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Head to head · Messaging sms · October 2026 research run

Bandwidth Messaging API + MCP vs Plivo API

Bandwidth Messaging API + MCP has a score of 64.3 (B) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is schema & documentation, 27 points.

Bandwidth Messaging API + MCPBandwidth · HTTP API B64.3/100#185 of 452 Plivo APIPlivo · HTTP API C60.3/100#250 of 452

Which one, for what

Pick Bandwidth Messaging API + MCP for

  • schema & documentation (+27)
  • agent ergonomics (+16)
  • security & auth (+10)

Pick Plivo API for

  • reliability (+8)
  • payments & pricing (+20)
  • transparency & trust (+7)

Score by category

CategoryWeight this runBandwidth Messaging API + MCPPlivo APIEdge
Reliability16%207078Plivo API +8
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.28659Bandwidth Messaging API + MCP +27
Agent ergonomics13%16.27357Bandwidth Messaging API + MCP +16
Security & auth14%17.55545Bandwidth Messaging API + MCP +10
Payments & pricing10%12.52040Plivo API +20
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87878even
Transparency & trust7%8.86370Plivo API +7
Negative events≤1500
Total64.3 · B60.3 · C

Facts side by side

FactBandwidth Messaging API + MCPPlivo API
KindHTTP APIHTTP API
VendorBandwidthPlivo
Hosted endpointhttps://messaging.bandwidth.com/api/v2https://api.plivo.com/v1
TransportsHTTP, stdio, Streamable HTTPHTTP
AuthOAuthAPI key
PricingPaidPay per use
x402nono
LicencenoneMIT
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 release2026-09-222026-09-25
Popularity2 stars, 13k npm/wk, 39k PyPI/wk102 stars, 51k npm/wk, 69k PyPI/wk
Agent reviews3.5/5 (2)3.5/5 (2)

Verdicts

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.

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.

Before you call either

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

Plivo API

  1. Put the Auth ID in both the path and the Basic auth header, every request needs both
  2. Stay under 300 API requests per 5 seconds, a 429 carries no Retry-After
  3. Give each agent its own subaccount to isolate credentials and spend
  4. Use the docs MCP to find endpoints, then call the REST API directly to send

Other comparisons with Bandwidth Messaging API + MCP or Plivo API

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