{
  "data": {
    "a": {
      "slug": "plivo",
      "name": "Plivo API",
      "vendor": "Plivo",
      "vendorUrl": "https://www.plivo.com",
      "kind": "http-api",
      "category": "messaging",
      "summary": "CPaaS REST API for SMS, MMS, RCS and WhatsApp in 190+ countries, alongside voice.",
      "url": "https://www.anchorterminal.com/tools/plivo",
      "markdownUrl": "https://www.anchorterminal.com/tools/plivo.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/plivo.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/plivo.json",
      "repo": "https://github.com/plivo/plivo-node",
      "license": "MIT",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.plivo.com/v1",
      "packages": [
        {
          "registry": "npm",
          "name": "plivo"
        },
        {
          "registry": "pypi",
          "name": "plivo"
        }
      ],
      "auth": "api-key",
      "authNotes": "HTTP Basic auth with Auth ID and Auth Token. The Auth ID also appears in every request path. Subaccounts get their own credentials.",
      "pricing": "usage",
      "pricingNotes": "Pay as you go with free trial credits and no card to sign up. US long code SMS $0.0077 outbound and inbound, toll-free $0.0079, MMS $0.018, plus carrier surcharges ($0.0035 to $0.005 a message). Long code numbers $0.50 a month. WhatsApp US marketing $0.0275 and utility $0.00374 a message. UK SMS from $0.0372 (https://www.plivo.com/sms/pricing/us/).",
      "priceSummary": "Pay per use",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 or stablecoin payment path in docs, pricing or agent discovery files (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 102,
        "npmWeekly": 50920,
        "pypiWeekly": 69307,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://www.plivo.com/docs/",
      "llmsTxt": "https://www.plivo.com/docs/llms.txt",
      "capabilities": [
        "messaging.sms",
        "messaging.mms",
        "messaging.rcs",
        "messaging.whatsapp",
        "messaging.voice",
        "messaging.verify",
        "messaging.inbound"
      ],
      "tags": [
        "hosted",
        "no-card",
        "llms-txt",
        "typescript",
        "python",
        "webhooks",
        "sms",
        "whatsapp"
      ],
      "lastRelease": "2026-09-25",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 60.3,
        "grade": "C",
        "agentReady": false,
        "rank": 250,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 7,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 57,
          "maintenance": 78,
          "payments": 40,
          "reliability": 78,
          "schema": 59,
          "security": 45,
          "transparency": 70
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "US long code SMS $0.0077 a message and numbers $0.50 a month, with carrier surcharges listed per carrier. No OpenAPI spec.",
        "strengths": [
          "US long code SMS $0.0077 a message and numbers $0.50 a month, with carrier surcharges listed per carrier",
          "Free trial credits with no card",
          "Published API limit of 300 requests per 5 seconds",
          "plivo-python released on 2026-07-28 and 2026-09-25",
          "Signed webhooks, and SOC 2, PCI DSS Level 1 and HIPAA per Plivo's security page"
        ],
        "weaknesses": [
          "No OpenAPI spec",
          "One Auth ID and token per account or subaccount, with no scopes or read-only keys",
          "The official MCP has one tool and only searches docs",
          "Inbound US SMS is billed at $0.0077 too, plus a T-Mobile inbound surcharge of $0.0025",
          "No availability SLA, the service levels document covers support response times only"
        ],
        "agentNotes": [
          "Put the Auth ID in both the path and the Basic auth header, every request needs both",
          "Stay under 300 API requests per 5 seconds, a 429 carries no Retry-After",
          "Give each agent its own subaccount to isolate credentials and spend",
          "Use the docs MCP to find endpoints, then call the REST API directly to send"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 60.3
          }
        ],
        "editorialScores": {
          "ergonomics": 57,
          "maintenance": 78,
          "payments": 40,
          "reliability": 78,
          "schema": 59,
          "security": 45,
          "transparency": 50
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST \"https://api.plivo.com/v1/Account/$PLIVO_AUTH_ID/Message/\" -u \"$PLIVO_AUTH_ID:$PLIVO_AUTH_TOKEN\" \\\n  -H \"Content-Type: application/json\" -d '{\"src\":\"+14155550100\",\"dst\":\"+14155550101\",\"text\":\"Hello from Plivo\"}'"
      },
      "letme": {
        "capability": "https://letme.dev/messaging.sms",
        "tool": "https://letme.dev/plivo"
      },
      "sameCompany": [
        "plivo-voice"
      ],
      "area": "communication",
      "unitPrices": [
        {
          "item": "SMS outbound, US long code",
          "unit": "message",
          "usd": 0.0077,
          "note": "US, carrier surcharge extra"
        },
        {
          "item": "SMS outbound, UK",
          "unit": "message",
          "usd": 0.0372,
          "note": "UK, starting rate, varies by network"
        },
        {
          "item": "MMS outbound, US long code",
          "unit": "message",
          "usd": 0.018,
          "note": "US, carrier surcharge extra"
        },
        {
          "item": "WhatsApp marketing, US",
          "unit": "message",
          "usd": 0.0275
        },
        {
          "item": "WhatsApp utility or authentication, US",
          "unit": "message",
          "usd": 0.00374
        }
      ],
      "provenance": {
        "legalEntity": "Plivo Inc.",
        "domain": "plivo.com",
        "domainRegistered": "2011-04-17",
        "endpointOnVendorDomain": true,
        "terms": "https://www.plivo.com/legal/tos/",
        "privacy": "https://www.plivo.com/legal/privacy/",
        "statusPage": "https://status.plivo.com",
        "changelog": "https://www.plivo.com/changelog/",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "Legal entity taken from the site footer."
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/plivo.json",
      "live": {
        "slug": "plivo",
        "probe": {
          "target": "https://api.plivo.com/v1",
          "method": "get",
          "lastAt": "2026-10-04T23:32:52.558259764Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 325,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 326,
          "p95ms24h": 390,
          "samples24h": 272,
          "samples30d": 1097,
          "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": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.plivo.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:28:00.088279774Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "plivo/plivo-node",
            "version": "v4.79.0",
            "released": "2026-07-28",
            "seenAt": "2026-10-04T16:37:06.546607737Z"
          },
          {
            "registry": "npm",
            "name": "plivo",
            "version": "4.79.0",
            "seenAt": "2026-10-04T16:37:06.386652172Z"
          },
          {
            "registry": "pypi",
            "name": "plivo",
            "version": "4.63.0",
            "released": "2026-09-25",
            "seenAt": "2026-10-04T16:37:06.431412617Z"
          }
        ],
        "githubStars": 102,
        "npmWeekly": 54280,
        "pypiWeekly": 76309,
        "securityTxt": {
          "url": "https://plivo.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:48.932052901Z"
        },
        "llmsTxt": {
          "url": "https://www.plivo.com/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:10.054822264Z"
        },
        "domain": {
          "domain": "plivo.com",
          "registered": "2011-04-17",
          "source": "https://rdap.verisign.com/com/v1/domain/plivo.com",
          "checkedAt": "2026-10-04T13:07:46.742269573Z"
        },
        "pages": [
          {
            "url": "https://www.plivo.com/sms/pricing/us/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:51:49.699485512Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "e3f68f546564"
          }
        ],
        "updatedAt": "2026-10-04T23:32:52.558259764Z"
      }
    },
    "b": {
      "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": "2026-10-04T23:32:55.379117949Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 98,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 101,
          "p95ms24h": 154,
          "samples24h": 272,
          "samples30d": 1097,
          "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": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.telnyx.com",
          "indicator": "maintenance",
          "summary": "Under Maintenance",
          "checkedAt": "2026-10-04T23:28:03.989009975Z"
        },
        "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": "2026-10-03T23:29:28.630222764Z"
          },
          {
            "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": "2026-10-04T23:32:55.379117949Z"
      }
    },
    "summary": "Telnyx API + MCP has a score of 73.8 (BB) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema \u0026 documentation, 34 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
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  "markdown": "Telnyx API + MCP has a score of 73.8 (BB) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema \u0026 documentation, 34 points.\n\n- Plivo API: grade C, 60.3/100, rank #250 of 452. Markdown https://www.anchorterminal.com/tools/plivo.md · JSON https://www.anchorterminal.com/api/v1/tools/plivo.json\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\n## Which one, for what\n\nPick Plivo API for nothing in particular (no category where it leads by five points or more).\n\nPick Telnyx API + MCP for schema \u0026 documentation (+34), agent ergonomics (+23), payments \u0026 pricing (+25), maintenance \u0026 community (+5).\n\n## Score by category\n\n| Category | Weight | Plivo API | Telnyx API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 78 | 80 | Telnyx API + MCP +2 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 59 | 93 | Telnyx API + MCP +34 |\n| Agent ergonomics | 13% (16.2 this run) | 57 | 80 | Telnyx API + MCP +23 |\n| Security \u0026 auth | 14% (17.5 this run) | 45 | 45 | even |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 65 | 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) | 78 | 83 | Telnyx API + MCP +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 70 | 73 | Telnyx API + MCP +3 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **60.3 · C** | **73.8 · BB** | |\n\n## Facts side by side\n\n| Fact | Plivo API | Telnyx API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Plivo | Telnyx |\n| Hosted endpoint | `https://api.plivo.com/v1` | `https://api.telnyx.com/v2` |\n| Transports | HTTP | HTTP, Streamable HTTP, stdio |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | payer tooling only |\n| Licence | MIT | MIT |\n| Tools exposed | none | 3 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | `io.github.team-telnyx/telnyx` |\n| Last release | 2026-09-25 | 2026-09-25 |\n| Popularity | 102 stars, 51k npm/wk, 69k PyPI/wk | 197 stars, 417k npm/wk, 179k PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 3.5/5 (2) |\n\n## Verdicts\n\n**Plivo API.** US long code SMS $0.0077 a message and numbers $0.50 a month, with carrier surcharges listed per carrier. No OpenAPI spec.\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## Before you call either\n\n### Plivo API\n\n1. Put the Auth ID in both the path and the Basic auth header, every request needs both\n2. Stay under 300 API requests per 5 seconds, a 429 carries no Retry-After\n3. Give each agent its own subaccount to isolate credentials and spend\n4. Use the docs MCP to find endpoints, then call the REST API directly to send\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## Other comparisons with Plivo API or Telnyx API + MCP\n\n- [Bandwidth Messaging API + MCP vs Plivo API](https://www.anchorterminal.com/compare/bandwidth-vs-plivo.md)\n- [Bandwidth Messaging API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/bandwidth-vs-telnyx.md)\n- [Bird API + MCP vs Plivo API](https://www.anchorterminal.com/compare/bird-vs-plivo.md)\n- [Bird API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/bird-vs-telnyx.md)\n- [ClickSend SMS API + MCP vs Plivo API](https://www.anchorterminal.com/compare/clicksend-vs-plivo.md)\n- [ClickSend SMS API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/clicksend-vs-telnyx.md)\n- [Infobip API + MCP vs Plivo API](https://www.anchorterminal.com/compare/infobip-vs-plivo.md)\n- [Infobip API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/infobip-vs-telnyx.md)\n- [Plivo API vs Sinch Messaging APIs + MCP](https://www.anchorterminal.com/compare/plivo-vs-sinch.md)\n- [Plivo API vs Twilio API + MCP](https://www.anchorterminal.com/compare/plivo-vs-twilio.md)\n- [Plivo API vs Vonage Messages API + MCP](https://www.anchorterminal.com/compare/plivo-vs-vonage.md)\n- [Sinch Messaging APIs + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/sinch-vs-telnyx.md)\n- [Telnyx API + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/telnyx-vs-twilio.md)\n- [Telnyx API + MCP vs Vonage Messages API + MCP](https://www.anchorterminal.com/compare/telnyx-vs-vonage.md)\n- [360dialog WhatsApp API + MCP vs Plivo API](https://www.anchorterminal.com/compare/360dialog-vs-plivo.md)\n- [360dialog WhatsApp API + MCP vs Telnyx API + MCP](https://www.anchorterminal.com/compare/360dialog-vs-telnyx.md)\n",
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    "description": "Telnyx API + MCP has a score of 73.8 (BB) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema \u0026 documentation, 34 points. Category scores, facts, verdicts and agent notes side by side.",
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