---
title: "SAML ACS endpoint (social)"
method: POST
path: "/api/authn/saml/{connectorId}"
tags: ["Authn"]
deprecated: true
---

# SAML ACS endpoint (social)

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

> **Deprecated.**

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.

## Path parameters

- `connectorId` string, required

## Request body

- object — arbitrary

## Other responses

- `302` — Redirect to the endpoint to complete the authentication flow.
- `400` — Bad Request
- `404` — Not Found

---

[API](https://skmtc.net/logto/apis/logto-api-references.md) · [All operations](https://skmtc.net/logto/apis/logto-api-references/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/logto/logto-api-references/versions/a163dc77d842/schema)