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

# API call log: every admitted buyer API request, including failures and denials



## OpenAPI

````yaml /openapi/buyer.yaml get /api/v2/activity/calls
openapi: 3.1.0
info:
  title: Semicola Exchange buyer API
  version: 2.0.0
  description: >-
    Buyer endpoints: advertisers, storefronts and connections, product
    discovery, campaigns, proposals, media buys, creatives and reporting. Every
    write accepts an Idempotency-Key header.
servers:
  - url: https://api.semicola.com
security:
  - bearerAuth: []
  - sessionCookie: []
tags:
  - name: Advertisers
  - name: Storefronts
  - name: Product Discovery
  - name: Campaigns
  - name: Media Buys
  - name: Creatives
  - name: Catalogs
  - name: Reporting
  - name: Event Sources
  - name: Webhooks
  - name: Tasks
  - name: Audit Logs
  - name: Activity
paths:
  /api/v2/activity/calls:
    get:
      tags:
        - Activity
      summary: >-
        API call log: every admitted buyer API request, including failures and
        denials
      operationId: getActivityCalls
      parameters:
        - name: startTime
          in: query
          required: false
          schema:
            type: string
            format: date-time
            pattern: >-
              ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$
        - name: outcome
          in: query
          required: false
          schema:
            type: string
            enum:
              - succeeded
              - accepted
              - denied
              - failed
              - cancelled
              - unknown
        - name: advertiserId
          in: query
          required: false
          schema:
            type: integer
            exclusiveMinimum: 0
            maximum: 9007199254740991
        - name: cursor
          in: query
          required: false
          schema:
            type: string
            maxLength: 200
        - name: limit
          in: query
          required: false
          schema:
            default: 50
            type: integer
            minimum: 1
            maximum: 200
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    anyOf:
                      - type: object
                        properties:
                          items:
                            type: array
                            items:
                              type: object
                              properties:
                                id:
                                  type: string
                                at:
                                  type: string
                                  format: date-time
                                  pattern: >-
                                    ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$
                                operation:
                                  type: string
                                workload:
                                  type: string
                                surface:
                                  type: string
                                  enum:
                                    - rest
                                    - mcp
                                    - a2a
                                outcome:
                                  type: string
                                  enum:
                                    - succeeded
                                    - accepted
                                    - denied
                                    - failed
                                    - cancelled
                                    - unknown
                                latencyMs:
                                  type: integer
                                  minimum: 0
                                  maximum: 9007199254740991
                                requestId:
                                  type:
                                    - string
                                    - 'null'
                                method:
                                  type:
                                    - string
                                    - 'null'
                                httpStatus:
                                  anyOf:
                                    - type: integer
                                      minimum: -9007199254740991
                                      maximum: 9007199254740991
                                    - type: 'null'
                                principalType:
                                  type: string
                                  enum:
                                    - human
                                    - workload
                                    - system
                                workloadName:
                                  type:
                                    - string
                                    - 'null'
                                traceId:
                                  type:
                                    - string
                                    - 'null'
                                error:
                                  anyOf:
                                    - type: object
                                      properties:
                                        code:
                                          type: string
                                        message:
                                          type:
                                            - string
                                            - 'null'
                                        retryDisposition:
                                          type: string
                                      required:
                                        - code
                                        - message
                                        - retryDisposition
                                      additionalProperties: false
                                    - type: 'null'
                                detailAvailability:
                                  type: string
                                  enum:
                                    - available
                                    - expired
                                    - not_captured
                              required:
                                - id
                                - at
                                - operation
                                - workload
                                - surface
                                - outcome
                                - latencyMs
                              additionalProperties: false
                          nextCursor:
                            type:
                              - string
                              - 'null'
                        required:
                          - items
                          - nextCursor
                        additionalProperties: false
                      - type: 'null'
                  error:
                    anyOf:
                      - type: object
                        properties:
                          code:
                            type: string
                          message:
                            type: string
                          field:
                            type: string
                          details: {}
                        required:
                          - code
                          - message
                        additionalProperties: false
                      - type: 'null'
                required:
                  - data
                  - error
                additionalProperties: false
        default:
          description: >-
            Error envelope `{data: null, error: {code, message, field?,
            details?}}`.
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key or OAuth access token.
    sessionCookie:
      type: apiKey
      in: cookie
      name: sc_session

````