Modal Invocations API

Asynchronous function invocations and result retrieval.

Operations 4

POST /functions/{function_id}/invocations Invoke Function #
GET /functions/{function_id}/invocations List Invocations #
POST /functions/{function_id}/spawn Spawn Asynchronous Invocation #
GET /function-calls/{call_id} Get Function Call #

Documentation

Specifications

Schemas & Data

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OpenAPI Specification

modal-com-invocations-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Modal Dicts and Queues Apps Invocations API
  description: 'Modal Dicts and Queues — distributed in-memory primitives for

    cross-container state. Dicts are key-value stores; Queues are FIFO

    message queues used to coordinate work across Modal functions and

    sandboxes.

    '
  version: 0.1.0
  contact:
    name: Modal Labs
    url: https://modal.com
servers:
- url: https://api.modal.com/v1
security:
- ModalToken: []
tags:
- name: Invocations
  description: Asynchronous function invocations and result retrieval.
paths:
  /functions/{function_id}/invocations:
    post:
      tags:
      - Invocations
      summary: Invoke Function
      description: 'Synchronously invoke a Modal Function. The request body is the

        serialized argument payload; the response contains the

        serialized return value or an invocation error.

        '
      operationId: invokeFunction
      parameters:
      - name: function_id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/InvocationRequest'
      responses:
        '200':
          description: Invocation completed.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvocationResult'
    get:
      tags:
      - Invocations
      summary: List Invocations
      description: List recent invocations for the given Function.
      operationId: listInvocations
      parameters:
      - name: function_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A page of invocations.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/InvocationResult'
  /functions/{function_id}/spawn:
    post:
      tags:
      - Invocations
      summary: Spawn Asynchronous Invocation
      description: 'Spawn an asynchronous Function call and return a FunctionCall

        handle. The result is fetched later via the FunctionCall ID.

        '
      operationId: spawnFunction
      parameters:
      - name: function_id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/InvocationRequest'
      responses:
        '202':
          description: Invocation accepted.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FunctionCall'
  /function-calls/{call_id}:
    get:
      tags:
      - Invocations
      summary: Get Function Call
      description: Retrieve the status and result of an async FunctionCall.
      operationId: getFunctionCall
      parameters:
      - name: call_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: The FunctionCall result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FunctionCall'
components:
  schemas:
    FunctionCall:
      type: object
      properties:
        call_id:
          type: string
        function_id:
          type: string
        status:
          type: string
          enum:
          - pending
          - running
          - success
          - failure
          - terminated
        result:
          nullable: true
    InvocationRequest:
      type: object
      properties:
        args:
          type: array
          items: {}
        kwargs:
          type: object
          additionalProperties: true
    InvocationResult:
      type: object
      properties:
        call_id:
          type: string
        status:
          type: string
          enum:
          - pending
          - running
          - success
          - failure
          - terminated
        result:
          nullable: true
        error:
          type: object
          nullable: true
        started_at:
          type: string
          format: date-time
        finished_at:
          type: string
          format: date-time
  securitySchemes:
    ModalToken:
      type: http
      scheme: bearer