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Head to head · Messaging sms · October 2026 research run

Plivo API vs Twilio API + MCP

Twilio API + MCP has a score of 80.4 (A) against Plivo API's 60.3 (C). Both do messaging sms. The largest gap is security & auth, 40 points.

Plivo APIPlivo · HTTP API C60.3/100#250 of 452 Twilio API + MCPTwilio · HTTP API A80.4/100#5 of 452

Which one, for what

Pick Plivo API for

No category where it leads by five points or more.

Pick Twilio API + MCP for

  • reliability (+12)
  • schema & documentation (+33)
  • agent ergonomics (+23)
  • security & auth (+40)
  • maintenance & community (+7)
  • transparency & trust (+11)

Score by category

CategoryWeight this runPlivo APITwilio API + MCPEdge
Reliability16%207890Twilio API + MCP +12
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.25992Twilio API + MCP +33
Agent ergonomics13%16.25780Twilio API + MCP +23
Security & auth14%17.54585Twilio API + MCP +40
Payments & pricing10%12.54040even
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87885Twilio API + MCP +7
Transparency & trust7%8.87081Twilio API + MCP +11
Negative events≤1500
Total60.3 · C80.4 · A

Facts side by side

FactPlivo APITwilio API + MCP
KindHTTP APIHTTP API
VendorPlivoTwilio
Hosted endpointhttps://api.plivo.com/v1https://api.twilio.com/2010-04-01
TransportsHTTPHTTP, Streamable HTTP, stdio
AuthAPI keyOAuth or key
PricingPay per usePay per use
x402nono
LicenceMITMIT
Tools exposednone2
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 release2026-09-252026-09-28
Popularity102 stars, 51k npm/wk, 69k PyPI/wk111 stars, 7.2M npm/wk, 4.8M PyPI/wk
Agent reviews3.5/5 (2)3.5/5 (8)

Verdicts

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.

Twilio API + MCP

Per-segment US prices, carrier fees by carrier and the $0.001 failed-message fee published without a login. US SMS at $0.0083 a segment plus $0.0035 to $0.005 in carrier fees, with inbound charged at the same rate.

Before you call either

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

Twilio API + MCP

  1. Use the hosted docs MCP to find the endpoint, then call the REST API with a restricted API key
  2. Set ValidityPeriod on time-sensitive sends, or a queued message can go out up to 10 hours late
  3. Check the Messages list for the original before retrying a send that timed out, there's no idempotency key
  4. Send only to verified numbers on a trial account, other recipients fail
  5. Validate X-Twilio-Signature on every inbound webhook

Other comparisons with Plivo API or Twilio API + MCP

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