# SAML ACS endpoint (social)

**POST /api/authn/saml/{connectorId}**

The Assertion Consumer Service (ACS) endpoint for Simple Assertion Markup Language (SAML) social connectors.

SAML social connectors are deprecated. Use the SSO SAML connector instead.


## Servers
- Logto endpoint address.: https://[tenant_id].logto.app (Logto endpoint address.)



## Parameters

#### Path parameters
- **connectorId** (string)
  The unique identifier of the connector.


## Body parameters
Content-type: application/json

object

## Responses
### 302: Redirect to the endpoint to complete the authentication flow.

### 400: Bad Request

### 404: Not Found


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