# Esemes Gateway > Send SMS (and one-time codes) from your own Android phone + SIM through a REST API. Mauritian mobile numbers only. Invite only. API base: https://sms.bizmakers.app · Auth: Authorization: Bearer (live smk_..., test smt_...) · OpenAPI: https://sms.bizmakers.app/v1/openapi.json ## Docs - [Quickstart](https://sms-admin.bizmakers.app/docs/quickstart): Send your first SMS in 5 minutes. - [Sending messages](https://sms-admin.bizmakers.app/docs/sending): POST /v1/messages, templates, idempotency, scheduling, states. - [One-time codes (OTP)](https://sms-admin.bizmakers.app/docs/otp): Phone verification and login codes in two calls. - [Webhooks](https://sms-admin.bizmakers.app/docs/webhooks): Delivery updates and replies pushed to your server, signed. - [Replies and opt-outs](https://sms-admin.bizmakers.app/docs/replies): Opt-out links, inbound replies, STOP and privacy. - [Test mode](https://sms-admin.bizmakers.app/docs/test-mode): Build and test without sending real SMS. - [Errors](https://sms-admin.bizmakers.app/docs/errors): Every error code and what to do. - [Limits](https://sms-admin.bizmakers.app/docs/limits): Rate limits, quotas and phone ceilings. - [AI agents](https://sms-admin.bizmakers.app/docs/ai-agents): Let Claude, Cursor or another agent add SMS to your app safely. - [SDKs](https://sms-admin.bizmakers.app/docs/sdks): Small JavaScript/TypeScript and Python clients. - [Agent skill](https://sms-admin.bizmakers.app/docs/agent-skill): A step-by-step skill an AI agent follows to add SMS one-time-code login correctly. ## Optional - [Everything in one file](https://sms-admin.bizmakers.app/llms-full.txt)