# Supabase Authentication API

**Canonical:** https://apis.io/apis/supabase/supabase-authentication-api/  
**Provider:** Supabase — https://apis.io/providers/supabase/  
**Documentation:** https://supabase.com/docs/reference/api/introduction

Supabase Authentication API is one of 21 APIs that [Supabase](https://apis.io/providers/supabase/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Authentication. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

User signup, signin, and token management endpoints.

## Operations (8)

| Method | Path | Summary |
|---|---|---|
| POST | `/signup` | Sign up a new user |
| POST | `/token` | Sign in with credentials |
| POST | `/otp` | Send a one-time password |
| POST | `/magiclink` | Send a magic link |
| POST | `/recover` | Send password recovery email |
| POST | `/verify` | Verify an OTP or token hash |
| GET | `/verify` | Verify OTP via redirect |
| POST | `/logout` | Sign out a user |

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/supabase/refs/heads/main/openapi/supabase-authentication-api-openapi.yml
- **Documentation** — https://supabase.com/docs/reference/api/introduction
- **Documentation** — https://supabase.com/docs/guides/auth
- **Documentation** — https://supabase.com/docs/guides/storage
- **Documentation** — https://supabase.com/docs/guides/api
- **Documentation** — https://supabase.com/docs/guides/functions

## Other Supabase APIs (12)

- [Supabase Realtime API](https://apis.io/apis/supabase/realtime-api/)
- [Supabase Admin API](https://apis.io/apis/supabase/supabase-admin-api/)
- [Supabase Buckets API](https://apis.io/apis/supabase/supabase-buckets-api/)
- [Supabase Configuration API](https://apis.io/apis/supabase/supabase-configuration-api/)
- [Supabase Database API](https://apis.io/apis/supabase/supabase-database-api/)
- [Supabase Domains API](https://apis.io/apis/supabase/supabase-domains-api/)
- [Supabase Functions API](https://apis.io/apis/supabase/supabase-functions-api/)
- [Supabase Invocation API](https://apis.io/apis/supabase/supabase-invocation-api/)
- [Supabase MFA API](https://apis.io/apis/supabase/supabase-mfa-api/)
- [Supabase Network API](https://apis.io/apis/supabase/supabase-network-api/)
- [Supabase Objects API](https://apis.io/apis/supabase/supabase-objects-api/)
- [Supabase Organizations API](https://apis.io/apis/supabase/supabase-organizations-api/)

## Tags

Authentication

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/supabase/supabase-authentication-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/supabase/.