Documentation

|View llms-full.txt

Quickstart

Get an API key and send your first OTP in under 5 minutes.

Authentication

How to use your API key and what the rate limits are.

Sessions

Validate, refresh, and log out user sessions.

Identity

Recognise the same phone number across logins, and delete an identity on request.

Node.js SDK

Integrate MiniMoth into Node.js, Express, and Next.js apps using the official SDK.

Integrations

Firebase

Verify a phone number with MiniMoth, then mint a Firebase custom token from your own backend.

Supabase

Use MiniMoth as Supabase Auth's Send SMS Hook for WhatsApp-first, SMS-fallback OTP delivery to Indian phone numbers.

Auth0

Use MiniMoth as Auth0's custom phone provider for WhatsApp-first, SMS-fallback OTP delivery to Indian phone numbers.

Test Group

Let up to 5 real testers preview OTPs sent through your Supabase or Auth0 Test Hook, with no real messages sent and no charge for the previews themselves.

Recipes

Common integration patterns: OTP-only delivery, protecting routes, and handling token refresh.

Error Codes

Complete list of MiniMoth API error codes and their meanings.

International WhatsApp OTP

Send OTPs to US and EU phone numbers over WhatsApp — opt-in per region, no SMS fallback.

API Reference

Every MiniMoth API endpoint at a glance — method, path, and where to find the full details.

Dashboard

A tour of the MiniMoth dashboard: what each page is for, and the built-in conveniences — Playground, Test Group, spend cap, alerts, themes and Streamer mode.

Branding

Try the full OTP flow interactively in the sandbox — no SMS sent, no credits consumed. The same Playground also has a live test to send a real OTP to your phone (uses your credits).

Test in Playground →