{
  "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": "2026-10-05T02:30:00.769283797Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 324,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 326,
          "p95ms24h": 379,
          "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.plivo.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-05T02:29:10.424723782Z"
        },
        "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": "2026-10-05T02:30:00.769283797Z"
      }
    },
    "b": {
      "slug": "sinch",
      "name": "Sinch Messaging APIs + MCP",
      "vendor": "Sinch",
      "vendorUrl": "https://sinch.com",
      "kind": "http-api",
      "category": "messaging",
      "summary": "The SMS REST API and the Conversation API, which sends SMS, RCS, WhatsApp, Viber and Messenger through one message format, plus the Verification API.",
      "url": "https://www.anchorterminal.com/tools/sinch",
      "markdownUrl": "https://www.anchorterminal.com/tools/sinch.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/sinch.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/sinch.json",
      "repo": "https://github.com/sinch/sinch-mcp-server",
      "license": "Apache-2.0",
      "transports": [
        "http",
        "stdio",
        "streamable-http"
      ],
      "remoteUrl": "https://us.sms.api.sinch.com/xms/v1",
      "packages": [
        {
          "registry": "npm",
          "name": "@sinch/sdk-core"
        },
        {
          "registry": "pypi",
          "name": "sinch"
        },
        {
          "registry": "npm",
          "name": "@sinch/mcp"
        }
      ],
      "auth": "mixed",
      "authNotes": "The SMS API takes a service-plan Bearer token. Conversation, Numbers and Templates use OAuth 2.0 client credentials from a project access key (Basic auth also accepted). Verification and Voice use an application key and secret. The MCP server's HTTP mode does no inbound auth in single-tenant mode.",
      "pricing": "usage",
      "pricingNotes": "Pay as you go. US SMS $0.0078 a message on 10DLC or toll-free and $0.009 on short code, same rate inbound, plus carrier fees. Other countries and WhatsApp are priced through a country selector. Trial accounts get 2 units of local currency (for example $2) and a test number, no card (https://sinch.com/pricing/sms/).",
      "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": 54,
      "popularity": {
        "githubStars": 1,
        "npmWeekly": 15648,
        "pypiWeekly": 11166,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developers.sinch.com/docs/conversation",
      "llmsTxt": "https://developers.sinch.com/llms.txt",
      "openapi": "https://developers.sinch.com/_bundle/docs/conversation/api-reference/conversation.yaml",
      "capabilities": [
        "messaging.sms",
        "messaging.whatsapp",
        "messaging.rcs",
        "messaging.verify",
        "messaging.inbound"
      ],
      "tags": [
        "hosted",
        "no-card",
        "mcp",
        "openapi",
        "llms-txt",
        "typescript",
        "python",
        "webhooks",
        "whatsapp",
        "sms",
        "enterprise"
      ],
      "lastRelease": "2026-09-23",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 63.3,
        "grade": "B",
        "agentReady": false,
        "rank": 206,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 6,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 50,
          "maintenance": 83,
          "payments": 40,
          "reliability": 73,
          "schema": 81,
          "security": 50,
          "transparency": 73
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "The Conversation API covers SMS, RCS, WhatsApp, Viber and Messenger through one message format. The MCP server is a developer preview whose npm release dates from 2026-04-14.",
        "strengths": [
          "The Conversation API covers SMS, RCS, WhatsApp, Viber and Messenger through one message format",
          "Published limits of 800 requests a second per project and a 500,000-message queue per app",
          "HMAC-signed callbacks with a nonce and timestamp",
          "Trial with 2 units of local currency and a test number, no card",
          "SDK releases in Java and Python in September 2026"
        ],
        "weaknesses": [
          "The MCP server is a developer preview whose npm release dates from 2026-04-14",
          "54 MCP tools with no readOnlyHint or destructiveHint annotations",
          "Separate credential schemes for the SMS, Conversation and Verification APIs, none with scopes",
          "No SLA, and no Retry-After on 429",
          "No security.txt or bug bounty found"
        ],
        "agentNotes": [
          "Load the MCP with `--tags` for the channels you need, or all 54 tools land in context",
          "Keep a single-tenant HTTP MCP bound to localhost, it does no inbound authentication",
          "Expect sends to drain at 20 messages a second per app unless Sinch raises it",
          "Verify `x-sinch-webhook-signature` against the raw body before parsing the JSON",
          "Use the regional base URL (us, eu or br) that matches the project"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 63.3
          }
        ],
        "editorialScores": {
          "ergonomics": 50,
          "maintenance": 83,
          "payments": 40,
          "reliability": 73,
          "schema": 81,
          "security": 50,
          "transparency": 55
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST \"https://us.sms.api.sinch.com/xms/v1/$SINCH_SERVICE_PLAN_ID/batches\" \\\n  -H \"Authorization: Bearer $SINCH_API_TOKEN\" -H \"Content-Type: application/json\" \\\n  -d '{\"from\":\"+12025550123\",\"to\":[\"+15551234567\"],\"body\":\"Hello from Sinch\"}'",
        "config": {
          "mcpServers": {
            "sinch": {
              "args": [
                "-y",
                "@sinch/mcp"
              ],
              "command": "npx",
              "env": {
                "CONVERSATION_APP_ID": "${SINCH_CONVERSATION_APP_ID}",
                "CONVERSATION_REGION": "us",
                "KEY_ID": "${SINCH_KEY_ID}",
                "KEY_SECRET": "${SINCH_KEY_SECRET}",
                "PROJECT_ID": "${SINCH_PROJECT_ID}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/messaging.sms",
        "tool": "https://letme.dev/sinch"
      },
      "sameCompany": [
        "sinch-voice"
      ],
      "area": "communication",
      "unitPrices": [
        {
          "item": "SMS outbound, US 10DLC or toll-free",
          "unit": "message",
          "usd": 0.0078,
          "note": "plus carrier fees"
        },
        {
          "item": "SMS outbound, US short code",
          "unit": "message",
          "usd": 0.009,
          "note": "plus carrier fees"
        }
      ],
      "provenance": {
        "legalEntity": "Sinch AB (publ)",
        "domain": "sinch.com",
        "domainRegistered": "1997-12-03",
        "endpointOnVendorDomain": true,
        "terms": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/general-terms-and-conditions/",
        "privacy": "https://sinch.com/legal/privacy-notice/",
        "statusPage": "https://status.sinch.com",
        "changelog": "https://developers.sinch.com/docs/conversation/release-notes",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "The general terms name the contracting Sinch entity only in the order form or master agreement. Sinch AB (publ) is the listed parent."
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/sinch.json",
      "live": {
        "slug": "sinch",
        "probe": {
          "target": "https://us.sms.api.sinch.com/xms/v1",
          "method": "get",
          "lastAt": "2026-10-05T02:30:02.548097726Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 251,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 251,
          "p95ms24h": 286,
          "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.sinch.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-05T02:29:13.103994202Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "sinch/sinch-mcp-server",
            "version": "v0.0.1-alpha6",
            "released": "2026-04-14",
            "seenAt": "2026-10-04T16:40:04.435716963Z"
          },
          {
            "registry": "npm",
            "name": "@sinch/mcp",
            "version": "0.0.1-alpha.6",
            "seenAt": "2026-10-04T16:40:02.692338984Z"
          },
          {
            "registry": "npm",
            "name": "@sinch/sdk-core",
            "version": "1.6.0",
            "seenAt": "2026-10-04T16:40:02.237951249Z"
          },
          {
            "registry": "pypi",
            "name": "sinch",
            "version": "2.2.0",
            "released": "2026-09-21",
            "seenAt": "2026-10-04T16:40:02.585087516Z"
          }
        ],
        "githubStars": 1,
        "npmWeekly": 18032,
        "pypiWeekly": 12911,
        "securityTxt": {
          "url": "https://sinch.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:40.047440487Z"
        },
        "llmsTxt": {
          "url": "https://developers.sinch.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:15.885568819Z"
        },
        "domain": {
          "domain": "sinch.com",
          "registered": "1997-12-03",
          "source": "https://rdap.verisign.com/com/v1/domain/sinch.com",
          "checkedAt": "2026-10-04T13:05:54.744606475Z"
        },
        "pages": [
          {
            "url": "https://developers.sinch.com/docs/conversation/release-notes",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:02.860196611Z",
            "changedAt": "2026-10-04T15:43:02.860196611Z",
            "fingerprint": "3bd59d113afa"
          },
          {
            "url": "https://sinch.com/pricing/sms/",
            "kind": "pricing",
            "status": 304,
            "checkedAt": "2026-10-04T15:47:52.856561614Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "4d9f998b696c"
          }
        ],
        "updatedAt": "2026-10-05T02:30:02.548097726Z"
      }
    },
    "summary": "Sinch Messaging APIs + MCP has a score of 63.3 (B) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema \u0026 documentation, 22 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/plivo-vs-sinch",
    "json": "https://www.anchorterminal.com/compare/plivo-vs-sinch.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/plivo-vs-sinch.md",
    "slim": "https://www.anchorterminal.com/compare/plivo-vs-sinch.min.md"
  },
  "markdown": "Sinch Messaging APIs + MCP has a score of 63.3 (B) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema \u0026 documentation, 22 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- Sinch Messaging APIs + MCP: grade B, 63.3/100, rank #206 of 452. Markdown https://www.anchorterminal.com/tools/sinch.md · JSON https://www.anchorterminal.com/api/v1/tools/sinch.json\n\n## Which one, for what\n\nPick Plivo API for reliability (+5), agent ergonomics (+7).\n\nPick Sinch Messaging APIs + MCP for schema \u0026 documentation (+22), security \u0026 auth (+5), maintenance \u0026 community (+5).\n\n## Score by category\n\n| Category | Weight | Plivo API | Sinch Messaging APIs + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 78 | 73 | Plivo API +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 59 | 81 | Sinch Messaging APIs + MCP +22 |\n| Agent ergonomics | 13% (16.2 this run) | 57 | 50 | Plivo API +7 |\n| Security \u0026 auth | 14% (17.5 this run) | 45 | 50 | Sinch Messaging APIs + MCP +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 40 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 78 | 83 | Sinch Messaging APIs + MCP +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 70 | 73 | Sinch Messaging APIs + MCP +3 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **60.3 · C** | **63.3 · B** | |\n\n## Facts side by side\n\n| Fact | Plivo API | Sinch Messaging APIs + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Plivo | Sinch |\n| Hosted endpoint | `https://api.plivo.com/v1` | `https://us.sms.api.sinch.com/xms/v1` |\n| Transports | HTTP | HTTP, stdio, Streamable HTTP |\n| Auth | API key | OAuth or key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | MIT | Apache-2.0 |\n| Tools exposed | none | 54 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-25 | 2026-09-23 |\n| Popularity | 102 stars, 51k npm/wk, 69k PyPI/wk | 1 stars, 16k npm/wk, 11k PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 3/5 (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**Sinch Messaging APIs + MCP.** The Conversation API covers SMS, RCS, WhatsApp, Viber and Messenger through one message format. The MCP server is a developer preview whose npm release dates from 2026-04-14.\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### Sinch Messaging APIs + MCP\n\n1. Load the MCP with `--tags` for the channels you need, or all 54 tools land in context\n2. Keep a single-tenant HTTP MCP bound to localhost, it does no inbound authentication\n3. Expect sends to drain at 20 messages a second per app unless Sinch raises it\n4. Verify `x-sinch-webhook-signature` against the raw body before parsing the JSON\n5. Use the regional base URL (us, eu or br) that matches the project\n\n## Other comparisons with Plivo API or Sinch Messaging APIs + 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 Sinch Messaging APIs + MCP](https://www.anchorterminal.com/compare/bandwidth-vs-sinch.md)\n- [Bird API + MCP vs Plivo API](https://www.anchorterminal.com/compare/bird-vs-plivo.md)\n- [Bird API + MCP vs Sinch Messaging APIs + MCP](https://www.anchorterminal.com/compare/bird-vs-sinch.md)\n- [ClickSend SMS API + MCP vs Plivo API](https://www.anchorterminal.com/compare/clicksend-vs-plivo.md)\n- [ClickSend SMS API + MCP vs Sinch Messaging APIs + MCP](https://www.anchorterminal.com/compare/clicksend-vs-sinch.md)\n- [Infobip API + MCP vs Plivo API](https://www.anchorterminal.com/compare/infobip-vs-plivo.md)\n- [Infobip API + MCP vs Sinch Messaging APIs + MCP](https://www.anchorterminal.com/compare/infobip-vs-sinch.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- [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- [Sinch Messaging APIs + MCP vs Twilio API + MCP](https://www.anchorterminal.com/compare/sinch-vs-twilio.md)\n- [Sinch Messaging APIs + MCP vs Vonage Messages API + MCP](https://www.anchorterminal.com/compare/sinch-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 Sinch Messaging APIs + MCP](https://www.anchorterminal.com/compare/360dialog-vs-sinch.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": "Plivo API vs Sinch Messaging APIs + MCP",
        "url": ""
      }
    ],
    "description": "Sinch Messaging APIs + MCP has a score of 63.3 (B) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema \u0026 documentation, 22 points. Category scores, facts, verdicts and agent notes side by side.",
    "facts": [
      "Plivo API C 60.3",
      "Sinch Messaging APIs + MCP B 63.3",
      "scores"
    ],
    "h1": "Plivo API vs Sinch Messaging APIs + MCP",
    "image": "https://www.anchorterminal.com/assets/og/compare-plivo-vs-sinch.png",
    "path": "/compare/plivo-vs-sinch",
    "published": "2026-10-01",
    "section": "tools",
    "title": "Plivo API vs Sinch Messaging APIs + MCP for AI agents",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/compare/plivo-vs-sinch"
  },
  "tokens": {
    "markdown": 1550,
    "slim": 330
  },
  "version": 1
}
