Chroma

Chroma Function API

The Function API from Chroma — 4 operation(s) for function.

Documentation GitHub OpenAPI

Operations 4

POST /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/attached_functions/{name}/add_input Add attached function input #

POST /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/attached_functions/{name}/detach Detach function #

POST /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/functions/attach Attach function #

GET /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/functions/{function_name} Get attached function #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: chroma-frontend Function API
  description: ''
  license:
    name: ''
  version: 1.0.0
tags:
- name: Function
paths:
  /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/attached_functions/{name}/add_input:
    post:
      tags:
      - Function
      summary: Add attached function input
      description: Adds a new input collection to an existing async attached function.
      operationId: add_attached_function_input
      parameters:
      - name: tenant
        in: path
        description: Tenant UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: database
        in: path
        description: Database name
        required: true
        schema:
          type: string
      - name: collection_id
        in: path
        description: Collection UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: name
        in: path
        description: Function name
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AddAttachedFunctionInputRequest'
        required: true
      responses:
        '200':
          description: Attached function input added successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AddAttachedFunctionInputResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
      - ApiKeyAuth: []
  /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/attached_functions/{name}/detach:
    post:
      tags:
      - Function
      summary: Detach function
      description: Detaches a function from a collection.
      operationId: detach_function
      parameters:
      - name: tenant
        in: path
        description: Tenant UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: database
        in: path
        description: Database name
        required: true
        schema:
          type: string
      - name: collection_id
        in: path
        description: Collection UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: name
        in: path
        description: Function name
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DetachFunctionRequest'
        required: true
      responses:
        '200':
          description: Function detached successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DetachFunctionResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
      - ApiKeyAuth: []
  /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/functions/attach:
    post:
      tags:
      - Function
      summary: Attach function
      description: Attaches a function to a collection.
      operationId: attach_function
      parameters:
      - name: tenant
        in: path
        description: Tenant UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: database
        in: path
        description: Database name
        required: true
        schema:
          type: string
      - name: collection_id
        in: path
        description: Collection UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      requestBody:
        description: Function attachment request
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AttachFunctionRequest'
            example:
              function_id: 1e30d217-3d78-4f8c-b244-79381dc6a254
              name: my_function
              output_collection: output_collection_name
              params: {}
        required: true
      responses:
        '200':
          description: ' Function attached successfully'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AttachFunctionResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
      - ApiKeyAuth: []
  /api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/functions/{function_name}:
    get:
      tags:
      - Function
      summary: Get attached function
      description: Returns an attached function by name.
      operationId: get_attached_function
      parameters:
      - name: tenant
        in: path
        description: Tenant UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: database
        in: path
        description: Database name
        required: true
        schema:
          type: string
      - name: collection_id
        in: path
        description: Collection UUID
        required: true
        schema:
          type: string
        example: 1e30d217-3d78-4f8c-b244-79381dc6a254
      - name: function_name
        in: path
        description: Function name
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Attached function retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetAttachedFunctionResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Attached function not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
      - ApiKeyAuth: []
components:
  schemas:
    AddAttachedFunctionInputRequest:
      type: object
      required:
      - input_collection_id
      properties:
        input_collection_id:
          $ref: '#/components/schemas/CollectionUuid'
    AttachedFunctionUuid:
      type: string
      format: uuid
      description: AttachedFunctionUuid is a wrapper around Uuid to provide a type for attached function identifiers.
    CollectionUuid:
      type: string
      format: uuid
    ErrorResponse:
      type: object
      required:
      - error
      - message
      properties:
        error:
          type: string
        message:
          type: string
    DetachFunctionRequest:
      type: object
      properties:
        delete_output:
          type: boolean
          description: Whether to delete the output collection as well when detaching the function.
    AttachFunctionResponse:
      type: object
      required:
      - attached_function
      - created
      properties:
        attached_function:
          $ref: '#/components/schemas/AttachedFunctionInfo'
        created:
          type: boolean
          description: True if newly created, false if already existed (idempotent request).
    AddAttachedFunctionInputResponse:
      type: object
      required:
      - attached_function
      - created
      properties:
        attached_function:
          $ref: '#/components/schemas/AttachedFunctionApiResponse'
        created:
          type: boolean
    AttachFunctionRequest:
      type: object
      required:
      - name
      - function_id
      - output_collection
      properties:
        function_id:
          type: string
        name:
          type: string
        output_collection:
          type: string
        params: {}
    DetachFunctionResponse:
      type: object
      required:
      - success
      properties:
        success:
          type: boolean
    AttachedFunctionApiResponse:
      type: object
      description: API response struct for attached function with function_name instead of function_id
      required:
      - id
      - name
      - function_name
      - input_collection_id
      - output_collection
      - tenant_id
      - database_id
      - completion_offset
      - min_records_for_invocation
      properties:
        completion_offset:
          type: integer
          format: int64
          description: 'Completion offset: the WAL position up to which the attached function has processed records'
          minimum: 0
        database_id:
          type: string
          description: Database name this attached function belongs to
        function_name:
          type: string
          description: Name of the function (e.g., "record_counter", "statistics")
        id:
          $ref: '#/components/schemas/AttachedFunctionUuid'
          description: Unique identifier for the attached function
        input_collection_id:
          $ref: '#/components/schemas/CollectionUuid'
          description: Source collection that triggers the attached function
        min_records_for_invocation:
          type: integer
          format: int64
          description: Minimum number of new records required before the attached function runs again
          minimum: 0
        name:
          type: string
          description: Human-readable name for the attached function instance
        output_collection:
          type: string
          description: Name of target collection where attached function output is stored
        output_collection_id:
          oneOf:
          - type: 'null'
          - $ref: '#/components/schemas/CollectionUuid'
            description: ID of the output collection (lazily filled in after creation)
        params:
          type:
          - string
          - 'null'
          description: Optional JSON parameters for the function
        tenant_id:
          type: string
          description: Tenant name this attached function belongs to
    GetAttachedFunctionResponse:
      type: object
      required:
      - attached_function
      properties:
        attached_function:
          $ref: '#/components/schemas/AttachedFunctionApiResponse'
    AttachedFunctionInfo:
      type: object
      required:
      - id
      - name
      - function_name
      properties:
        function_name:
          type: string
          description: Name of the function (e.g., "record_counter", "statistics").
        id:
          type: string
          description: Unique identifier for the attached function.
        name:
          type: string
          description: Human-readable name for the attached function instance.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-chroma-token
x-provenance:
  method: harvested
  publisher: Chroma
  source: https://api.trychroma.com/openapi.json
  note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
    stamped by stamp-openapi-provenance.py (roadmap#793)