Providers overview

Each provider is a value implementing goauth.Provider:

type Provider interface {
    ID() string
    Name() string
    Type() ProviderType
}

Register providers in Config.Providers. Routes are always:

• GET/POST {base}/signin/{id}
• GET/POST {base}/callback/{id}

Provider types

Type	Constructors	Adapter required?
oauth / oidc	github, google, oauth, oidc, azuread	Recommended
credentials	credentials	No (JWT sessions)
email	email	Yes
passkey	passkey	Yes + AuthenticatorStore

Public provider JSON

GET /auth/providers returns Auth.js-compatible metadata:

{
  "github": {
    "id": "github",
    "name": "GitHub",
    "type": "oauth",
    "signinUrl": "https://app.example.com/auth/signin/github",
    "callbackUrl": "https://app.example.com/auth/callback/github"
  }
}

Choosing a provider

Use case	Provider
Social login	OAuth & OIDC
Email + password	Credentials
Magic link	Email & OTP
Passwordless biometric	Passkey
Microsoft work accounts	Azure AD