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

# Capability limits for a single platform



## OpenAPI

````yaml /api-reference/openapi.yaml get /v1/platforms/{platform}
openapi: 3.1.0
info:
  title: Sydium Public API
  version: 1.0.0
servers:
  - url: https://api.sydium.com
security:
  - ApiKey: []
paths:
  /v1/platforms/{platform}:
    get:
      summary: Capability limits for a single platform
      operationId: getPlatformCapability
      parameters:
        - name: platform
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Single platform capability
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SinglePlatformCapabilityResponse'
        '401':
          description: Unauthenticated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Forbidden (scope/permission)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Unknown platform
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Rate limited / insufficient tokens
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    SinglePlatformCapabilityResponse:
      type: object
      required:
        - success
        - data
        - meta
      properties:
        success:
          const: true
        data:
          $ref: '#/components/schemas/PlatformCapability'
        meta:
          type: object
    ErrorResponse:
      type: object
      required:
        - success
        - error
      properties:
        success:
          const: false
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              enum:
                - unauthorized
                - forbidden
                - insufficient_permissions
                - not_found
                - unprocessable
                - rate_limited
                - invalid_state
                - external_service_error
                - internal_error
            message:
              type: string
        meta:
          type: object
    PlatformCapability:
      type: object
      required:
        - platform
        - captionLimit
        - maxMediaItems
        - mediaTypes
      properties:
        platform:
          type: string
        captionLimit:
          type: integer
        titleLimit:
          type:
            - integer
            - 'null'
        descriptionLimit:
          type:
            - integer
            - 'null'
        maxMediaItems:
          type: integer
        mediaTypes:
          type: array
          items:
            type: string
        media:
          type:
            - object
            - 'null'
  securitySchemes:
    ApiKey:
      type: http
      scheme: bearer
      description: Opaque API key (sk_live_... / sk_test_...)

````