# UPESI SMS

> Tanzanian SMS gateway (Vodacom, Airtel, Yas, Halotel, TTCL): REST/JSON API for SMS, bulk SMS, OTP, delivery reports, signed webhooks, and a reseller API for billing platforms that sell SMS to their own customers.

## Docs
- [Integration guide for AI coding assistants](https://upesisms.com/ai.md): everything needed to build an integration correctly, with rules, endpoints, errors, webhooks, resellers and ready code (Node.js, Python, PHP).
- [API reference](https://upesisms.com/docs): human-readable reference.