Vellum AI

Vellum AI Execute Workflow Async API

The Execute Workflow Async API from Vellum AI — 1 operation(s) for execute workflow async.

GitHub OpenAPI

Operations 1

POST /v1/execute-workflow-async Execute Workflow Async #

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/vellum/refs/heads/main/openapi/vellum-execute-workflow-async-api-openapi.yml

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OpenAPI Specification

vellum-execute-workflow-async-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Client SDK Execute Workflow Async API
  version: 1.0.0
servers:
- url: https://predict.vellum.ai
- url: https://api.vellum.ai
- url: https://documents.vellum.ai
tags:
- name: Execute Workflow Async
paths:
  /v1/execute-workflow-async:
    post:
      operationId: execute-workflow-async
      summary: Execute Workflow Async
      description: Executes a deployed Workflow asynchronously and returns the execution ID.
      tags:
      - Execute Workflow Async
      parameters:
      - name: X-API-KEY
        in: header
        required: true
        schema:
          type: string
      - name: X-API-Version
        in: header
        required: false
        schema:
          type: string
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExecuteWorkflowAsyncResponse'
        '400':
          description: ''
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  description: Any type
        '404':
          description: ''
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  description: Any type
        '500':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExecuteWorkflowStreamErrorResponse'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ExecuteWorkflowAsyncRequest'
components:
  schemas:
    DocumentChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/DocumentEnum'
        value:
          $ref: '#/components/schemas/VellumDocumentRequest'
      required:
      - type
      - value
      description: A document value that is used in a chat message.
      title: DocumentChatMessageContentRequest
    ExecuteWorkflowAsyncRequest:
      type: object
      properties:
        inputs:
          type: array
          items:
            $ref: '#/components/schemas/WorkflowRequestInputRequest'
          description: The list of inputs defined in the Workflow's Deployment with their corresponding values.
        workflow_deployment_id:
          type:
          - string
          - 'null'
          format: uuid
          description: The ID of the Workflow Deployment. Must provide either this or workflow_deployment_name.
        workflow_deployment_name:
          type:
          - string
          - 'null'
          description: The name of the Workflow Deployment. Must provide either this or workflow_deployment_id.
        release_tag:
          type:
          - string
          - 'null'
          description: Optionally specify a release tag if you want to pin to a specific release of the Workflow Deployment
        external_id:
          type:
          - string
          - 'null'
          description: Optionally include a unique identifier for tracking purposes. Must be unique within a given Workspace.
        previous_execution_id:
          type:
          - string
          - 'null'
          format: uuid
          description: The ID of a previous Workflow Execution to reference for initial State loading.
        metadata:
          type:
          - object
          - 'null'
          additionalProperties:
            description: Any type
          description: Arbitrary JSON metadata associated with this request. Can be used to capture additional monitoring data such as user id, session id, etc. for future analysis.
      required:
      - inputs
      description: The request to execute a Workflow Deployment asynchronously.
      title: ExecuteWorkflowAsyncRequest
    ArrayChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/ArrayEnum'
        value:
          type: array
          items:
            $ref: '#/components/schemas/ArrayChatMessageContentItemRequest'
      required:
      - type
      - value
      description: A list of chat message content items.
      title: ArrayChatMessageContentRequest
    StringChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/StringEnum'
        value:
          type: string
      required:
      - type
      - value
      description: A string value that is used in a chat message.
      title: StringChatMessageContentRequest
    VellumAudioRequest:
      type: object
      properties:
        src:
          type: string
          description: "The reference to the source data. This can be one of the following formats:\n1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...').\n2. A url pointing to a file accessible over HTTP or HTTPS.\n3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:{uploaded_file_id}'.\n    You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve for details."
        metadata:
          type:
          - object
          - 'null'
          additionalProperties:
            description: Any type
      required:
      - src
      title: VellumAudioRequest
    WorkflowRequestImageInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/ImageEnum'
        value:
          $ref: '#/components/schemas/VellumImageRequest'
      required:
      - name
      - type
      - value
      description: The input for an image variable in a Workflow.
      title: WorkflowRequestImageInputRequest
    ChatMessageRole:
      type: string
      enum:
      - SYSTEM
      - ASSISTANT
      - USER
      - FUNCTION
      description: '* `SYSTEM` - System

        * `ASSISTANT` - Assistant

        * `USER` - User

        * `FUNCTION` - Function'
      title: ChatMessageRole
    AudioChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/AudioEnum'
        value:
          $ref: '#/components/schemas/VellumAudioRequest'
      required:
      - type
      - value
      description: An audio value that is used in a chat message.
      title: AudioChatMessageContentRequest
    ChatHistoryEnum:
      type: string
      enum:
      - CHAT_HISTORY
      title: ChatHistoryEnum
    WorkflowRequestInputRequest:
      oneOf:
      - $ref: '#/components/schemas/WorkflowRequestStringInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestJSONInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestChatHistoryInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestNumberInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestAudioInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestVideoInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestImageInputRequest'
      - $ref: '#/components/schemas/WorkflowRequestDocumentInputRequest'
      title: WorkflowRequestInputRequest
    WorkflowRequestAudioInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/AudioEnum'
        value:
          $ref: '#/components/schemas/VellumAudioRequest'
      required:
      - name
      - type
      - value
      description: The input for an audio variable in a Workflow.
      title: WorkflowRequestAudioInputRequest
    ExecuteWorkflowStreamErrorResponse:
      type: object
      properties:
        detail:
          type: string
          description: Details about why the request failed.
      required:
      - detail
      title: ExecuteWorkflowStreamErrorResponse
    ArrayEnum:
      type: string
      enum:
      - ARRAY
      title: ArrayEnum
    ArrayChatMessageContentItemRequest:
      oneOf:
      - $ref: '#/components/schemas/StringChatMessageContentRequest'
      - $ref: '#/components/schemas/FunctionCallChatMessageContentRequest'
      - $ref: '#/components/schemas/AudioChatMessageContentRequest'
      - $ref: '#/components/schemas/VideoChatMessageContentRequest'
      - $ref: '#/components/schemas/ImageChatMessageContentRequest'
      - $ref: '#/components/schemas/DocumentChatMessageContentRequest'
      title: ArrayChatMessageContentItemRequest
    ExecuteWorkflowAsyncResponse:
      type: object
      properties:
        execution_id:
          type: string
          description: The ID of the workflow execution.
      required:
      - execution_id
      description: The response from an async Workflow Deployment execution.
      title: ExecuteWorkflowAsyncResponse
    FunctionCallEnum:
      type: string
      enum:
      - FUNCTION_CALL
      title: FunctionCallEnum
    VellumVideoRequest:
      type: object
      properties:
        src:
          type: string
          description: "The reference to the source data. This can be one of the following formats:\n1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...').\n2. A url pointing to a file accessible over HTTP or HTTPS.\n3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:{uploaded_file_id}'.\n    You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve for details."
        metadata:
          type:
          - object
          - 'null'
          additionalProperties:
            description: Any type
      required:
      - src
      title: VellumVideoRequest
    WorkflowRequestJSONInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/JsonEnum'
        value:
          oneOf:
          - description: Any type
          - type: 'null'
      required:
      - name
      - type
      - value
      description: The input for a JSON variable in a Workflow.
      title: WorkflowRequestJSONInputRequest
    VideoEnum:
      type: string
      enum:
      - VIDEO
      title: VideoEnum
    NumberEnum:
      type: string
      enum:
      - NUMBER
      title: NumberEnum
    WorkflowRequestVideoInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/VideoEnum'
        value:
          $ref: '#/components/schemas/VellumVideoRequest'
      required:
      - name
      - type
      - value
      description: The input for a video variable in a Workflow.
      title: WorkflowRequestVideoInputRequest
    VellumDocumentRequest:
      type: object
      properties:
        src:
          type: string
          description: "The reference to the source data. This can be one of the following formats:\n1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...').\n2. A url pointing to a file accessible over HTTP or HTTPS.\n3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:{uploaded_file_id}'.\n    You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve for details."
        metadata:
          type:
          - object
          - 'null'
          additionalProperties:
            description: Any type
      required:
      - src
      title: VellumDocumentRequest
    FunctionCallChatMessageContentValueRequest:
      type: object
      properties:
        name:
          type: string
        arguments:
          type: object
          additionalProperties:
            description: Any type
        id:
          type:
          - string
          - 'null'
      required:
      - name
      - arguments
      description: The final resolved function call value.
      title: FunctionCallChatMessageContentValueRequest
    ImageEnum:
      type: string
      enum:
      - IMAGE
      title: ImageEnum
    VellumImageRequest:
      type: object
      properties:
        src:
          type: string
          description: "The reference to the source data. This can be one of the following formats:\n1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...').\n2. A url pointing to a file accessible over HTTP or HTTPS.\n3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:{uploaded_file_id}'.\n    You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve for details."
        metadata:
          type:
          - object
          - 'null'
          additionalProperties:
            description: Any type
      required:
      - src
      title: VellumImageRequest
    WorkflowRequestStringInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/StringEnum'
        value:
          type: string
      required:
      - name
      - type
      - value
      description: The input for a string variable in a Workflow.
      title: WorkflowRequestStringInputRequest
    JsonEnum:
      type: string
      enum:
      - JSON
      title: JsonEnum
    ChatMessageContentRequest:
      oneOf:
      - $ref: '#/components/schemas/StringChatMessageContentRequest'
      - $ref: '#/components/schemas/FunctionCallChatMessageContentRequest'
      - $ref: '#/components/schemas/ArrayChatMessageContentRequest'
      - $ref: '#/components/schemas/AudioChatMessageContentRequest'
      - $ref: '#/components/schemas/VideoChatMessageContentRequest'
      - $ref: '#/components/schemas/ImageChatMessageContentRequest'
      - $ref: '#/components/schemas/DocumentChatMessageContentRequest'
      title: ChatMessageContentRequest
    ChatMessageRequest:
      type: object
      properties:
        text:
          type:
          - string
          - 'null'
        role:
          $ref: '#/components/schemas/ChatMessageRole'
        content:
          oneOf:
          - $ref: '#/components/schemas/ChatMessageContentRequest'
          - type: 'null'
        source:
          type:
          - string
          - 'null'
          description: An optional identifier representing who or what generated this message.
        metadata:
          type:
          - object
          - 'null'
          additionalProperties:
            description: Any type
      required:
      - role
      title: ChatMessageRequest
    AudioEnum:
      type: string
      enum:
      - AUDIO
      title: AudioEnum
    ImageChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/ImageEnum'
        value:
          $ref: '#/components/schemas/VellumImageRequest'
      required:
      - type
      - value
      description: An image value that is used in a chat message.
      title: ImageChatMessageContentRequest
    StringEnum:
      type: string
      enum:
      - STRING
      title: StringEnum
    WorkflowRequestNumberInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/NumberEnum'
        value:
          type: number
          format: double
      required:
      - name
      - type
      - value
      description: The input for a number variable in a Workflow.
      title: WorkflowRequestNumberInputRequest
    DocumentEnum:
      type: string
      enum:
      - DOCUMENT
      title: DocumentEnum
    WorkflowRequestChatHistoryInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/ChatHistoryEnum'
        value:
          type: array
          items:
            $ref: '#/components/schemas/ChatMessageRequest'
      required:
      - name
      - type
      - value
      description: The input for a chat history variable in a Workflow.
      title: WorkflowRequestChatHistoryInputRequest
    FunctionCallChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/FunctionCallEnum'
        value:
          $ref: '#/components/schemas/FunctionCallChatMessageContentValueRequest'
      required:
      - type
      - value
      description: A function call value that is used in a chat message.
      title: FunctionCallChatMessageContentRequest
    WorkflowRequestDocumentInputRequest:
      type: object
      properties:
        name:
          type: string
          description: The variable's name, as defined in the Workflow.
        type:
          $ref: '#/components/schemas/DocumentEnum'
        value:
          $ref: '#/components/schemas/VellumDocumentRequest'
      required:
      - name
      - type
      - value
      description: The input for a document variable in a Workflow.
      title: WorkflowRequestDocumentInputRequest
    VideoChatMessageContentRequest:
      type: object
      properties:
        type:
          $ref: '#/components/schemas/VideoEnum'
        value:
          $ref: '#/components/schemas/VellumVideoRequest'
      required:
      - type
      - value
      description: A video value that is used in a chat message.
      title: VideoChatMessageContentRequest
  securitySchemes:
    default:
      type: apiKey
      in: header
      name: X-API-KEY