Sendexa RCS Business Messaging API
6.2#10 in rcs messaging platforms$0.03 one-timeWebAPI
VisitSendexa RCS Business Messaging API vs SMS.es Business Messenger
SMS.es Business Messenger
7.3#4 in rcs messaging platformsFrom €39 a monthFree planWebAPI
VisitWhat both publish
| Fact | Sendexa RCS Business Messaging API | SMS.es Business Messenger |
|---|---|---|
| Authentication | RCS API requests use HTTP Basic Auth with a dashboard Base64 token and HTTPS. | API access uses OAuth2 client credentials, and the page says access tokens are valid for seven days. |
| Intended users | Sendexa identifies banks, fintechs, telcos, retail, e-commerce, and customer support teams as RCS use cases. | The product is presented for businesses sending RCS campaigns, with use cases including promotional, transactional, OTP, and multi-use messaging. |
| Security | Sendexa’s developer security guidance specifies TLS 1.2 as the minimum and HMAC-SHA256 signatures for webhooks. | The RCS guide says business messages use transport-level TLS encryption; its end-to-end encryption statement applies to person-to-person conversations in Google Messages. |
| Support | The RCS plans list email support for Starter, priority support for Business, and 24/7 dedicated support for Enterprise. | The Inicio tier includes email support, while the Empresa tier includes priority email and chat support. |
Sendexa RCS Business Messaging API plans
- Business$0.03, paid once
- Starter$0.03, paid once
- EnterprisePriced on request
SMS.es Business Messenger plans
- InicioFree
- EmpresaFree
- SMS Starter€5, paid once
- RCS channel add-on€20 a month
- Conversacional€39 a month
- Omnicanal€79 a month
Pick Sendexa RCS Business Messaging API if…
You want what its maker publishes above — check its page for the details.
Pick SMS.es Business Messenger if…
This service suits businesses sending promotional, transactional, OTP, or mixed RCS campaigns through an API or web interface. It is most relevant where teams can manage opt-in and carrier approval before public launch.