{
  "data": {
    "a": {
      "slug": "telnyx",
      "name": "Telnyx API + MCP",
      "vendor": "Telnyx",
      "vendorUrl": "https://telnyx.com",
      "kind": "http-api",
      "category": "messaging",
      "summary": "Carrier-owned CPaaS with SMS, MMS, RCS and WhatsApp on one REST API, plus an official hosted MCP server at api.telnyx.com/v2/mcp and a stdio MCP package.",
      "url": "https://www.anchorterminal.com/tools/telnyx",
      "markdownUrl": "https://www.anchorterminal.com/tools/telnyx.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/telnyx.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/telnyx.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": "api-key",
      "authNotes": "Bearer API key from the portal for both the REST API and the hosted MCP endpoint. Claude custom connectors can instead grant access through the Telnyx portal. 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. US SMS per part, outbound or inbound, $0.004 on long code, $0.0055 on toll-free and $0.007 on short code, plus carrier passthrough fees ($0.0035 AT\u0026T, $0.0045 Verizon and T-Mobile). US MMS $0.015 a part outbound and $0.005 inbound on long code. Numbers $1 a month. WhatsApp adds a $0.004 platform fee a message on top of Meta's rate card. 10DLC brand registration $4.50 and campaign $10 a month. Committed plans start at $500 a month (https://telnyx.com/pricing/messaging, https://telnyx.com/agent-signup.md).",
      "priceSummary": "Pay per use",
      "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-message payments on the messaging 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",
      "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": [
        "messaging.sms",
        "messaging.mms",
        "messaging.rcs",
        "messaging.whatsapp",
        "messaging.voice",
        "messaging.verify",
        "messaging.inbound"
      ],
      "tags": [
        "hosted",
        "mcp",
        "llms-txt",
        "openapi",
        "typescript",
        "python",
        "webhooks",
        "sms",
        "whatsapp",
        "x402",
        "stablecoin",
        "prepaid"
      ],
      "lastRelease": "2026-09-25",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 73.8,
        "grade": "BB",
        "agentReady": true,
        "rank": 54,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 3,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 80,
          "maintenance": 83,
          "payments": 65,
          "reliability": 80,
          "schema": 93,
          "security": 45,
          "transparency": 73
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "US long code SMS $0.004 a part outbound and inbound, published with carrier fees and as machine-readable pricing.md. No per-key scopes or read-only keys, and the MCP can send or buy numbers without confirmation.",
        "strengths": [
          "US long code SMS $0.004 a part outbound and inbound, published with carrier fees and as machine-readable pricing.md",
          "Agent signup and x402 or MPP top-ups with no browser",
          "429 responses carry Retry-After and x-ratelimit headers, with documented backoff guidance",
          "Hosted MCP with 3 meta-tools that load endpoint schemas on demand",
          "19 telnyx-node releases in 90 days, the latest v7.24.0 on 2026-09-25"
        ],
        "weaknesses": [
          "No per-key scopes or read-only keys, and the MCP can send or buy numbers without confirmation",
          "No free credit, a new account starts at zero",
          "API-wide 5XX errors for about 2 hours on 2026-09-23, plus messaging latency and delivery incidents through September",
          "x402 and MPP only top up account credit, they don't pay per message",
          "No security.txt or bug bounty found"
        ],
        "agentNotes": [
          "Register the 10DLC brand ($4.50) and campaign ($10 a month) before sending US long code traffic",
          "Back off on error 10011 for as long as the Retry-After header says",
          "Call get_api_endpoint_schema before invoke_api_endpoint, the schemas aren't in the tool list",
          "Give each agent its own key, since keys can't be scoped",
          "Verify the signature on inbound message webhooks before acting on the text"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 73.8
          }
        ],
        "editorialScores": {
          "ergonomics": 80,
          "maintenance": 83,
          "payments": 65,
          "reliability": 80,
          "schema": 93,
          "security": 45,
          "transparency": 55
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST https://api.telnyx.com/v2/messages -H \"Authorization: Bearer $TELNYX_API_KEY\" \\\n  -H \"Content-Type: application/json\" -d '{\"from\":\"+15551234567\",\"to\":\"+15559876543\",\"text\":\"Hello from Telnyx\"}'",
        "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/messaging.sms",
        "tool": "https://letme.dev/telnyx"
      },
      "sameCompany": [
        "telnyx-voice"
      ],
      "area": "communication",
      "unitPrices": [
        {
          "item": "SMS outbound, US long code",
          "unit": "message",
          "usd": 0.004,
          "note": "US, per part, carrier fees extra, tiered down at 100M parts"
        },
        {
          "item": "SMS outbound, UK",
          "unit": "message",
          "usd": 0.05,
          "note": "UK, per part"
        },
        {
          "item": "MMS outbound, US long code",
          "unit": "message",
          "usd": 0.015,
          "note": "US, per part, carrier fees extra"
        },
        {
          "item": "WhatsApp platform fee",
          "unit": "message",
          "usd": 0.004,
          "note": "on top of Meta's per-message rate"
        }
      ],
      "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": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/telnyx.json",
      "live": {
        "slug": "telnyx",
        "probe": {
          "target": "https://api.telnyx.com/v2",
          "method": "get",
          "lastAt": "2026-10-05T02:30:03.566635975Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 97,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 101,
          "p95ms24h": 154,
          "samples24h": 273,
          "samples30d": 1131,
          "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": 29,
              "ok": 29
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.telnyx.com",
          "indicator": "maintenance",
          "summary": "Under Maintenance",
          "checkedAt": "2026-10-05T02:29:14.693548834Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "team-telnyx/telnyx-node",
            "version": "v7.24.0",
            "released": "2026-09-25",
            "seenAt": "2026-10-04T16:41:33.848462249Z"
          },
          {
            "registry": "mcp-registry",
            "name": "io.github.team-telnyx/telnyx",
            "version": "6.29.3",
            "seenAt": "2026-10-04T23:42:40.113054682Z"
          },
          {
            "registry": "npm",
            "name": "telnyx",
            "version": "7.24.0",
            "seenAt": "2026-10-04T16:41:31.699577909Z"
          },
          {
            "registry": "npm",
            "name": "telnyx-mcp",
            "version": "7.24.0",
            "seenAt": "2026-10-04T16:41:31.761383136Z"
          },
          {
            "registry": "pypi",
            "name": "telnyx",
            "version": "4.182.0",
            "released": "2026-09-25",
            "seenAt": "2026-10-04T16:41:33.734448202Z"
          }
        ],
        "githubStars": 197,
        "npmWeekly": 490168,
        "pypiWeekly": 201435,
        "securityTxt": {
          "url": "https://telnyx.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:16:05.446481255Z"
        },
        "llmsTxt": {
          "url": "https://developers.telnyx.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:19.523447647Z"
        },
        "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/pricing/messaging",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:48:25.132435608Z",
            "changedAt": "2026-10-04T15:48:25.132435608Z",
            "fingerprint": "ca15d57262f5"
          }
        ],
        "updatedAt": "2026-10-05T02:30:03.566635975Z"
      }
    },
    "b": {
      "slug": "twilio",
      "name": "Twilio API + MCP",
      "vendor": "Twilio",
      "vendorUrl": "https://www.twilio.com",
      "kind": "http-api",
      "category": "messaging",
      "summary": "Programmable Messaging (SMS, MMS, WhatsApp, RCS) and Verify over REST.",
      "url": "https://www.anchorterminal.com/tools/twilio",
      "markdownUrl": "https://www.anchorterminal.com/tools/twilio.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/twilio.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/twilio.json",
      "repo": "https://github.com/twilio-labs/mcp",
      "license": "MIT",
      "transports": [
        "http",
        "streamable-http",
        "stdio"
      ],
      "remoteUrl": "https://api.twilio.com/2010-04-01",
      "packages": [
        {
          "registry": "npm",
          "name": "twilio"
        },
        {
          "registry": "pypi",
          "name": "twilio"
        },
        {
          "registry": "npm",
          "name": "@twilio-alpha/mcp"
        }
      ],
      "auth": "mixed",
      "authNotes": "HTTP Basic auth with the Account SID and Auth Token, or an API key SID and secret (recommended). The hosted docs MCP needs no credentials. The local alpha MCP takes `ACCOUNT_SID/API_KEY:API_SECRET` as a command-line argument, so it shows up in process lists.",
      "pricing": "usage",
      "pricingNotes": "Pay as you go, no monthly fee. US SMS $0.0083 a segment outbound or inbound on long code, toll-free or short code, plus carrier fees of $0.0035 (AT\u0026T), $0.0045 (T-Mobile) or $0.005 (Verizon) a message. US MMS $0.022 outbound, $0.0165 inbound on long code. Long code numbers $1.15 a month, toll-free $2.15. UK SMS $0.056. Failed messages $0.001 each. WhatsApp $0.005 a message Twilio fee plus Meta's template fees. Verify $0.05 a successful verification plus channel fees. Trial lasts 30 days with free units (100 SMS), no card (https://www.twilio.com/en-us/sms/pricing/us).",
      "priceSummary": "Pay per use",
      "where": "both",
      "x402": {
        "level": "no",
        "evidence": "No x402 support in docs, pricing or MCP README (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 2,
      "popularity": {
        "githubStars": 111,
        "npmWeekly": 7213599,
        "pypiWeekly": 4834611,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://www.twilio.com/docs/messaging",
      "llmsTxt": "https://www.twilio.com/docs/llms.txt",
      "openapi": "https://raw.githubusercontent.com/twilio/twilio-oai/main/spec/json/twilio_api_v2010.json",
      "capabilities": [
        "messaging.sms",
        "messaging.mms",
        "messaging.whatsapp",
        "messaging.rcs",
        "messaging.verify",
        "messaging.inbound"
      ],
      "tags": [
        "hosted",
        "no-card",
        "mcp",
        "llms-txt",
        "openapi",
        "typescript",
        "python",
        "webhooks",
        "whatsapp",
        "sms",
        "enterprise"
      ],
      "lastRelease": "2026-09-28",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 80.4,
        "grade": "A",
        "agentReady": true,
        "rank": 5,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 1,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 80,
          "maintenance": 85,
          "payments": 40,
          "reliability": 90,
          "schema": 92,
          "security": 85,
          "transparency": 81
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Per-segment US prices, carrier fees by carrier and the $0.001 failed-message fee published without a login. US SMS at $0.0083 a segment plus $0.0035 to $0.005 in carrier fees, with inbound charged at the same rate.",
        "strengths": [
          "Per-segment US prices, carrier fees by carrier and the $0.001 failed-message fee published without a login",
          "Restricted API keys with up to 100 endpoint permissions each",
          "Twilio APIs SLA at 99.95 per cent for every paying customer, with 10 per cent credits",
          "Public OpenAPI specs, llms.txt with Markdown twins and a numbered error dictionary",
          "twilio-node released three times in the last 90 days, most recently 6.1.2 on 2026-09-28"
        ],
        "weaknesses": [
          "US SMS at $0.0083 a segment plus $0.0035 to $0.005 in carrier fees, with inbound charged at the same rate",
          "A US long code sends 1 message a second per Twilio's scaling guide, with the excess queued for up to 10 hours",
          "No idempotency key on message creation",
          "The MCP that can send is an alpha last published on 2025-07-07, and it takes the API secret as a command-line argument",
          "No security.txt on twilio.com"
        ],
        "agentNotes": [
          "Use the hosted docs MCP to find the endpoint, then call the REST API with a restricted API key",
          "Set `ValidityPeriod` on time-sensitive sends, or a queued message can go out up to 10 hours late",
          "Check the Messages list for the original before retrying a send that timed out, there's no idempotency key",
          "Send only to verified numbers on a trial account, other recipients fail",
          "Validate `X-Twilio-Signature` on every inbound webhook"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 8,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "A",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 80.4
          }
        ],
        "editorialScores": {
          "ergonomics": 80,
          "maintenance": 85,
          "payments": 40,
          "reliability": 90,
          "schema": 92,
          "security": 85,
          "transparency": 72
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST \"https://api.twilio.com/2010-04-01/Accounts/$TWILIO_ACCOUNT_SID/Messages.json\" \\\n  -u \"$TWILIO_API_KEY:$TWILIO_API_SECRET\" \\\n  --data-urlencode \"To=+15558675310\" --data-urlencode \"From=+15017122661\" \\\n  --data-urlencode \"Body=Hello from Twilio\"",
        "claudeCode": "claude mcp add --transport http twilio-docs https://mcp.twilio.com/docs",
        "config": {
          "mcpServers": {
            "twilio": {
              "args": [
                "-y",
                "@twilio-alpha/mcp",
                "${TWILIO_ACCOUNT_SID}/${TWILIO_API_KEY}:${TWILIO_API_SECRET}",
                "--services",
                "twilio_api_v2010"
              ],
              "command": "npx"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/messaging.sms",
        "tool": "https://letme.dev/twilio"
      },
      "sameCompany": [
        "twilio-voice",
        "stytch-connected-apps",
        "sendgrid"
      ],
      "area": "communication",
      "unitPrices": [
        {
          "item": "SMS outbound, US",
          "unit": "message",
          "usd": 0.0083,
          "note": "per segment, plus carrier fees of $0.0035 to $0.005"
        },
        {
          "item": "SMS outbound, UK",
          "unit": "message",
          "usd": 0.056
        },
        {
          "item": "MMS outbound, US",
          "unit": "message",
          "usd": 0.022
        },
        {
          "item": "WhatsApp Twilio fee",
          "unit": "message",
          "usd": 0.005,
          "note": "inbound or outbound, Meta template fees extra"
        },
        {
          "item": "WhatsApp utility or authentication template, US (Meta fee)",
          "unit": "message",
          "usd": 0.0034,
          "note": "passed through by Twilio"
        }
      ],
      "provenance": {
        "legalEntity": "Twilio Inc.",
        "domain": "twilio.com",
        "domainRegistered": "2007-10-26",
        "endpointOnVendorDomain": true,
        "terms": "https://www.twilio.com/en-us/legal/tos",
        "privacy": "https://www.twilio.com/en-us/legal/privacy",
        "statusPage": "https://status.twilio.com",
        "changelog": "https://www.twilio.com/en-us/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "The terms also name Twilio Ireland Limited for customers outside the US."
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/twilio.json",
      "live": {
        "slug": "twilio",
        "probe": {
          "target": "https://api.twilio.com/2010-04-01",
          "method": "get",
          "lastAt": "2026-10-05T02:30:04.051692791Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 4,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 7,
          "p95ms24h": 38,
          "samples24h": 273,
          "samples30d": 1131,
          "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": 29,
              "ok": 29
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.twilio.com",
          "indicator": "minor",
          "summary": "Partially Degraded Service",
          "checkedAt": "2026-10-05T02:29:15.462160614Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "twilio-labs/mcp",
            "version": "0.0.3",
            "released": "2025-03-25",
            "seenAt": "2026-10-04T16:42:32.789428185Z"
          },
          {
            "registry": "npm",
            "name": "@twilio-alpha/mcp",
            "version": "0.7.0",
            "seenAt": "2026-10-04T16:42:30.744113269Z"
          },
          {
            "registry": "npm",
            "name": "twilio",
            "version": "6.1.2",
            "seenAt": "2026-10-04T16:42:30.579018738Z"
          },
          {
            "registry": "pypi",
            "name": "twilio",
            "version": "9.11.2",
            "released": "2026-09-28",
            "seenAt": "2026-10-04T16:42:30.630910608Z"
          }
        ],
        "githubStars": 112,
        "npmWeekly": 7817134,
        "pypiWeekly": 5153208,
        "securityTxt": {
          "url": "https://twilio.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:43.282608786Z"
        },
        "llmsTxt": {
          "url": "https://www.twilio.com/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:20.462714763Z"
        },
        "domain": {
          "domain": "twilio.com",
          "registered": "2007-10-26",
          "source": "https://rdap.verisign.com/com/v1/domain/twilio.com",
          "checkedAt": "2026-10-04T13:05:12.523190086Z"
        },
        "pages": [
          {
            "url": "https://www.twilio.com/en-us/sms/pricing/us",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:40.063019901Z",
            "changedAt": "2026-10-03T15:40:31.280177197Z",
            "fingerprint": "b98c31a1bf5b"
          }
        ],
        "updatedAt": "2026-10-05T02:30:04.051692791Z"
      }
    },
    "summary": "Twilio API + MCP has a score of 80.4 (A) against Telnyx API + MCP's 73.8 (BB). Both do messaging sms. The largest gap is security \u0026 auth, 40 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/telnyx-vs-twilio",
    "json": "https://www.anchorterminal.com/compare/telnyx-vs-twilio.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/telnyx-vs-twilio.md",
    "slim": "https://www.anchorterminal.com/compare/telnyx-vs-twilio.min.md"
  },
  "markdown": "Twilio API + MCP has a score of 80.4 (A) against Telnyx API + MCP's 73.8 (BB). Both do messaging sms. The largest gap is security \u0026 auth, 40 points.\n\n- Telnyx API + MCP: grade BB, 73.8/100, rank #54 of 452. Markdown https://www.anchorterminal.com/tools/telnyx.md · JSON https://www.anchorterminal.com/api/v1/tools/telnyx.json\n- Twilio API + MCP: grade A, 80.4/100, rank #5 of 452. Markdown https://www.anchorterminal.com/tools/twilio.md · JSON https://www.anchorterminal.com/api/v1/tools/twilio.json\n\n## Which one, for what\n\nPick Telnyx API + MCP for payments \u0026 pricing (+25).\n\nPick Twilio API + MCP for reliability (+10), security \u0026 auth (+40), transparency \u0026 trust (+8).\n\n## Score by category\n\n| Category | Weight | Telnyx API + MCP | Twilio API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 80 | 90 | Twilio API + MCP +10 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 93 | 92 | Telnyx API + MCP +1 |\n| Agent ergonomics | 13% (16.2 this run) | 80 | 80 | even |\n| Security \u0026 auth | 14% (17.5 this run) | 45 | 85 | Twilio API + MCP +40 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 65 | 40 | Telnyx API + MCP +25 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 83 | 85 | Twilio API + MCP +2 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 73 | 81 | Twilio API + MCP +8 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **73.8 · BB** | **80.4 · A** | |\n\n## Facts side by side\n\n| Fact | Telnyx API + MCP | Twilio API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Telnyx | Twilio |\n| Hosted endpoint | `https://api.telnyx.com/v2` | `https://api.twilio.com/2010-04-01` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP, stdio |\n| Auth | API key | OAuth or key |\n| Pricing | Pay per use | Pay per use |\n| x402 | payer tooling only | no |\n| Licence | MIT | MIT |\n| Tools exposed | 3 | 2 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | `io.github.team-telnyx/telnyx` | not listed |\n| Last release | 2026-09-25 | 2026-09-28 |\n| Popularity | 197 stars, 417k npm/wk, 179k PyPI/wk | 111 stars, 7.2M npm/wk, 4.8M PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 3.5/5 (8) |\n\n## Verdicts\n\n**Telnyx API + MCP.** US long code SMS $0.004 a part outbound and inbound, published with carrier fees and as machine-readable pricing.md. No per-key scopes or read-only keys, and the MCP can send or buy numbers without confirmation.\n\n**Twilio API + MCP.** Per-segment US prices, carrier fees by carrier and the $0.001 failed-message fee published without a login. US SMS at $0.0083 a segment plus $0.0035 to $0.005 in carrier fees, with inbound charged at the same rate.\n\n## Before you call either\n\n### Telnyx API + MCP\n\n1. Register the 10DLC brand ($4.50) and campaign ($10 a month) before sending US long code traffic\n2. Back off on error 10011 for as long as the Retry-After header says\n3. Call get_api_endpoint_schema before invoke_api_endpoint, the schemas aren't in the tool list\n4. Give each agent its own key, since keys can't be scoped\n5. Verify the signature on inbound message webhooks before acting on the text\n\n### Twilio API + MCP\n\n1. Use the hosted docs MCP to find the endpoint, then call the REST API with a restricted API key\n2. Set `ValidityPeriod` on time-sensitive sends, or a queued message can go out up to 10 hours late\n3. Check the Messages list for the original before retrying a send that timed out, there's no idempotency key\n4. Send only to verified numbers on a trial account, other recipients fail\n5. Validate `X-Twilio-Signature` on every inbound webhook\n\n## Other comparisons with Telnyx API + MCP or Twilio API + MCP\n\n- [Bandwidth Messaging API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/bandwidth-vs-telnyx.md)\n- [Bandwidth Messaging API + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/bandwidth-vs-twilio.md)\n- [Bird API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/bird-vs-telnyx.md)\n- [Bird API + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/bird-vs-twilio.md)\n- [ClickSend SMS API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/clicksend-vs-telnyx.md)\n- [ClickSend SMS API + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/clicksend-vs-twilio.md)\n- [Infobip API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/infobip-vs-telnyx.md)\n- [Infobip API + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/infobip-vs-twilio.md)\n- [Plivo API vs Telnyx API + MCP](https://www.anchorterminal.com/compare/plivo-vs-telnyx.md)\n- [Plivo API vs Twilio API + MCP](https://www.anchorterminal.com/compare/plivo-vs-twilio.md)\n- [Sinch Messaging APIs + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/sinch-vs-telnyx.md)\n- [Sinch Messaging APIs + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/sinch-vs-twilio.md)\n- [Telnyx API + MCP vs Vonage Messages API + MCP](https://www.anchorterminal.com/compare/telnyx-vs-vonage.md)\n- [Twilio API + MCP vs Vonage Messages API + MCP](https://www.anchorterminal.com/compare/twilio-vs-vonage.md)\n- [360dialog WhatsApp API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/360dialog-vs-telnyx.md)\n- [360dialog WhatsApp API + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/360dialog-vs-twilio.md)\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "Compare",
        "url": "https://www.anchorterminal.com/compare/"
      },
      {
        "name": "Telnyx API + MCP vs Twilio API + MCP",
        "url": ""
      }
    ],
    "description": "Twilio API + MCP has a score of 80.4 (A) against Telnyx API + MCP's 73.8 (BB). Both do messaging sms. The largest gap is security \u0026 auth, 40 points. Category scores, facts, verdicts and agent notes side by side.",
    "facts": [
      "Telnyx API + MCP BB 73.8",
      "Twilio API + MCP A 80.4",
      "scores"
    ],
    "h1": "Telnyx API + MCP vs Twilio API + MCP",
    "image": "https://www.anchorterminal.com/assets/og/compare-telnyx-vs-twilio.png",
    "path": "/compare/telnyx-vs-twilio",
    "published": "2026-10-01",
    "section": "tools",
    "title": "Telnyx API + MCP vs Twilio API + MCP for AI agents, BB 73.8 vs A 80.4",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/compare/telnyx-vs-twilio"
  },
  "tokens": {
    "markdown": 1600,
    "slim": 330
  },
  "version": 1
}