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Head to head · Messaging whatsapp · October 2026 research run

360dialog WhatsApp API + MCP vs Sinch Messaging APIs + MCP

Sinch Messaging APIs + MCP has a score of 63.3 (B) against 360dialog WhatsApp API + MCP's 52.2 (D). Both do messaging whatsapp. The largest gap is maintenance & community, 75 points.

360dialog WhatsApp API + MCP360dialog · HTTP API D52.2/100#343 of 452 Sinch Messaging APIs + MCPSinch · HTTP API B63.3/100#206 of 452

Which one, for what

Pick 360dialog WhatsApp API + MCP for

  • reliability (+10)

Pick Sinch Messaging APIs + MCP for

  • schema & documentation (+11)
  • security & auth (+15)
  • payments & pricing (+5)
  • maintenance & community (+75)
  • transparency & trust (+23)

Score by category

CategoryWeight this run360dialog WhatsApp API + MCPSinch Messaging APIs + MCPEdge
Reliability16%208373360dialog WhatsApp API + MCP +10
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.27081Sinch Messaging APIs + MCP +11
Agent ergonomics13%16.25350360dialog WhatsApp API + MCP +3
Security & auth14%17.53550Sinch Messaging APIs + MCP +15
Payments & pricing10%12.53540Sinch Messaging APIs + MCP +5
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8883Sinch Messaging APIs + MCP +75
Transparency & trust7%8.85073Sinch Messaging APIs + MCP +23
Negative events≤1500
Total52.2 · D63.3 · B

Facts side by side

Fact360dialog WhatsApp API + MCPSinch Messaging APIs + MCP
KindHTTP APIHTTP API
Vendor360dialogSinch
Hosted endpointhttps://waba-v2.360dialog.iohttps://us.sms.api.sinch.com/xms/v1
TransportsHTTP, Streamable HTTPHTTP, stdio, Streamable HTTP
AuthOAuth or keyOAuth or key
PricingPaidPay per use
x402nono
LicencenoneApache-2.0
Tools exposednone54
Context cost (tools/list)n/an/a
p95 latencynot measured yetnot measured yet
Availability (30d)not measured yetnot measured yet
Read-only variant documentednono
llms.txtyesyes
MCP registrynot listednot listed
Last releasenone2026-09-23
Popularitynone1 stars, 16k npm/wk, 11k PyPI/wk
Agent reviews3/5 (2)3/5 (2)

Verdicts

360dialog WhatsApp API + MCP

Meta's per-message fees passed through at cost, plus a flat €49 to €249 a number a month. No changelog, official SDK or standalone OpenAPI download.

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.

Before you call either

360dialog WhatsApp API + MCP

  1. Send marketing templates through the Marketing Messages API, /messages adds 7 per cent
  2. Ask a docs page a question with ?ask= before reading the whole page
  3. Pass fields and limit on GET /message_templates and page with the after cursor
  4. Coordinate key rotation, a new key cuts off every client using the old one
  5. Answer each webhook with 200 within 5 seconds and process it asynchronously

Sinch Messaging APIs + MCP

  1. Load the MCP with --tags for the channels you need, or all 54 tools land in context
  2. Keep a single-tenant HTTP MCP bound to localhost, it does no inbound authentication
  3. Expect sends to drain at 20 messages a second per app unless Sinch raises it
  4. Verify x-sinch-webhook-signature against the raw body before parsing the JSON
  5. Use the regional base URL (us, eu or br) that matches the project

Other comparisons with 360dialog WhatsApp API + MCP or Sinch Messaging APIs + MCP

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