openapi: 3.1.0
info:
  title: Platform subpackage_chat API
  version: 1.0.0
servers:
- url: https://api.synthflow.ai/v2
- url: https://api.us.synthflow.ai/v2
- url: https://api.eu.synthflow.ai/v2
tags:
- name: subpackage_chat
paths:
  /chat/{chat_id}:
    post:
      operationId: create-chat
      summary: Create a chat
      description: Create a new chat session with an agent.
      tags:
      - subpackage_chat
      parameters:
      - name: chat_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Chat_create-chat_Response_200'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Create-chatRequestBadRequestError'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                model_id:
                  type: string
                  description: The ID of the agent to chat with.
                metadata:
                  type: object
                  additionalProperties:
                    description: Any type
                  description: Optional metadata to attach to the chat.
              required:
              - model_id
    get:
      operationId: get-chat
      summary: Get a chat
      description: Retrieve details of a specific chat session.
      tags:
      - subpackage_chat
      parameters:
      - name: chat_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      - name: Authorization
        in: header
        description: Bearer authentication
        required: true
        schema:
          type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Chat_get-chat_Response_200'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Get-chatRequestBadRequestError'
    delete:
      operationId: delete-chat
      summary: Delete a chat
      description: Delete a chat session.
      tags:
      - subpackage_chat
      parameters:
      - name: chat_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      - name: Authorization
        in: header
        description: Bearer authentication
        required: true
        schema:
          type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Chat_delete-chat_Response_200'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Delete-chatRequestBadRequestError'
  /chat:
    get:
      operationId: list-chats
      summary: List chats
      description: Retrieve a list of chats, optionally filtered by agent ID.
      tags:
      - subpackage_chat
      parameters:
      - name: agent_id
        in: query
        description: Filter chats by agent ID.
        required: false
        schema:
          type: string
      - name: limit
        in: query
        description: Limit the number of chats to return.
        required: false
        schema:
          type: integer
          default: 10
      - name: cursor
        in: query
        description: Cursor to start from.
        required: false
        schema:
          type: string
      - name: Authorization
        in: header
        description: Bearer authentication
        required: true
        schema:
          type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Chat_list-chats_Response_200'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/List-chatsRequestBadRequestError'
  /chat/{chat_id}/messages:
    post:
      operationId: send-chat-message
      summary: Send a message in a chat
      description: Send a message to an agent within an existing chat session.
      tags:
      - subpackage_chat
      parameters:
      - name: chat_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Chat_send-chat-message_Response_200'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Send-chat-messageRequestBadRequestError'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                message:
                  type: string
                  description: The message to send to the agent.
              required:
              - message
  /chat/outbound:
    post:
      operationId: create-outbound-chat
      summary: Start an outbound chat conversation
      description: Create a new outbound WhatsApp or SMS conversation for a chat agent.
      tags:
      - subpackage_chat
      parameters:
      - name: Authorization
        in: header
        description: Bearer authentication
        required: true
        schema:
          type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OutboundChatResponse'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Create-outbound-chatRequestBadRequestError'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OutboundChatRequest'
components:
  schemas:
    Get-chatRequestBadRequestError:
      type: object
      properties: {}
      title: Get-chatRequestBadRequestError
    ChatMessage:
      type: object
      properties:
        agent_id:
          type: string
          description: ID of the agent (or 'user' for user messages).
        current_state:
          type: string
          description: The current state of the agent when this message was sent.
        message:
          type: string
          description: The message content.
        timestamp:
          type: string
          format: date-time
          description: ISO 8601 timestamp of when the message was sent.
        turn_number:
          type: integer
          description: The turn number in the conversation.
      required:
      - agent_id
      - current_state
      - message
      - timestamp
      - turn_number
      description: A single message in a chat conversation.
      title: ChatMessage
    FSMAgentLog:
      type: object
      properties:
        current_state:
          type: string
          description: The current state of the FSM.
        current_turn:
          type: string
          description: Identifier for the current turn in the conversation.
        event_summary:
          type: object
          additionalProperties:
            type: integer
          description: Summary of event counts by type.
        events:
          type: array
          items:
            $ref: '#/components/schemas/FSMEvent'
          description: List of FSM events that occurred during execution.
        execution_stats:
          $ref: '#/components/schemas/FsmAgentLogExecutionStats'
          description: Statistics about FSM execution.
        fsm_metadata:
          $ref: '#/components/schemas/FsmAgentLogFsmMetadata'
          description: Metadata about the FSM.
        state_path:
          type: array
          items:
            type: string
          description: Path of states visited during FSM execution.
        variables:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/FsmAgentLogVariables'
          description: Collected variables (slots) from the conversation flow. Contains variable names as keys with their values and collection status.
      required:
      - current_state
      - current_turn
      - event_summary
      - events
      - execution_stats
      - fsm_metadata
      - variables
      description: FSM execution log for a specific agent in the chat session.
      title: FSMAgentLog
    FsmAgentLogVariablesValue:
      oneOf:
      - type: string
      - type: number
        format: double
      - type: boolean
      - type: object
        additionalProperties:
          description: Any type
      description: The collected value of the variable.
      title: FsmAgentLogVariablesValue
    ChatGetResponsesContentApplicationJsonSchemaResponseChatsItemsChatStatus:
      type: string
      enum:
      - ongoing
      - completed
      - cancelled
      title: ChatGetResponsesContentApplicationJsonSchemaResponseChatsItemsChatStatus
    Chat_delete-chat_Response_200:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/status'
      title: Chat_delete-chat_Response_200
    Delete-chatRequestBadRequestError:
      type: object
      properties: {}
      title: Delete-chatRequestBadRequestError
    Send-chat-messageRequestBadRequestError:
      type: object
      properties: {}
      title: Send-chat-messageRequestBadRequestError
    FSMEvent:
      type: object
      properties:
        event_type:
          $ref: '#/components/schemas/FsmEventEventType'
          description: Type of the event.
        state_id:
          type: string
          description: ID of the state where the event occurred.
        timestamp:
          type: integer
          description: Unix timestamp in milliseconds when the event occurred.
        details:
          type: object
          additionalProperties:
            description: Any type
          description: Additional details specific to the event type.
      required:
      - event_type
      - state_id
      - timestamp
      - details
      description: A single FSM event.
      title: FSMEvent
    ChatMessageResponse:
      type: object
      properties:
        agent_message:
          type: string
          description: The response message from the agent.
        current_state:
          type: string
          description: The current state of the agent.
        timestamp:
          type: string
          format: date-time
          description: ISO 8601 timestamp of when the message was sent.
        turn_number:
          type: integer
          description: The turn number in the conversation.
      required:
      - agent_message
      - current_state
      - timestamp
      - turn_number
      description: Response from sending a message in a chat.
      title: ChatMessageResponse
    ChatGetResponsesContentApplicationJsonSchemaResponse:
      type: object
      properties:
        chats:
          type: array
          items:
            $ref: '#/components/schemas/ChatGetResponsesContentApplicationJsonSchemaResponseChatsItems'
        has_more:
          type: boolean
          description: Indicates whether there are more chats available.
        next_cursor:
          type: string
          description: Cursor to use for pagination to retrieve the next page of results.
      required:
      - chats
      - has_more
      - next_cursor
      title: ChatGetResponsesContentApplicationJsonSchemaResponse
    OutboundChatTemplate:
      type: object
      properties:
        content_sid:
          type: string
          description: The SID of an approved Twilio Content Template.
        variables:
          type: object
          additionalProperties:
            description: Any type
          description: Template variable substitutions keyed by placeholder number.
      required:
      - content_sid
      description: Twilio Content Template to use for outbound WhatsApp delivery.
      title: OutboundChatTemplate
    Create-outbound-chatRequestBadRequestError:
      type: object
      properties: {}
      title: Create-outbound-chatRequestBadRequestError
    Chat_get-chat_Response_200:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/status'
        response:
          $ref: '#/components/schemas/ChatResponse'
      title: Chat_get-chat_Response_200
    FsmAgentLogExecutionStats:
      type: object
      properties:
        commands_executed:
          type: integer
          description: Number of commands executed.
        state_transitions:
          type: integer
          description: Number of state transitions.
        total_events:
          type: integer
          description: Total number of events executed.
      description: Statistics about FSM execution.
      title: FsmAgentLogExecutionStats
    List-chatsRequestBadRequestError:
      type: object
      properties: {}
      title: List-chatsRequestBadRequestError
    ChatResponseInitialMessage:
      type: object
      properties:
        agent_message:
          type: string
          description: The message content from the agent.
        current_state:
          type: string
          description: The current state of the agent.
        timestamp:
          type: string
          format: date-time
          description: ISO 8601 timestamp of when the message was sent.
        turn_number:
          type: integer
          description: The turn number in the conversation.
      description: The initial message sent by the agent when the chat was created.
      title: ChatResponseInitialMessage
    ChatResponseChatStatus:
      type: string
      enum:
      - ongoing
      - completed
      - cancelled
      description: Current status of the chat session.
      title: ChatResponseChatStatus
    FsmAgentLogFsmMetadata:
      type: object
      properties:
        name:
          type: string
          description: Name of the FSM.
      description: Metadata about the FSM.
      title: FsmAgentLogFsmMetadata
    OutboundChatResponse:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/status'
        response:
          $ref: '#/components/schemas/OutboundChatResponseResponse'
      required:
      - status
      - response
      description: Response returned after an outbound chat conversation is created.
      title: OutboundChatResponse
    ChatGetResponsesContentApplicationJsonSchemaResponseChatsItems:
      type: object
      properties:
        chat_id:
          type: string
          format: uuid
        chat_status:
          $ref: '#/components/schemas/ChatGetResponsesContentApplicationJsonSchemaResponseChatsItemsChatStatus'
        start_timestamp:
          type: string
          format: date-time
      required:
      - chat_id
      - chat_status
      - start_timestamp
      title: ChatGetResponsesContentApplicationJsonSchemaResponseChatsItems
    Chat_send-chat-message_Response_200:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/status'
        response:
          $ref: '#/components/schemas/ChatMessageResponse'
      title: Chat_send-chat-message_Response_200
    OutboundChatRequestChannel:
      type: string
      enum:
      - sms
      - whatsapp
      description: Outbound messaging channel.
      title: OutboundChatRequestChannel
    Chat_list-chats_Response_200:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/status'
        response:
          $ref: '#/components/schemas/ChatGetResponsesContentApplicationJsonSchemaResponse'
      title: Chat_list-chats_Response_200
    FsmEventEventType:
      type: string
      enum:
      - fsm_started
      - state_executed
      - utterance_sent
      - state_transition
      - turn_changed
      - user_input
      - command_executed
      - command_received
      - command_failed
      - action_executed
      - action_failed
      - transition
      - error
      description: Type of the event.
      title: FsmEventEventType
    status:
      type: string
      description: Whether the request was successful.
      title: status
    OutboundChatRequest:
      type: object
      properties:
        agent_id:
          type: string
          format: uuid
          description: The ID of the chat agent that will handle the conversation.
        channel:
          $ref: '#/components/schemas/OutboundChatRequestChannel'
          description: Outbound messaging channel.
        to_number:
          type: string
          description: Recipient phone number in E.164 format.
        from_number:
          type: string
          description: Twilio sender phone number in E.164 format.
        initial_message:
          type: string
          description: Freeform opening message. For WhatsApp, this is only valid within the 24-hour customer service window.
        template:
          $ref: '#/components/schemas/OutboundChatTemplate'
          description: Approved Twilio Content Template for WhatsApp outbound messages. Required outside the 24-hour customer service window, optional within it.
        custom_variables:
          type: object
          additionalProperties:
            description: Any type
          description: Custom prompt variables to inject into the agent configuration for this conversation.
      required:
      - agent_id
      - channel
      - to_number
      - from_number
      description: Request to start an outbound SMS or WhatsApp chat conversation.
      title: OutboundChatRequest
    Create-chatRequestBadRequestError:
      type: object
      properties: {}
      title: Create-chatRequestBadRequestError
    OutboundChatResponseResponse:
      type: object
      properties:
        conversation_id:
          type: string
          format: uuid
          description: Unique identifier for the created conversation.
      required:
      - conversation_id
      title: OutboundChatResponseResponse
    FsmAgentLogVariables:
      type: object
      properties:
        value:
          $ref: '#/components/schemas/FsmAgentLogVariablesValue'
          description: The collected value of the variable.
        collected:
          type: boolean
          description: Whether this variable was successfully collected during the conversation.
      title: FsmAgentLogVariables
    ChatResponse:
      type: object
      properties:
        chat_id:
          type: string
          format: uuid
          description: Unique identifier for the chat session.
        chat_status:
          $ref: '#/components/schemas/ChatResponseChatStatus'
          description: Current status of the chat session.
        conversation_history:
          type: array
          items:
            $ref: '#/components/schemas/ChatMessage'
          description: List of messages in the conversation.
        initial_message:
          oneOf:
          - $ref: '#/components/schemas/ChatResponseInitialMessage'
          - type: 'null'
          description: The initial message sent by the agent when the chat was created.
        start_timestamp:
          type: string
          format: date-time
          description: ISO 8601 timestamp of when the chat session started.
        transcript:
          type: string
          description: Full transcript of the conversation.
        fsm_log:
          type:
          - object
          - 'null'
          additionalProperties:
            $ref: '#/components/schemas/FSMAgentLog'
          description: Finite State Machine (FSM) execution log for the chat session.
      required:
      - chat_id
      - chat_status
      - conversation_history
      - start_timestamp
      - transcript
      description: Chat session details.
      title: ChatResponse
    Chat_create-chat_Response_200:
      type: object
      properties:
        status:
          $ref: '#/components/schemas/status'
        response:
          $ref: '#/components/schemas/ChatResponse'
      title: Chat_create-chat_Response_200
  securitySchemes:
    sec0:
      type: http
      scheme: bearer