notifications
Twilio
Programmable SMS, voice, WhatsApp, email, video — global communication cloud
Market leader in programmable communications: SMS, MMS, RCS, WhatsApp, Voice, Video, Verify (2FA), Lookup, Segment CDP. Global coverage, 10DLC compliance, carrier relationships.
Pricing
| Tier | Price | Notes |
|---|---|---|
| Pay-as-you-go | Free | No monthly fee. Per-unit pricing for SMS, Voice, etc. Free $15 trial credit on signup. |
| Volume Discounts | Free | Auto-negotiated lower per-message rates when monthly spend grows. |
| Enterprise | Custom | Custom contracts, SLA, dedicated support, private hosting. |
Limits
| Tier | Metric | Value | Notes |
|---|---|---|---|
| — | a2p 10dlc | Registration required for US SMS at scale | 10DLC US compliance |
| — | failed message fee | $0.001/message | Failed processing fee |
| — | lookup basic | Free (carrier info) | Lookup basic |
| — | lookup line type | $0.005/query | Line type lookup |
| — | mms in usa | $0.0165/message | US inbound MMS |
| — | mms out usa | $0.0220/message | US outbound MMS |
| — | phone long code monthly | $1.15/month (Twilio-leased) or $0.50 BYO | Long code monthly fee |
| — | phone short code | $1,000 random / $1,500 vanity per quarter | US short code |
| — | phone toll free monthly | $2.15/month | Toll-free monthly fee |
| — | rcs out usa | $0.0083/segment (rich) | RCS outbound |
| — | sms in usa long | $0.0083/segment (inbound) | US inbound SMS |
| — | sms out usa long | $0.0083/segment (outbound, long code) | US outbound SMS (long code) |
| — | verify email | $0.05/verification | Verify email link |
| — | verify sms usa | $0.05/verification | Verify (2FA SMS) |
| — | verify voice usa | $0.085/verification | Verify (2FA voice) |
| — | voice in usa | $0.0085/min (inbound) | US inbound voice |
| — | voice out usa | $0.0140/min (outbound, long code) | US outbound voice |
| — | whatsapp session | $0.005/message + Meta conversation fee | WhatsApp Business API |
Features
- Conversations API — Unified 2-way messaging across SMS, WhatsApp, MMS, Chat.
- Functions — Serverless Node.js runtime inside Twilio.
- Lookup — Validate phone number, carrier type, SIM swap detection. · docs
- Marketing Campaigns — Via SendGrid; email campaigns product.
- Programmable MMS — Multimedia messaging (US/CA).
- Programmable SMS — Global SMS send/receive with delivery tracking, A2P 10DLC, short codes. · docs
- Programmable Video — WebRTC video rooms + recording + composition. · docs
- Programmable Voice — Outbound/inbound calls, call queuing, IVR, recording, SIP trunking. · docs
- RCS Messaging — Rich Communication Services with verified sender brands, media, buttons.
- Segment (CDP) — Customer Data Platform owned by Twilio. · docs
- SendGrid (Email) — Twilio-owned email product. Separately priced.
- Studio (visual) — No-code flow builder for IVR, messaging workflows.
- Twilio Engage — Multi-channel marketing orchestration on Segment data.
- Twilio Flex — Programmable contact center (cloud CCaaS).
- Verify (2FA) — Multi-channel OTP: SMS, voice, email, WhatsApp, Push, TOTP. · docs
- WhatsApp Business — Official WhatsApp Business API via Twilio as BSP. · docs
Developer interfaces
| Slug | Name | Kind | Version |
|---|---|---|---|
| webhooks | Status Callback Webhooks | other | — |
| studio | Studio Flow (no-code) | other | — |
| cli | Twilio CLI | cli | 5.x |
| sdk-csharp | twilio-csharp | sdk | 7.x |
| functions | Twilio Functions (Node) | other | — |
| sdk-go | twilio-go | sdk | 1.x |
| sdk-java | twilio-java | sdk | 10.x |
| mcp | Twilio MCP Server | mcp | — |
| sdk-node | twilio (Node) | sdk | 5.x |
| sdk-php | twilio-php | sdk | 8.x |
| sdk-python | twilio-python | sdk | 9.x |
| rest-api | Twilio REST API | rest | 2010-04-01 |
| sdk-ruby | twilio-ruby | sdk | 7.x |
| twiml | TwiML (XML markup) | other | — |
Compare Twilio with
ai-api
Twilio vs Anthropic API
Side-by-side breakdown.
ai-api
Twilio vs AssemblyAI
Side-by-side breakdown.
ai-api
Twilio vs Deepgram
Side-by-side breakdown.
ai-api
Twilio vs ElevenLabs
Side-by-side breakdown.
ai-api
Twilio vs Google Gemini API
Side-by-side breakdown.
ai-api
Twilio vs Groq
Side-by-side breakdown.
ai-api
Twilio vs OpenAI API
Side-by-side breakdown.
ai-api
Twilio vs Replicate
Side-by-side breakdown.
Staxly is an independent catalog of developer platforms. Outbound links to Twilio are plain references to their official pages. Pricing is verified at publication time — reconfirm on the vendor site before buying.