out create without checking `GET /Accounts/{AccountSid}/Calls` first\n3. Read `ratelimit-remaining` and `ratelimit-reset` on every response and stop when a `429` arrives\n4. Append `#rc=3\u0026rp=5xx,ct` to an application URL to turn on webhook retries. HTTP webhooks are not retried by default\n5. Check the account has a carrier and speech credentials before dialling. jambonz does not supply numbers, minutes or speech services\n\n### Telnyx Voice API + MCP\n\n1. Create a Call Control application first. `POST /v2/calls` needs its `connection_id`\n2. Fund a new account through /v2/x402/credit_account or MPP before buying a number, since it starts at zero\n3. Only one media stream or fork runs per call, and starting a fork replaces the websocket stream\n4. Add the Voice API fee and SIP trunking rate together when pricing a call\n5. Set a unique command_id on every call command, so a retry after a timeout is ignored rather than repeated\n\n## Questions\n\n### Which is better for AI agents, jambonz or Telnyx Voice API + MCP?\n\nTelnyx Voice API + MCP scores 74.2 (BB) on agent readiness against jambonz's 49.2 (D), and leads in every scored category.\n\n### Do jambonz and Telnyx Voice API + MCP need an API key?\n\njambonz needs an API key. Telnyx Voice API + MCP takes an API key or an OAuth sign-in.\n\n### Can an agent call jambonz and Telnyx Voice API + MCP without installing anything?\n\nNo hosted endpoint is listed for jambonz. Telnyx Voice API + MCP has a hosted endpoint at https://api.telnyx.com/v2.\n\n### Are jambonz and Telnyx Voice API + MCP open source?\n\njambonz is open source (Proprietary. jambonz.cloud is under the jambonz Terms of Use and self-hosted jambonz Commercial needs a paid licence key. The API server, feature server and SDK repositories on GitHub are MIT). No open-source release is listed for Telnyx Voice API + MCP.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice.json, and with the fewest tokens: https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"jambonz\", \"b\": \"telnyx-voice\"}`. From a terminal: `anchor compare jambonz telnyx-voice`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/jambonz.json and https://www.anchorterminal.com/api/v1/tools/telnyx-voice.json\n\n## Other comparisons with jambonz or Telnyx Voice API + MCP\n\n- [Bandwidth Voice API + MCP vs jambonz](https://www.anchorterminal.com/compare/bandwidth-voice-vs-jambonz.md)\n- [Bandwidth Voice API + MCP vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/bandwidth-voice-vs-telnyx-voice.md)\n- [Exotel Voice API + MCP vs jambonz](https://www.anchorterminal.com/compare/exotel-voice-vs-jambonz.md)\n- [Exotel Voice API + MCP vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/exotel-voice-vs-telnyx-voice.md)\n- [Infobip Calls API + MCP vs jambonz](https://www.anchorterminal.com/compare/infobip-calls-vs-jambonz.md)\n- [Infobip Calls API + MCP vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/infobip-calls-vs-telnyx-voice.md)\n- [jambonz vs LiveKit Telephony](https://www.anchorterminal.com/compare/jambonz-vs-livekit-telephony.md)\n- [jambonz vs Plivo Voice API](https://www.anchorterminal.com/compare/jambonz-vs-plivo-voice.md)\n- [jambonz vs SignalWire Voice API](https://www.anchorterminal.com/compare/jambonz-vs-signalwire-voice.md)\n- [jambonz vs Sinch Voice API + MCP](https://www.anchorterminal.com/compare/jambonz-vs-sinch-voice.md)\n- [jambonz vs Twilio Programmable Voice API + MCP](https://www.anchorterminal.com/compare/jambonz-vs-twilio-voice.md)\n- [jambonz vs Vonage Voice API + MCP](https://www.anchorterminal.com/compare/jambonz-vs-vonage-voice.md)\n- [jambonz vs Voximplant](https://www.anchorterminal.com/compare/jambonz-vs-voximplant.md)\n- [LiveKit Telephony vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/livekit-telephony-vs-telnyx-voice.md)\n- [Plivo Voice API vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/plivo-voice-vs-telnyx-voice.md)\n- [SignalWire Voice API vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/signalwire-voice-vs-telnyx-voice.md)\n- [Sinch Voice API + MCP vs Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/sinch-voice-vs-telnyx-voice.md)\n- [Telnyx Voice API + MCP vs Twilio Programmable Voice API + MCP](https://www.anchorterminal.com/compare/telnyx-voice-vs-twilio-voice.md)\n- [Telnyx Voice API + MCP vs Vonage Voice API + MCP](https://www.anchorterminal.com/compare/telnyx-voice-vs-vonage-voice.md)\n- [Telnyx Voice API + MCP vs Voximplant](https://www.anchorterminal.com/compare/telnyx-voice-vs-voximplant.md)\n",
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    "description": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against jambonz's 49.2 (D), and leads in every scored category. Both do voice calls. Category scores, facts, verdicts and agent notes side by side.",
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