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Head to head · Messaging inbound · October 2026 research run

360dialog WhatsApp API + MCP vs Bandwidth Messaging API + MCP

Bandwidth Messaging API + MCP has a score of 64.3 (B) against 360dialog WhatsApp API + MCP's 52.2 (D). Both do messaging inbound. The largest gap is maintenance & community, 70 points.

360dialog WhatsApp API + MCP360dialog · HTTP API D52.2/100#343 of 452 Bandwidth Messaging API + MCPBandwidth · HTTP API B64.3/100#185 of 452

Which one, for what

Pick 360dialog WhatsApp API + MCP for

  • reliability (+13)
  • payments & pricing (+15)

Pick Bandwidth Messaging API + MCP for

  • schema & documentation (+16)
  • agent ergonomics (+20)
  • security & auth (+20)
  • maintenance & community (+70)
  • transparency & trust (+13)

Score by category

CategoryWeight this run360dialog WhatsApp API + MCPBandwidth Messaging API + MCPEdge
Reliability16%208370360dialog WhatsApp API + MCP +13
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.27086Bandwidth Messaging API + MCP +16
Agent ergonomics13%16.25373Bandwidth Messaging API + MCP +20
Security & auth14%17.53555Bandwidth Messaging API + MCP +20
Payments & pricing10%12.53520360dialog WhatsApp API + MCP +15
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8878Bandwidth Messaging API + MCP +70
Transparency & trust7%8.85063Bandwidth Messaging API + MCP +13
Negative events≤1500
Total52.2 · D64.3 · B

Facts side by side

Fact360dialog WhatsApp API + MCPBandwidth Messaging API + MCP
KindHTTP APIHTTP API
Vendor360dialogBandwidth
Hosted endpointhttps://waba-v2.360dialog.iohttps://messaging.bandwidth.com/api/v2
TransportsHTTP, Streamable HTTPHTTP, stdio, Streamable HTTP
AuthOAuth or keyOAuth
PricingPaidPaid
x402nono
Licencenonenone
Tools exposednonenone
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 releasenone2026-09-22
Popularitynone2 stars, 13k npm/wk, 39k PyPI/wk
Agent reviews3/5 (2)3.5/5 (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.

Bandwidth Messaging API + MCP

10DLC SMS $0.004, toll-free $0.007 and short code $0.008 a message, published. Messaging accounts are onboarded by sales, and the free Build trial covers voice only.

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

Bandwidth Messaging API + MCP

  1. Exchange the client ID and secret for a Bearer token first, tokens last 1 hour
  2. Set BW_MCP_PROFILE=messaging to load only the messaging tools
  3. Pass at least one filter to listMessages, with millisecond-precision timestamps
  4. On a 429, read the allowed rate in the error and pace sends to it

Other comparisons with 360dialog WhatsApp API + MCP or Bandwidth Messaging API + MCP

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