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Twilio

Communications APIs for SMS, voice, and messaging

Developer Tools86/100

Communications platform offering programmable SMS, voice, WhatsApp, email (via SendGrid), and video APIs. Pay-as-you-go pricing — SMS starts at $0.0079/message in the US. Used by developers to add communications to applications without managing telecoms infrastructure.

Our take

Twilio is the default choice for developers adding communications to applications — its APIs are well-documented, SDKs cover every major language, and the pay-as-you-go model eliminates upfront commitments. The breadth is unmatched: SMS, voice, WhatsApp, video, email, and 2FA from one provider with one billing relationship. Cost management requires attention — uncapped PAYG models can surprise teams with unexpected bills at scale.

Product roadmap

Twilio is pushing deeper into AI-powered communications with CustomerAI and tighter Segment integration for data-driven messaging. Expects are adding LLM-powered voice agents to the platform.

Who is Twilio for?

Solo(1 person)
Great fit

Pay-as-you-go with trial credit. Best SMS/voice API for side projects and indie developers.

Small team(2–20 people)
Great fit

No monthly minimums, comprehensive SDKs, excellent documentation. The default starting point for developer-first teams.

Mid-size(21–200 people)
Great fit

Volume discounts kick in at meaningful scale. Twilio's breadth means consolidating all communications channels on one platform and invoice.

Large org(201–1,000+)
Good fit

Enterprise contracts offer committed-use rates. Some large orgs find hyperscaler-native SMS (AWS SNS) cheaper at extreme volumes.

Pricing

Free tier availableFrom $0/mo

Pay-as-you-go

Free
  • • SMS $0.0079/msg outbound
  • • Voice $0.0085/min
  • • WhatsApp $0.005/msg
  • • Email via SendGrid
  • • Free trial credit

Volume discounts

$null/mo
  • • Custom pricing at scale
  • • Account manager
  • • SLA guarantees
  • • Committed-use rates

Pricing verified 2026-04-16

Ratings

Ease of use
7/10
Value for money
7/10
Features
10/10
Support
7/10

Overall score: 86/100 (composite of the above ratings)

Features

core

SMS APIYes
Voice APIYes
WhatsApp APIYes
Email (SendGrid)Yes
Phone numbersYes

advanced

Verify (2FA)Yes
ConversationsYes
VideoYes
Flex (contact center)Yes
LookupYes

integrations

SalesforceYes
HubSpotYes
ZapierYes
SegmentYes
AWSYes

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Try Twilio free →

Founded: 2008

HQ: San Francisco, CA

Company size: 5,000+

Last updated: 2026-04-16