{
  "data": {
    "a": {
      "slug": "didww-voice-and-number-management",
      "name": "DIDWW Voice and Number Management API",
      "vendor": "DIDWW Ireland Limited",
      "vendorUrl": "https://www.didww.com",
      "kind": "http-api",
      "category": "voice-calling",
      "summary": "DIDWW is a telecoms carrier selling phone numbers in more than 90 countries with inbound and outbound SIP trunking. Its REST API v3 orders numbers and configures trunks and capacity, and a remote MCP server covers the same account tasks.",
      "url": "https://www.anchorterminal.com/tools/didww-voice-and-number-management",
      "markdownUrl": "https://www.anchorterminal.com/tools/didww-voice-and-number-management.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/didww-voice-and-number-management.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/didww-voice-and-number-management.json",
      "repo": "https://github.com/didww/didww-api-3-openapi",
      "license": "Proprietary service under the DIDWW Terms and Agreements (Rev 3.1). The OpenAPI repository and the official SDKs are MIT",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.didww.com/mcp",
      "packages": [
        {
          "registry": "npm",
          "name": "@didww/sdk"
        },
        {
          "registry": "pypi",
          "name": "didww"
        }
      ],
      "auth": "api-key",
      "authNotes": "REST API v3 takes an API key in the `Api-Key` header with no `Bearer` prefix. Keys are created by a signed-in person in the User Panel under APIs, DIDWW API 3, with a friendly name and an optional source IP allow list. No scopes or read-only keys were found. Production and sandbox keys are separate. Access is self-serve after a browser sign-up with email confirmation. Outbound trunks need an approved application. The MCP server at `https://api.didww.com/mcp` uses OAuth 2.0 with PKCE and dynamic client registration, a browser sign-in and the user's panel roles, with tokens lasting two hours.",
      "pricing": "usage",
      "pricingNotes": "No per-number or per-minute price is public. Price lists are requested through a form or read inside an account or through the API. Accounts are free and prepaid in US dollars, with a $30 minimum balance before ordering and a $100 minimum for wire transfers. A number costs a one-time fee equal to one month's charge, waived for API orders, plus a monthly charge. Inbound capacity is flat-rate per channel or per minute, and outbound termination is per minute. The sandbox is free and takes Stripe test cards (https://www.didww.com/pricing.md, checked 2026-10-09).",
      "priceSummary": "Pay per use",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the OpenAPI document, the docs indexes, the authentication guide or the pricing page (checked 2026-10-09).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 10,
        "npmWeekly": 462,
        "pypiWeekly": null,
        "asOf": "2026-10-09"
      },
      "docsUrl": "https://doc.didww.com/api3/2026-04-16/index.html",
      "llmsTxt": "https://doc.didww.com/llms.txt",
      "openapi": "https://doc.didww.com/openapi/2026-04-16/v3_api.json",
      "capabilities": [
        "voice.numbers",
        "voice.sip"
      ],
      "tags": [
        "hosted",
        "sip",
        "phone-numbers",
        "openapi",
        "llms-txt",
        "mcp",
        "oauth",
        "sandbox",
        "typescript",
        "python",
        "webhooks",
        "prepaid"
      ],
      "lastRelease": "2026-10-07",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 65.1,
        "grade": "B",
        "agentReady": false,
        "rank": 330,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 5,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 77,
          "maintenance": 83,
          "payments": 15,
          "reliability": 66,
          "schema": 87,
          "security": 57,
          "transparency": 70
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-09"
        },
        "negative": 0,
        "verdict": "An OpenAPI 3.0.3 document with 107 operations, Markdown docs, a free sandbox and SDKs in seven languages cover number ordering and SIP trunk set-up. No per-number or per-minute price is public, API keys carry no scopes, orders have no idempotency key, and outbound calling needs an approved application. Calls travel over SIP only.",
        "bestFor": "Teams that run their own SIP system, or a voice agent platform that accepts SIP trunks, and need numbers in many countries with compliance records handled through an API.",
        "strengths": [
          "A public OpenAPI 3.0.3 document describes 107 operations on 67 paths, and 105 of them carry a description of purpose and behaviour",
          "Every docs page has a Markdown twin, with llms.txt indexes on both sites, an OpenAPI discovery manifest and an MCP server card",
          "A sandbox at `https://sandbox-api.didww.com/v3` is free, separate from production, and funded with Stripe test cards",
          "The versioning policy says released dated API versions are never retired, and an account stays on its version until a person upgrades it",
          "The MCP server shows a server-side preview and waits for confirmation before purchases, deletions and PSTN rate acceptance, and a confirmation works once",
          "Official SDKs for TypeScript, Python, PHP, Java, Go, .NET and Ruby are public under MIT, with Ruby, Python and TypeScript tagged on 7 October 2026"
        ],
        "weaknesses": [
          "No per-number or per-minute price is published. Price lists are sent on request or shown inside an account, and a $30 balance is needed before ordering",
          "REST API keys reach the whole account. An optional source IP allow list is the only restriction, with no scopes and no read-only key",
          "No idempotency key was found on `POST /orders`, which charges the prepaid balance at once, so a retried request can buy twice",
          "The API cannot place, answer, record or stream a call. Calls run over the customer's own SIP system, and Call Events webhooks are switched on by support",
          "Outbound trunks need an approved application from a business account with a company name and VAT or tax ID",
          "Callback signing moved from an API key to a separate callback secret on 6 October 2026, and the 2026-04-16 changelog page does not record it",
          "No security.txt, disclosure policy, bug bounty, uptime SLA, data processing agreement or sub-processor list was found",
          "The terms forbid auto-dialling, telemarketing and continuous or extensive call forwarding, which matters before an agent places outbound calls"
        ],
        "agentNotes": [
          "Send `Api-Key: \u003ckey\u003e` with no `Bearer` prefix, plus `Accept: application/vnd.api+json`, and `Content-Type: application/vnd.api+json` on every request with a body",
          "Set `X-DIDWW-API-Version: 2026-04-16` on each request and read `meta.api_version` in the reply. A header older than the account's version is ignored",
          "Before retrying a timed-out `POST /orders`, list `GET /orders` first. The order is charged to the balance at once and no idempotency key exists",
          "Stay under 20 requests a second per key. On `429` wait before retrying, since no `Retry-After` header is documented",
          "Use `fields[...]`, `filter[...]`, `include` and `page[size]` (default 50, maximum 100) to keep JSON:API replies small",
          "Check `GET /address_requirements` before buying a number. Many countries need a verified identity and address, and the sandbox cannot run identity verification",
          "Create and enable a callback secret in the User Panel before relying on callbacks. Without one nothing is sent, and receivers must verify `X-DIDWW-Signature`"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 65.1
          }
        ],
        "editorialScores": {
          "ergonomics": 77,
          "maintenance": 83,
          "payments": 15,
          "reliability": 66,
          "schema": 87,
          "security": 57,
          "transparency": 55
        },
        "provenanceScore": 85
      },
      "connect": {
        "install": "npm install @didww/sdk",
        "http": "GET https://api.didww.com/v3/countries\nApi-Key: YOUR_API_KEY\nX-DIDWW-API-Version: 2026-04-16\nAccept: application/vnd.api+json"
      },
      "letme": {
        "capability": "https://letme.dev/voice.numbers",
        "tool": "https://letme.dev/didww-voice-and-number-management"
      },
      "area": "voice",
      "provenance": {
        "legalEntity": "DIDWW Ireland Limited",
        "domain": "didww.com",
        "domainRegistered": "2006-01-16",
        "endpointOnVendorDomain": true,
        "terms": "https://www.didww.com/DIDWW-Terms-and-Agreements",
        "privacy": "https://www.didww.com/privacy-notice",
        "statusPage": "https://status.didww.com",
        "changelog": "https://doc.didww.com/api3/2026-04-16/changelog.html",
        "securityTxt": "none",
        "checked": "2026-10-09",
        "notes": [
          "The terms link is the DIDWW Terms and Agreements, Rev 3.1, copyright 2026, between the customer and DIDWW Ireland Limited of 25 North Wall Quay, Dublin 1. It covers all DIDWW services and refers to a Service Appendix.",
          "The Privacy Notice is Rev 2.1, copyright 2025. It gives the company number as 473521 and names gdpr@didww.com for requests. No data processing agreement or sub-processor list was found.",
          "The REST API and the MCP server answer on api.didww.com and the sandbox on sandbox-api.didww.com.",
          "The status page runs on Instatus with eight components, among them DIDWW API, Inbound Voice and Outbound Voice.",
          "https://www.didww.com/.well-known/security.txt returned 404.",
          "RDAP for didww.com gives a registration date of 2006-01-16.",
          "The changelog link is the page for API version 2026-04-16. Its entries are not dated. Dated revisions are in the commit history of github.com/didww/didww-api-3-openapi.",
          "No clause on automated access, scraping or benchmarking was found in the Terms and Agreements. robots.txt on www.didww.com and doc.didww.com allows the pages read.",
          "https://api.didww.com/robots.txt answered 403, so no request was sent to that host and the OAuth metadata was not read."
        ],
        "score": 85
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/didww-voice-and-number-management.json",
      "live": {
        "slug": "didww-voice-and-number-management",
        "probe": {
          "target": "https://api.didww.com/mcp",
          "method": "get",
          "lastAt": "2026-10-10T03:07:03.494188648Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 395,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 394,
          "p95ms24h": 527,
          "samples24h": 117,
          "samples30d": 117,
          "days": [
            {
              "date": "2026-10-09",
              "probes": 85,
              "ok": 85
            },
            {
              "date": "2026-10-10",
              "probes": 32,
              "ok": 32
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.didww.com",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-10T00:50:25.908796867Z"
        },
        "versions": [
          {
            "registry": "npm",
            "name": "@didww/sdk",
            "version": "3.1.1",
            "seenAt": "2026-10-09T16:49:43.396621514Z"
          },
          {
            "registry": "pypi",
            "name": "didww",
            "version": "3.2.0",
            "released": "2026-10-08",
            "seenAt": "2026-10-09T16:49:44.365849676Z"
          }
        ],
        "githubStars": 10,
        "npmWeekly": 462,
        "pypiWeekly": 915,
        "pages": [
          {
            "url": "https://doc.didww.com/api3/2026-04-16/changelog.html",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-09T18:36:22.294016104Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "7d9c86f4f536"
          },
          {
            "url": "https://www.didww.com/pricing.md",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:49:33.776952203Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "60eebb22a63e"
          },
          {
            "url": "https://www.didww.com/privacy-notice",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-09T18:49:35.769637352Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "a193b3f64bb0"
          },
          {
            "url": "https://www.didww.com/DIDWW-Terms-and-Agreements",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:49:31.750868001Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "2568f2c611f6"
          }
        ],
        "updatedAt": "2026-10-10T03:07:03.494188648Z"
      }
    },
    "answer": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against DIDWW Voice and Number Management API's 65.1 (B), and leads in 5 of 7 scored categories. DIDWW Voice and Number Management API leads on security \u0026 auth.",
    "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": 74,
        "ranked": true,
        "rankOf": 950,
        "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": "2026-10-10T03:07:23.48214082Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 127,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 138,
          "p95ms24h": 186,
          "samples24h": 249,
          "samples30d": 2468,
          "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
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            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 272
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            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 272
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            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 268
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            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-10",
              "probes": 32,
              "ok": 32
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          ]
        },
        "vendorStatus": {
          "page": "https://status.telnyx.com",
          "indicator": "maintenance",
          "summary": "Under Maintenance",
          "checkedAt": "2026-10-10T03:02:40.97003515Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "team-telnyx/telnyx-node",
            "version": "v7.25.0",
            "released": "2026-10-06",
            "seenAt": "2026-10-09T17:23:45.021303772Z"
          },
          {
            "registry": "npm",
            "name": "telnyx",
            "version": "7.25.0",
            "seenAt": "2026-10-09T17:23:42.347460586Z"
          },
          {
            "registry": "npm",
            "name": "telnyx-mcp",
            "version": "7.25.0",
            "seenAt": "2026-10-09T17:23:43.241172379Z"
          },
          {
            "registry": "pypi",
            "name": "telnyx",
            "version": "4.184.0",
            "released": "2026-10-07",
            "seenAt": "2026-10-09T17:23:44.826124577Z"
          }
        ],
        "githubStars": 197,
        "npmWeekly": 397515,
        "pypiWeekly": 216976,
        "securityTxt": {
          "url": "https://telnyx.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-09T15:39:11.634596258Z"
        },
        "llmsTxt": {
          "url": "https://developers.telnyx.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-09T14:02:53.105582334Z"
        },
        "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": "2026-10-09T18:46:42.18580913Z",
            "changedAt": "2026-10-09T18:46:42.18580913Z",
            "fingerprint": "3cea3ea669a3"
          },
          {
            "url": "https://telnyx.com/pricing/call-control",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:46:35.443875956Z",
            "changedAt": "2026-10-09T18:46:35.443875956Z",
            "fingerprint": "f098a66bb8f9"
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          {
            "url": "https://telnyx.com/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-09T18:46:39.85469737Z",
            "changedAt": "2026-10-09T18:46:39.85469737Z",
            "fingerprint": "03379ae2ed03"
          },
          {
            "url": "https://telnyx.com/terms-and-conditions-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:46:43.50734008Z",
            "changedAt": "2026-10-09T18:46:43.50734008Z",
            "fingerprint": "0cf3ae71ee70"
          }
        ],
        "updatedAt": "2026-10-10T03:07:23.48214082Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "DIDWW Ireland Limited",
        "b": "Telnyx",
        "name": "Vendor"
      },
      {
        "a": "https://api.didww.com/mcp",
        "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": "Pay per use",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "not published",
        "b": "$1 per month (plan)",
        "name": "Price for phone numbers"
      },
      {
        "a": "no",
        "b": "payer tooling only",
        "name": "x402"
      },
      {
        "a": "Proprietary service under the DIDWW Terms and Agreements (Rev 3.1). The OpenAPI repository and the official SDKs are MIT",
        "b": "MIT",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "3",
        "name": "Tools exposed"
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      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
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      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
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      {
        "a": "not listed",
        "b": "io.github.team-telnyx/telnyx",
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      {
        "a": "2026-10-07",
        "b": "2026-09-25",
        "name": "Last release"
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      {
        "a": "no date given",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "no date given",
        "b": "2026-03-01",
        "name": "Privacy policy last updated"
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      {
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        "name": "Customer content may train models"
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        "a": "not found in the text",
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        "name": "Terms restrict automated access"
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        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
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      {
        "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": "10 stars, 462 npm/wk",
        "b": "197 stars, 417k npm/wk, 179k PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "none",
        "b": "3.5/5 (8)",
        "name": "Agent reviews"
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    ],
    "faq": [
      {
        "answer": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against DIDWW Voice and Number Management API's 65.1 (B), and leads in 5 of 7 scored categories. DIDWW Voice and Number Management API leads on security \u0026 auth.",
        "question": "Which is better for AI agents, DIDWW Voice and Number Management API or Telnyx Voice API + MCP?"
      },
      {
        "answer": "DIDWW Voice and Number Management API needs an API key. Telnyx Voice API + MCP takes an API key or an OAuth sign-in.",
        "question": "Do DIDWW Voice and Number Management API and Telnyx Voice API + MCP need an API key?"
      },
      {
        "answer": "Yes. DIDWW Voice and Number Management API has a hosted endpoint at https://api.didww.com/mcp and Telnyx Voice API + MCP at https://api.telnyx.com/v2.",
        "question": "Can an agent call DIDWW Voice and Number Management API and Telnyx Voice API + MCP without installing anything?"
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        "goodFor": "Teams that run their own SIP system, or a voice agent platform that accepts SIP trunks, and need numbers in many countries with compliance records handled through an API.",
        "slug": "didww-voice-and-number-management",
        "watchFor": "No per-number or per-minute price is published. Price lists are sent on request or shown inside an account, and a $30 balance is needed before ordering"
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          "Schema \u0026 documentation, 93 against 87",
          "Agent ergonomics, 90 against 77",
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    "scores": [
      {
        "by": 9,
        "didww-voice-and-number-management": 66,
        "edge": "telnyx-voice",
        "key": "reliability",
        "name": "Reliability",
        "telnyx-voice": 75,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 6,
        "didww-voice-and-number-management": 87,
        "edge": "telnyx-voice",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "telnyx-voice": 93,
        "weight": 13
      },
      {
        "by": 13,
        "didww-voice-and-number-management": 77,
        "edge": "telnyx-voice",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "telnyx-voice": 90,
        "weight": 13
      },
      {
        "by": 12,
        "didww-voice-and-number-management": 57,
        "edge": "didww-voice-and-number-management",
        "key": "security",
        "name": "Security \u0026 auth",
        "telnyx-voice": 45,
        "weight": 14
      },
      {
        "by": 50,
        "didww-voice-and-number-management": 15,
        "edge": "telnyx-voice",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "telnyx-voice": 65,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 0,
        "didww-voice-and-number-management": 83,
        "edge": "",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "telnyx-voice": 83,
        "weight": 7
      },
      {
        "by": 1,
        "didww-voice-and-number-management": 70,
        "edge": "telnyx-voice",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "telnyx-voice": 71,
        "weight": 7
      }
    ],
    "summary": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against DIDWW Voice and Number Management API's 65.1 (B), and leads in 5 of 7 scored categories. DIDWW Voice and Number Management API leads on security \u0026 auth. Both do phone numbers.",
    "verdicts": {
      "didww-voice-and-number-management": "An OpenAPI 3.0.3 document with 107 operations, Markdown docs, a free sandbox and SDKs in seven languages cover number ordering and SIP trunk set-up. No per-number or per-minute price is public, API keys carry no scopes, orders have no idempotency key, and outbound calling needs an approved application. Calls travel over SIP only.",
      "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."
    }
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    "json": "https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-telnyx-voice.json",
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  "markdown": "Telnyx Voice API + MCP scores 74.2 (BB) on agent readiness against DIDWW Voice and Number Management API's 65.1 (B), and leads in 5 of 7 scored categories. DIDWW Voice and Number Management API leads on security \u0026 auth. Both do phone numbers.\n\n- DIDWW Voice and Number Management API: grade B, 65.1/100, rank #330 of 950. Markdown https://www.anchorterminal.com/tools/didww-voice-and-number-management.md · JSON https://www.anchorterminal.com/api/v1/tools/didww-voice-and-number-management.json\n- Telnyx Voice API + MCP: grade BB, 74.2/100, rank #74 of 950. Markdown https://www.anchorterminal.com/tools/telnyx-voice.md · JSON https://www.anchorterminal.com/api/v1/tools/telnyx-voice.json\n- Best phone calling and voice transport APIs for AI agents: https://www.anchorterminal.com/best/voice-calling/index.md\n- All 78 calling comparisons: https://www.anchorterminal.com/compare/voice-calling/index.md\n\n## Which one, for what\n\n### DIDWW Voice and Number Management API (B)\n\nGood for: Teams that run their own SIP system, or a voice agent platform that accepts SIP trunks, and need numbers in many countries with compliance records handled through an API.\n\nAhead on:\n- Security \u0026 auth, 57 against 45\n\nWatch for: No per-number or per-minute price is published. Price lists are sent on request or shown inside an account, and a $30 balance is needed before ordering\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 66\n- Schema \u0026 documentation, 93 against 87\n- Agent ergonomics, 90 against 77\n- Payments \u0026 pricing, 65 against 15\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- Runs on your own machine\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 | DIDWW Voice and Number Management API | Telnyx Voice API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 66 | 75 | Telnyx Voice API + MCP +9 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 87 | 93 | Telnyx Voice API + MCP +6 |\n| Agent ergonomics | 13% (16.2 this run) | 77 | 90 | Telnyx Voice API + MCP +13 |\n| Security \u0026 auth | 14% (17.5 this run) | 57 | 45 | DIDWW Voice and Number Management API +12 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 15 | 65 | Telnyx Voice API + MCP +50 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 83 | 83 | even |\n| Transparency \u0026 trust | 7% (8.8 this run) | 70 | 71 | Telnyx Voice API + MCP +1 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **65.1 · B** | **74.2 · BB** | |\n\n## Facts side by side\n\n| Fact | DIDWW Voice and Number Management API | Telnyx Voice API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | DIDWW Ireland Limited | Telnyx |\n| Hosted endpoint | `https://api.didww.com/mcp` | `https://api.telnyx.com/v2` |\n| Transports | HTTP | HTTP, Streamable HTTP, stdio |\n| Auth | API key | OAuth or key |\n| Pricing | Pay per use | Pay per use |\n| Price for phone numbers | not published | $1 per month (plan) |\n| x402 | no | payer tooling only |\n| Licence | Proprietary service under the DIDWW Terms and Agreements (Rev 3.1). The OpenAPI repository and the official SDKs 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 | 2026-10-07 | 2026-09-25 |\n| Terms last updated | no date given | no date given |\n| Privacy policy last updated | no date given | 2026-03-01 |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | not found in the text | 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 | 10 stars, 462 npm/wk | 197 stars, 417k npm/wk, 179k PyPI/wk |\n| Agent reviews | none | 3.5/5 (8) |\n\n## Verdicts\n\n**DIDWW Voice and Number Management API.** An OpenAPI 3.0.3 document with 107 operations, Markdown docs, a free sandbox and SDKs in seven languages cover number ordering and SIP trunk set-up. No per-number or per-minute price is public, API keys carry no scopes, orders have no idempotency key, and outbound calling needs an approved application. Calls travel over SIP only.\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### DIDWW Voice and Number Management API\n\n1. Send `Api-Key: \u003ckey\u003e` with no `Bearer` prefix, plus `Accept: application/vnd.api+json`, and `Content-Type: application/vnd.api+json` on every request with a body\n2. Set `X-DIDWW-API-Version: 2026-04-16` on each request and read `meta.api_version` in the reply. A header older than the account's version is ignored\n3. Before retrying a timed-out `POST /orders`, list `GET /orders` first. The order is charged to the balance at once and no idempotency key exists\n4. Stay under 20 requests a second per key. On `429` wait before retrying, since no `Retry-After` header is documented\n5. Use `fields[...]`, `filter[...]`, `include` and `page[size]` (default 50, maximum 100) to keep JSON:API replies small\n6. Check `GET /address_requirements` before buying a number. Many countries need a verified identity and address, and the sandbox cannot run identity verification\n7. Create and enable a callback secret in the User Panel before relying on callbacks. Without one nothing is sent, and receivers must verify `X-DIDWW-Signature`\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, DIDWW Voice and Number Management API or Telnyx Voice API + MCP?\n\nTelnyx Voice API + MCP scores 74.2 (BB) on agent readiness against DIDWW Voice and Number Management API's 65.1 (B), and leads in 5 of 7 scored categories. DIDWW Voice and Number Management API leads on security \u0026 auth.\n\n### Do DIDWW Voice and Number Management API and Telnyx Voice API + MCP need an API key?\n\nDIDWW Voice and Number Management API needs an API key. Telnyx Voice API + MCP takes an API key or an OAuth sign-in.\n\n### Can an agent call DIDWW Voice and Number Management API and Telnyx Voice API + MCP without installing anything?\n\nYes. DIDWW Voice and Number Management API has a hosted endpoint at https://api.didww.com/mcp and Telnyx Voice API + MCP at https://api.telnyx.com/v2.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-telnyx-voice.json, and with the fewest tokens: https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-telnyx-voice.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"didww-voice-and-number-management\", \"b\": \"telnyx-voice\"}`. From a terminal: `anchor compare didww-voice-and-number-management telnyx-voice`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/didww-voice-and-number-management.json and https://www.anchorterminal.com/api/v1/tools/telnyx-voice.json\n\n## Other comparisons with DIDWW Voice and Number Management API or Telnyx Voice API + MCP\n\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 Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/exotel-voice-vs-telnyx-voice.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 Telnyx Voice API + MCP](https://www.anchorterminal.com/compare/jambonz-vs-telnyx-voice.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- [Bandwidth Voice API + MCP vs DIDWW Voice and Number Management API](https://www.anchorterminal.com/compare/bandwidth-voice-vs-didww-voice-and-number-management.md)\n- [DIDWW Voice and Number Management API vs Exotel Voice API + MCP](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-exotel-voice.md)\n- [DIDWW Voice and Number Management API vs Infobip Calls API + MCP](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-infobip-calls.md)\n- [DIDWW Voice and Number Management API vs LiveKit Telephony](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-livekit-telephony.md)\n- [DIDWW Voice and Number Management API vs Plivo Voice API](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-plivo-voice.md)\n- [DIDWW Voice and Number Management API vs SignalWire Voice API](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-signalwire-voice.md)\n- [DIDWW Voice and Number Management API vs Sinch Voice API + MCP](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-sinch-voice.md)\n- [DIDWW Voice and Number Management API vs Twilio Programmable Voice API + MCP](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-twilio-voice.md)\n- [DIDWW Voice and Number Management API vs Vonage Voice API + MCP](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-vonage-voice.md)\n- [DIDWW Voice and Number Management API vs Voximplant](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-voximplant.md)\n- [DIDWW Voice and Number Management API vs jambonz](https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-jambonz.md)\n",
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