Telnyx SMS API
8.2#2 in sms api servicesFrom $500 a monthFree planWebAPI
VisitTelnyx SMS API vs Twilio Programmable Messaging
Twilio Programmable Messaging
7.3#12 in sms api servicesWebAPI
VisitWhat both publish
| Fact | Telnyx SMS API | Twilio Programmable Messaging |
|---|---|---|
| Developer support | Telnyx provides REST APIs, documentation and SDKs for Python, JavaScript, Go, Java and Ruby. | Twilio provides REST API documentation, SDKs, quickstarts, code samples, a developer community, and support resources. |
| Founded | 2009 | 2008 |
| Free plan | No | No |
| Headquarters | Chicago, Illinois, United States | San Francisco, California, USA |
| Inbound webhooks | Yes | Yes |
| Messaging channels | Supported sender channels include 10DLC, toll-free, short code, and alphanumeric sender ID. | Programmable Messaging supports SMS/MMS, WhatsApp, and RCS generally available, plus Facebook Messenger in public beta. |
| MMS support | Yes | Yes |
| SDK languages | SDKs are available in Python, JavaScript, Go, Java, and Ruby. | PHP,Node.js,C#/.NET,Java,Python,Ruby,Go |
| Short code support | Yes | Yes |
| Toll-free numbers | Yes | Yes |
| Two-way SMS | Yes | Yes |
Telnyx SMS API plans
- SMS API usageFree
- SMS API pay as you goFree
- Pay as you goFree
- Committed$500 a month
- Enterprise$5,000 a month
Twilio Programmable Messaging plans
- Pay as you goPriced on request
- Free trialFree
Pick Telnyx SMS API if…
This API suits developers building SMS or MMS messaging into applications, including workflows that need inbound webhooks, delivery reporting, or multiple sender types. Account limits and per-message charges are worth reviewing before use.
Pick Twilio Programmable Messaging if…
It suits developers and organizations building transactional messaging, customer support, or marketing workflows. Its API, SDKs, scheduling, and compliance controls are relevant to teams managing communications across multiple channels.