One API key for WhatsApp, SMS, OTP, and email. No per-product accounts, no stitching together four different SDKs.
| Feature | SendAPI | Twilio |
|---|---|---|
| WhatsApp Business API | ✓ | ✓ |
| SMS API | ✓ | ✓ |
| OTP / Verify API | ✓ | ✓ |
| Transactional Email API | ✓ | ✓ |
| Unified API key (all channels) | ✓ | ✗ |
| Single dashboard for all channels | ✓ | ✗ |
| Free trial (no credit card) | ✓ | ✗ |
| Transparent flat pricing | ✓ | ✗ |
| TypeScript, Python, Go SDKs | ✓ | ✓ |
| Idempotency keys | ✓ | ✓ |
| Webhook delivery receipts | ✓ | ✓ |
| Dedicated IP pools (email) | ✓ | ✓ |
| Provider | Pricing Model |
|---|---|
| SendAPI | From $9/month. All channels included. 7-day free trial. |
| Twilio | Pay-per-use per product. Separate accounts for WhatsApp, SMS, Email, and Verify. |
Yes. SendAPI provides the same core capabilities as Twilio — WhatsApp Business API, SMS, OTP verification, and transactional email — but through a single unified API and dashboard instead of separate Twilio products (Twilio Messaging, Twilio Verify, SendGrid, etc.).
Yes. SendAPI uses a similar REST API structure. Most migrations involve updating your API endpoint URLs, swapping your API key, and adjusting any Twilio-specific response field names. Our team can assist with migration for Growth and Business plan customers.
For most use cases, yes. SendAPI uses flat monthly plan pricing with bundled usage, while Twilio charges per message/conversation across separate products. For teams using multiple channels, SendAPI is typically significantly cheaper.
SendAPI delivers SMS to 190+ countries with direct carrier routing. WhatsApp is available globally. Coverage is comparable to Twilio for most commercial markets.