SMS API vs Conversation API
Messaging & Communication APIs · Side-by-side API comparison
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SMS API
nexmo
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Conversation API
nexmo
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| Description | With the SMS API you can send SMS from your account and lookup messages both messages that you've sent as well as messages sent to your virtual numbers. Numbers are specified in E.164 format. More SMS… | The Conversation API enables you to build conversation features where communication can take place across multiple mediums including IP Messaging, PSTN Voice, SMS and WebRTC Audio and Video. The conte… |
| Auth Type | No Auth | No Auth |
| Pricing | Free & Open | Free & Open |
| Uptime (7 days) | No data | No data |
| Avg Response | — | — |
| SDKs | — | — |
| Sample Requests | 1 endpoint | 3 endpoints |
| Categories | API | API |
| Full Details | View SMS API | View Conversation API |