openapi: 3.1.0
info:
  title: Honeycomb Auth Calculated Fields API
  description: The Honeycomb API is a REST API that provides programmatic access to the Honeycomb observability platform. It enables developers to manage datasets and columns, configure SLOs and burn alerts, set up triggers and recipients, manage boards and markers, administer environments, API keys, and access auth, query annotations, calculated fields, marker settings, reporting, dataset definitions, and service maps.
  version: '1.0'
  contact:
    name: Honeycomb Support
    url: https://support.honeycomb.io
  termsOfService: https://www.honeycomb.io/terms-of-service
servers:
- url: https://api.honeycomb.io
  description: Honeycomb Production API
security:
- ApiKeyAuth: []
tags:
- name: Calculated Fields
  description: Manage calculated fields (derived columns) that compute values from expressions applied to event fields.
paths:
  /1/calculated_fields/{datasetSlug}:
    get:
      operationId: listCalculatedFields
      summary: List calculated fields
      description: Returns a list of all calculated fields (derived columns) in the specified dataset.
      tags:
      - Calculated Fields
      parameters:
      - $ref: '#/components/parameters/datasetSlug'
      responses:
        '200':
          description: A list of calculated fields
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CalculatedField'
        '401':
          description: Unauthorized
    post:
      operationId: createCalculatedField
      summary: Create a calculated field
      description: Creates a new calculated field (derived column) in the specified dataset or across the environment.
      tags:
      - Calculated Fields
      parameters:
      - $ref: '#/components/parameters/datasetSlug'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CalculatedFieldCreateRequest'
      responses:
        '201':
          description: Calculated field created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CalculatedField'
        '401':
          description: Unauthorized
  /1/calculated_fields/{datasetSlug}/{calculatedFieldId}:
    get:
      operationId: getCalculatedField
      summary: Get a calculated field
      description: Returns a single calculated field by its ID.
      tags:
      - Calculated Fields
      parameters:
      - $ref: '#/components/parameters/datasetSlug'
      - $ref: '#/components/parameters/calculatedFieldId'
      responses:
        '200':
          description: Calculated field details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CalculatedField'
        '401':
          description: Unauthorized
        '404':
          description: Calculated field not found
    put:
      operationId: updateCalculatedField
      summary: Update a calculated field
      description: Updates the expression or properties of a calculated field.
      tags:
      - Calculated Fields
      parameters:
      - $ref: '#/components/parameters/datasetSlug'
      - $ref: '#/components/parameters/calculatedFieldId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CalculatedFieldUpdateRequest'
      responses:
        '200':
          description: Calculated field updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CalculatedField'
        '401':
          description: Unauthorized
        '404':
          description: Calculated field not found
    delete:
      operationId: deleteCalculatedField
      summary: Delete a calculated field
      description: Deletes a calculated field from the specified dataset.
      tags:
      - Calculated Fields
      parameters:
      - $ref: '#/components/parameters/datasetSlug'
      - $ref: '#/components/parameters/calculatedFieldId'
      responses:
        '204':
          description: Calculated field deleted
        '401':
          description: Unauthorized
        '404':
          description: Calculated field not found
components:
  parameters:
    datasetSlug:
      name: datasetSlug
      in: path
      required: true
      description: The slug identifier for the dataset. Dataset names are case insensitive.
      schema:
        type: string
    calculatedFieldId:
      name: calculatedFieldId
      in: path
      required: true
      description: The unique identifier for the calculated field.
      schema:
        type: string
  schemas:
    CalculatedFieldCreateRequest:
      type: object
      required:
      - alias
      - expression
      properties:
        alias:
          type: string
          description: The alias name for the calculated field.
        expression:
          type: string
          description: The expression to compute the field value.
        description:
          type: string
          description: An optional description for the calculated field.
    CalculatedField:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier for the calculated field.
        alias:
          type: string
          description: The alias name used to reference this calculated field in queries.
        expression:
          type: string
          description: The expression used to compute the calculated field value.
        description:
          type: string
          description: A description of the calculated field.
        created_at:
          type: string
          format: date-time
          description: ISO8601 formatted time the calculated field was created.
        updated_at:
          type: string
          format: date-time
          description: ISO8601 formatted time the calculated field was last updated.
    CalculatedFieldUpdateRequest:
      type: object
      properties:
        expression:
          type: string
          description: An updated expression for the calculated field.
        description:
          type: string
          description: An updated description for the calculated field.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Honeycomb-Team
      description: Honeycomb Configuration API key. Must have appropriate permissions for the endpoint being called.
externalDocs:
  description: Honeycomb API Documentation
  url: https://api-docs.honeycomb.io/api