Salesforce Flow REST API

openapi: 3.1.0
info:
  title: Salesforce Flow REST API
  description: >-
    REST API for managing and executing Salesforce Flows programmatically.
    Enables creating, updating, querying, and executing flow automation
    processes, flow interviews, and invocable actions within Salesforce.
  version: 59.0.0
  termsOfService: https://www.salesforce.com/company/legal/agreements/
  contact:
    name: Salesforce Developer Support
    url: https://developer.salesforce.com/
  license:
    name: Salesforce Master Subscription Agreement
    url: https://www.salesforce.com/company/legal/agreements/
externalDocs:
  description: Salesforce Flow REST API Developer Guide
  url: https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/resources_flow.htm
servers:
  - url: https://{instance}.salesforce.com/services/data/v59.0
    description: Salesforce Production or Developer Edition
    variables:
      instance:
        default: yourInstance
        description: Your Salesforce instance identifier
security:
  - oauth2: []
  - bearerAuth: []
tags:
  - name: Flow Definitions
    description: Operations for managing Flow metadata and definitions
  - name: Flow Interviews
    description: Operations for executing and managing Flow interviews
  - name: Invocable Actions
    description: Operations for triggering invocable flows as actions
  - name: Flow Categories
    description: Operations for organizing flows by category
paths:
  /sobjects/Flow:
    get:
      operationId: listFlows
      summary: List Flow Definitions
      description: >-
        Retrieves a list of Flow definitions available in the Salesforce org,
        including metadata such as API name, label, type, and status.
      tags:
        - Flow Definitions
      parameters:
        - name: q
          in: query
          description: SOQL query string to filter flows
          required: false
          schema:
            type: string
      responses:
        '200':
          description: Successfully retrieved list of flows
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FlowListResponse'
        '401':
          description: Unauthorized - invalid or expired session
  /sobjects/Flow/{flowId}:
    get:
      operationId: getFlow
      summary: Get Flow Definition
      description: >-
        Retrieves details about a specific Flow definition including its
        metadata, version, and associated interview settings.
      tags:
        - Flow Definitions
      parameters:
        - name: flowId
          in: path
          required: true
          description: The unique Salesforce ID of the Flow record
          schema:
            type: string
      responses:
        '200':
          description: Successfully retrieved flow definition
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FlowDefinition'
        '404':
          description: Flow not found
    patch:
      operationId: updateFlow
      summary: Update Flow Definition
      description: >-
        Updates metadata fields on an existing Flow definition, such as
        its active status or description.
      tags:
        - Flow Definitions
      parameters:
        - name: flowId
          in: path
          required: true
          description: The unique Salesforce ID of the Flow record
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FlowUpdateInput'
      responses:
        '204':
          description: Flow updated successfully
        '400':
          description: Invalid request payload
  /sobjects/FlowInterview:
    post:
      operationId: createFlowInterview
      summary: Create Flow Interview
      description: >-
        Creates and starts a new Flow Interview (a running instance of a Flow).
        Optionally passes input variables to initialize the Flow.
      tags:
        - Flow Interviews
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FlowInterviewInput'
      responses:
        '201':
          description: Flow Interview created and started
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateResponse'
        '400':
          description: Invalid request or Flow not found
  /sobjects/FlowInterview/{interviewId}:
    get:
      operationId: getFlowInterview
      summary: Get Flow Interview
      description: >-
        Retrieves the current state, status, and output variables of a
        running or completed Flow Interview.
      tags:
        - Flow Interviews
      parameters:
        - name: interviewId
          in: path
          required: true
          description: The unique Salesforce ID of the FlowInterview record
          schema:
            type: string
      responses:
        '200':
          description: Successfully retrieved flow interview
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FlowInterview'
        '404':
          description: Interview not found
    delete:
      operationId: deleteFlowInterview
      summary: Delete Flow Interview
      description: >-
        Deletes a Flow Interview record. Typically used for paused interviews
        that are no longer needed.
      tags:
        - Flow Interviews
      parameters:
        - name: interviewId
          in: path
          required: true
          description: The unique Salesforce ID of the FlowInterview record
          schema:
            type: string
      responses:
        '204':
          description: Interview deleted successfully
        '404':
          description: Interview not found
  /actions/custom/flow:
    get:
      operationId: listInvocableFlows
      summary: List Invocable Flows
      description: >-
        Returns a list of all flows that are exposed as invocable actions,
        including their API names and input/output variable definitions.
      tags:
        - Invocable Actions
      responses:
        '200':
          description: Successfully retrieved invocable flows
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvocableActionList'
  /actions/custom/flow/{flowApiName}:
    get:
      operationId: getInvocableFlowMetadata
      summary: Get Invocable Flow Metadata
      description: >-
        Retrieves the input and output variable definitions for a specific
        invocable flow action.
      tags:
        - Invocable Actions
      parameters:
        - name: flowApiName
          in: path
          required: true
          description: The API name of the Flow
          schema:
            type: string
      responses:
        '200':
          description: Successfully retrieved flow action metadata
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvocableFlowMetadata'
    post:
      operationId: invokeFlow
      summary: Invoke Flow Action
      description: >-
        Executes a Flow as an invocable action, passing input variables and
        receiving output variables upon completion.
      tags:
        - Invocable Actions
      parameters:
        - name: flowApiName
          in: path
          required: true
          description: The API name of the Flow to invoke
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/InvokeFlowInput'
      responses:
        '200':
          description: Flow executed successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvokeFlowResponse'
        '400':
          description: Invalid input variables or flow error
  /query:
    get:
      operationId: queryFlows
      summary: Query Flows with SOQL
      description: >-
        Executes a SOQL query to retrieve Flow and FlowInterview records
        with custom filtering, ordering, and field selection.
      tags:
        - Flow Definitions
      parameters:
        - name: q
          in: query
          required: true
          description: SOQL query string (e.g. SELECT Id, ApiName, Status FROM Flow)
          schema:
            type: string
      responses:
        '200':
          description: Query results returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QueryResult'
        '400':
          description: Invalid SOQL query
components:
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://login.salesforce.com/services/oauth2/authorize
          tokenUrl: https://login.salesforce.com/services/oauth2/token
          scopes:
            api: Access and manage your data
            full: Full access
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
  schemas:
    FlowListResponse:
      type: object
      properties:
        totalSize:
          type: integer
          description: Total number of flows returned
        done:
          type: boolean
        records:
          type: array
          items:
            $ref: '#/components/schemas/FlowSummary'
    FlowSummary:
      type: object
      properties:
        Id:
          type: string
          description: Salesforce record ID
        ApiName:
          type: string
          description: API name of the Flow
        Label:
          type: string
          description: Display label of the Flow
        ProcessType:
          type: string
          description: Type of flow (Flow, AutoLaunchedFlow, etc.)
        Status:
          type: string
          enum:
            - Active
            - Obsolete
            - Draft
            - InvalidDraft
          description: Current activation status
        VersionNumber:
          type: integer
          description: Version number of the flow
    FlowDefinition:
      type: object
      properties:
        Id:
          type: string
        ApiName:
          type: string
        Label:
          type: string
        Description:
          type: string
        ProcessType:
          type: string
        Status:
          type: string
        VersionNumber:
          type: integer
        CreatedDate:
          type: string
          format: date-time
        LastModifiedDate:
          type: string
          format: date-time
        CreatedById:
          type: string
        LastModifiedById:
          type: string
    FlowUpdateInput:
      type: object
      properties:
        Description:
          type: string
          description: Updated description for the flow
        Status:
          type: string
          enum:
            - Active
            - Obsolete
          description: New status for the flow
    FlowInterviewInput:
      type: object
      required:
        - FlowDefinitionView
      properties:
        FlowDefinitionView:
          type: object
          properties:
            ApiName:
              type: string
              description: API name of the flow to start
        inputs:
          type: array
          description: Input variable values for the flow
          items:
            $ref: '#/components/schemas/FlowInputVariable'
    FlowInputVariable:
      type: object
      properties:
        name:
          type: string
          description: Variable name
        value:
          description: Variable value (any type)
    FlowInterview:
      type: object
      properties:
        Id:
          type: string
        CurrentElement:
          type: string
          description: Name of the current flow element
        GuidedFlowName:
          type: string
        HasFinished:
          type: boolean
        Name:
          type: string
        outputs:
          type: array
          items:
            $ref: '#/components/schemas/FlowOutputVariable'
    FlowOutputVariable:
      type: object
      properties:
        name:
          type: string
        value:
          description: Output variable value
    InvocableActionList:
      type: object
      properties:
        actions:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              label:
                type: string
              type:
                type: string
    InvocableFlowMetadata:
      type: object
      properties:
        name:
          type: string
        label:
          type: string
        type:
          type: string
        inputs:
          type: array
          items:
            $ref: '#/components/schemas/ActionParameter'
        outputs:
          type: array
          items:
            $ref: '#/components/schemas/ActionParameter'
    ActionParameter:
      type: object
      properties:
        name:
          type: string
        label:
          type: string
        description:
          type: string
        required:
          type: boolean
        type:
          type: string
        maxOccurs:
          type: integer
    InvokeFlowInput:
      type: object
      properties:
        inputs:
          type: array
          items:
            type: object
            additionalProperties: true
          description: Array of input variable objects for the flow
    InvokeFlowResponse:
      type: object
      properties:
        outputs:
          type: array
          items:
            type: object
            additionalProperties: true
          description: Array of output variable objects from the flow
    CreateResponse:
      type: object
      properties:
        id:
          type: string
          description: Salesforce record ID of the created resource
        success:
          type: boolean
        errors:
          type: array
          items:
            type: string
    QueryResult:
      type: object
      properties:
        totalSize:
          type: integer
        done:
          type: boolean
        nextRecordsUrl:
          type: string
        records:
          type: array
          items:
            type: object
            additionalProperties: true