---
title: "Handle External Provider Callback"
method: GET
path: "/api/oauth2/providers/{provider}/callback"
tags: ["OAuth 2.1"]
---

# Handle External Provider Callback

`GET /api/oauth2/providers/{provider}/callback`

## Request

- Base URL: `https://api.agentstack.tech` (the document declares no server; this is the origin it was published from)
- URL: `https://api.agentstack.tech/api/oauth2/providers/{provider}/callback`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Обработка callback от внешнего OAuth провайдера

Обменивает authorization code на токены и сохраняет их

## Path parameters

- `provider` string, required: Provider ID

## Query parameters

- `code` string, nullable: Authorization code from provider
- `state` string, nullable: State parameter
- `error` string, nullable: Error from provider

## Response `200`

Successful Response

- unknown

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `422`: Validation Error
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/agentstack/apis/agentstack-core-api.md) · [All operations](https://skmtc.dev/agentstack/apis/agentstack-core-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agentstack/apis/agentstack-core-api/revisions/8ecf3406e74a?raw)