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Sendexa RCS Business Messaging API
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What Sendexa RCS Business Messaging API is
Sendexa RCS Business Messaging API lets businesses send branded, interactive messages through customers’ default messaging apps. The API supports rich cards, carousels, media messages, and suggested replies or actions. Approved brand agents display a business name, logo, and verification badge. Delivery and read receipts, analytics, and webhook events provide activity tracking. Sendexa offers a REST API, Node and Python SDKs, and webhooks. Requests use HTTPS and HTTP Basic Auth with a dashboard Base64 token; its security guidance specifies TLS 1.2 as the minimum and HMAC-SHA256 webhook signatures. If RCS is unavailable, messages can fall back automatically to SMS, billed at SMS rates. RCS is in Preview, and availability depends on country, carrier, and device support, with the initial rollout targeting Ghana. Starter and Business cost $0.03, paid once, billed per message, while Enterprise uses volume pricing. A 14-day trial is available, but there is no free plan.
Who it suits
Sendexa identifies banks, fintechs, telcos, retail, e-commerce, and customer support teams as users for branded RCS messaging. It suits teams integrating messaging through APIs and webhooks.
What it does well
- Rich cards, carousels, and media messages
- Verified brand agents show business identity
- Automatic SMS fallback when RCS is unavailable
- Delivery receipts, analytics, and webhooks
- Node and Python SDKs
What to know first
- RCS remains in Preview
- Availability varies by carrier and device
- Initial rollout targets Ghana
- SMS fallback is billed separately
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Starter | per message; SMS fallback billed separately · Rich cards & text · SMS fallback · basic analytics · 1 brand agent · email support | $0.03, paid once |
| Business | per message; SMS fallback billed separately · Carousels & suggested replies · media messages · read receipts · advanced analytics · webhook events · priority support | $0.03, paid once |
| Enterprise | volume pricing · Volume discounts · multiple brand agents · dedicated throughput · SLA guarantee (99.99%) · 24/7 dedicated support · custom integrations | On request |
As sendexa.co lists them, read 7 Oct 2026. The maker's own page has the final word.
Verdict
Sendexa provides API-based RCS messaging with rich content, branded senders, tracking, and SMS fallback. Teams should account for preview status, regional availability, and per-message billing.
Facts from Sendexa RCS Business Messaging API's own pages
- Authentication
- RCS API requests use HTTP Basic Auth with a dashboard Base64 token and HTTPS. · developers.sendexa.co, 7 Oct 2026
- Availability limit
- RCS availability depends on carrier and device support by country, and the documentation says its initial rollout targets Ghana. · developers.sendexa.co, 7 Oct 2026
- Brand identity
- Approved brand agents display a business name, logo, and verification badge. · developers.sendexa.co, 7 Oct 2026
- Engagement tracking
- Sendexa provides delivery and read receipts, analytics, and webhook events for message activity. · sendexa.co, 7 Oct 2026
- Fallback
- When RCS is unavailable, the service can automatically fall back to SMS, which is billed at SMS rates. · sendexa.co, 7 Oct 2026
- Founded
- 2025 · sendexa.co, 28 Sept 2026
- Free trial
- The pricing page advertises a 14-day free trial, and the RCS page says new accounts can send trial messages. · sendexa.co, 7 Oct 2026
- Integration
- The product offers a REST API, Node and Python SDKs, and webhooks. · sendexa.co, 7 Oct 2026
- Intended users
- Sendexa identifies banks, fintechs, telcos, retail, e-commerce, and customer support teams as RCS use cases. · developers.sendexa.co, 7 Oct 2026
- Preview status
- RCS is in Preview, and Sendexa says agent verification and carrier launch usually take 2–4 weeks or longer on carrier-managed networks. · developers.sendexa.co, 7 Oct 2026
- Purpose
- RCS Business Messaging sends branded, interactive messages in customers’ default messaging apps. · sendexa.co, 7 Oct 2026
- Rich content
- The API supports rich cards, carousels, media messages, and suggested replies or actions. · developers.sendexa.co, 7 Oct 2026
- Security
- Sendexa’s developer security guidance specifies TLS 1.2 as the minimum and HMAC-SHA256 signatures for webhooks. · developers.sendexa.co, 7 Oct 2026
- Support
- The RCS plans list email support for Starter, priority support for Business, and 24/7 dedicated support for Enterprise. · sendexa.co, 7 Oct 2026
Where Sendexa RCS Business Messaging API stands on Freedom251
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