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

# Get the caller's own FCM

> Returns your own FCM. Requires an FCM-level API key.



## OpenAPI

````yaml /api-reference/derivatives-predictions-api/rest-api/cpm-spec.json get /api/fcms/{id}
openapi: 3.0.3
info:
  title: CPM Public REST API
  version: 0.1.0
servers:
  - url: https://api.example.com
    variables: {}
security:
  - auth_api_key: []
  - auth_timestamp: []
  - auth_passphrase: []
  - auth_signature: []
paths:
  /api/fcms/{id}:
    get:
      tags:
        - Account
      summary: Get the caller's own FCM
      description: Returns your own FCM. Requires an FCM-level API key.
      operationId: getFcm
      parameters:
        - name: id
          in: path
          description: >-
            FCM ID, as a decimal string. Must be your own FCM; any other ID, or
            a FIRM-level key, returns 403.
          required: true
          deprecated: false
          allowEmptyValue: false
          schema:
            type: string
      responses:
        '200':
          description: FCM
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FcmReferenceResponse'
        '403':
          description: Not the caller's own FCM
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderErrorResponse'
        '404':
          description: FCM not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ReferenceDataErrorResponse'
      deprecated: false
      security: []
components:
  schemas:
    FcmReferenceResponse:
      type: object
      additionalProperties: false
      properties:
        id:
          type: string
          description: FCM id, as a canonical decimal string.
          example: '198471892341'
        name:
          type: string
          description: FCM name.
          example: Acme Clearing
        code:
          type: string
          description: Three-character FCM code.
          example: ACM
        status:
          type: string
          description: FCM status, for example ACTIVE or DISABLED.
          example: ACTIVE
        updated_at:
          type: integer
          format: int64
          description: Time of the FCM's last update, in nanoseconds since the Unix epoch.
          example: 1795651200123456800
      required:
        - updated_at
    OrderErrorResponse:
      type: object
      additionalProperties: false
      properties:
        error:
          type: string
          description: >-
            Machine-readable error code, for example INVALID_FIELD,
            INSUFFICIENT_BALANCE, or UNAUTHORIZED.
          example: INVALID_FIELD
        message:
          type: string
          description: Human-readable description of the error.
          example: 'side must be one of: BUY, SELL, BUY_NO, SELL_NO'
    ReferenceDataErrorResponse:
      type: object
      additionalProperties: false
      properties:
        error:
          $ref: '#/components/schemas/Error'
          description: Error details.
    Error:
      type: object
      additionalProperties: false
      properties:
        code:
          type: string
          description: >-
            Machine-readable error code, for example INVALID_PARAMETER,
            NOT_FOUND, or INTERNAL_ERROR.
          example: INVALID_PARAMETER
        message:
          type: string
          description: Human-readable description of the error.
          example: cursor is invalid or belongs to another resource type
        field:
          type: string
          description: >-
            Name of the request parameter that caused the error, or null when
            the error is not tied to one parameter.
          example: cursor
  securitySchemes:
    auth_api_key:
      name: CB-ACCESS-KEY
      description: The API key string for the request
      in: header
      type: apiKey
    auth_timestamp:
      name: CB-ACCESS-TIMESTAMP
      description: The request timestamp (epoch seconds)
      in: header
      type: apiKey
    auth_passphrase:
      name: CB-ACCESS-PASSPHRASE
      description: The passphrase for the API key
      in: header
      type: apiKey
    auth_signature:
      name: CB-ACCESS-SIGN
      description: HMAC SHA-256 signature over TIMESTAMP + METHOD + REQUEST_PATH + BODY
      in: header
      type: apiKey

````