> ## Documentation Index
> Fetch the complete documentation index at: https://www.posted.cc/llms.txt
> Use this file to discover all available pages before exploring further.

# Begin a social account connection

> Creates OAuth state and PKCE material and returns the provider authorization URL. Bluesky requires a valid handle; complete authorization in the provider browser flow.

Administrator access with explicit administrator permission on API keys or MCP credentials, or a signed-in administrator.

Creates OAuth state and PKCE material and returns the provider authorization URL. Bluesky requires a valid handle; complete authorization in the provider browser flow.

[Request conventions](/api-reference/overview) · [API keys](/api-keys) · [MCP connections](/mcp-connections)


## OpenAPI

````yaml api-reference/openapi.json POST /api/social/connect/{provider}
openapi: 3.1.0
info:
  title: Posted HTTP API
  version: 0.2.0
  description: >-
    All registered application, account, OAuth, MCP transport and health
    endpoints. Publishing and draft request schemas come from the shared runtime
    validators. Replace the example server with your installation. Documentation
    uses simple request examples and does not execute live publishing requests.
servers:
  - url: https://posted-api.example.com
security: []
paths:
  /api/social/connect/{provider}:
    post:
      tags:
        - Social connections
      summary: Begin a social account connection
      description: >-
        Creates OAuth state and PKCE material and returns the provider
        authorization URL. Bluesky requires a valid handle; complete
        authorization in the provider browser flow.


        Administrator access with explicit administrator permission on API keys
        or MCP credentials, or a signed-in administrator.
      operationId: post_api_social_connect_by_provider
      parameters:
        - name: provider
          in: path
          required: true
          schema:
            type: string
            enum:
              - x
              - threads
              - linkedin
              - bluesky
          description: >-
            The provider from the corresponding list, record or authorization
            response.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                handle:
                  type: string
                  maxLength: 253
              additionalProperties: false
      responses:
        '200':
          description: >-
            Successful response. Examples are illustrative; field values vary by
            record.
          content:
            application/json:
              schema:
                type: object
                properties:
                  authorizationUrl:
                    type: string
                additionalProperties: true
              example:
                authorizationUrl: https://provider.example.test/authorize?state=example
        default:
          description: >-
            Request failure. Inspect code, message and requestId; respect
            Retry-After on HTTP 429.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - bearerAuth: []
        - sessionCookie: []
components:
  schemas:
    Error:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
            - requestId
          properties:
            code:
              type: string
            message:
              type: string
            requestId:
              type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Personal or team Posted REST API key
    sessionCookie:
      type: apiKey
      in: cookie
      name: posted_session
      description: >-
        Signed-in human browser session; mutation requests also need the exact
        UI Origin

````

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