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OpenAPI Specification

openapi: 3.2.0
info:
  title: Keen Event Collection Events API
  description: The Keen Event Collection API enables developers to send individual or batched events to Keen for storage and analysis. Each event is a JSON object that can contain any arbitrary properties, giving developers full flexibility in defining their data model. The API supports single event recording, multi-event uploads across collections, and inspection of existing collections and properties.
  version: '3.0'
  contact:
    name: Keen Support
    url: https://keen.io/support
  license:
    name: Proprietary
    url: https://keen.io/terms-of-service
servers:
- url: https://api.keen.io/3.0
  description: Keen production API
security:
- writeKey: []
- masterKey: []
tags:
- name: Events
  description: Record and inspect events stored in Keen event collections.
paths:
  /projects/{projectId}/events/{eventCollection}:
    parameters:
    - $ref: '#/components/parameters/projectId'
    - $ref: '#/components/parameters/eventCollection'
    post:
      operationId: recordEvent
      summary: Keen Record a single event
      description: Records a single event in the specified event collection for the given Keen project. The request body is an arbitrary JSON object whose properties become event properties. Requires a Write Key with permission to record events into the project.
      tags:
      - Events
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
              description: Arbitrary event payload with custom properties.
      responses:
        '201':
          description: Event recorded successfully.
          content:
            application/json:
              schema:
                type: object
                properties:
                  created:
                    type: boolean
        '401':
          $ref: '#/components/responses/Unauthorized'
  /projects/{projectId}/events:
    parameters:
    - $ref: '#/components/parameters/projectId'
    post:
      operationId: recordEvents
      summary: Keen Record multiple events
      description: Records multiple events across one or more event collections in a single request. The body is a JSON object whose keys are event collection names and whose values are arrays of event objects. Requires a Write Key with permission to record events.
      tags:
      - Events
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties:
                type: array
                items:
                  type: object
                  additionalProperties: true
      responses:
        '200':
          description: Events recorded with per-collection results.
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: array
                  items:
                    type: object
                    properties:
                      success:
                        type: boolean
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  parameters:
    eventCollection:
      name: eventCollection
      in: path
      required: true
      schema:
        type: string
      description: Name of the event collection.
    projectId:
      name: projectId
      in: path
      required: true
      schema:
        type: string
      description: Keen project identifier.
  responses:
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        error_code:
          type: string
        message:
          type: string
  securitySchemes:
    writeKey:
      type: apiKey
      in: header
      name: Authorization
      description: Keen Write Key used to record events.
    masterKey:
      type: apiKey
      in: header
      name: Authorization
      description: Keen Master Key required for inspection endpoints.
externalDocs:
  description: Keen Event Collection API Documentation
  url: https://keen.io/docs/api/#event-collections