> ## Documentation Index > Fetch the complete documentation index at: https://bavlio.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Send Chat Message > Send a message in the chat session. Processes user input and returns the next question or completes the profile creation process. Args: request: Chat request with session ID and user message Returns: Chat response with bot's reply ## OpenAPI ````yaml https://api.bavlio.com/openapi.json post /api/v1/sender-profile-chat/message openapi: 3.1.0 info: title: Bavlio API description: >- Outreach automation API — lead enrichment, email campaigns, LinkedIn automation, and AI agent. Full docs at https://docs.bavlio.com. version: 1.0.0 servers: [] security: [] tags: - name: API Keys description: >- Create, list, and revoke API keys for programmatic access. JWT authentication required. - name: credits description: Credit balance, cost estimates, and transaction history. - name: campaigns description: Create, manage, launch, and monitor email campaigns. - name: campaign-personalization description: AI-powered email subject and body personalization for campaigns. - name: email-finder description: Find and verify email addresses for prospects. - name: email-verification description: Validate email addresses and prune invalid entries from datasets. - name: sender-profiles description: Manage sender identity profiles for outreach. - name: sender-profile-chat description: Interactive chat for building sender profiles. - name: templates description: Email template CRUD. - name: suppression description: Do-not-contact suppression list management. - name: datasets description: Lead dataset listing, download, and updates. - name: user-extractions description: Uploaded lead file management and processing. - name: enrichment-chat description: Interactive chat for data enrichment sessions. - name: enrichment-processing description: Batch lead enrichment processing. - name: File Upload (CSV/Excel) description: Upload and preview CSV/Excel lead files. - name: connected-accounts description: LinkedIn account connections via Unipile. - name: linkedin-content description: LinkedIn post creation, scheduling, and management. - name: linkedin-playground description: Direct LinkedIn actions (profile lookup, messaging, engagement). - name: bavimail-proxy description: BaviMail domain, alias, and email management. - name: agent description: Bavi AI agent chat with SSE streaming. - name: notifications description: Notification preferences and delivery. - name: referral description: Referral code management and stats. - name: feedback description: User feedback submission. - name: authentication description: JWT token verification and user info. - name: Google OAuth description: Google OAuth login flow and access tokens. - name: Google Sheets OAuth description: Google Sheets import and access management. - name: stripe description: Stripe checkout, billing portal, and subscription status. JWT only. - name: users description: User quota and usage information. - name: Health description: Health checks and system status. - name: Personalization description: Core lead personalization engine. - name: Session Management description: Enrichment session lifecycle. - name: Session Processing description: Session data processing. - name: webhooks description: Inbound webhook handlers (Stripe, BaviMail, Unipile). paths: /api/v1/sender-profile-chat/message: post: tags: - sender-profile-chat summary: Send Chat Message description: |- Send a message in the chat session. Processes user input and returns the next question or completes the profile creation process. Args: request: Chat request with session ID and user message Returns: Chat response with bot's reply operationId: send_chat_message_api_v1_sender_profile_chat_message_post requestBody: content: application/json: schema: $ref: >- #/components/schemas/api__routers__sender_profile_chat__ChatRequest required: true responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/ChatResponse' '401': description: Unauthorized - Invalid or missing JWT token '403': description: Forbidden - Insufficient permissions '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - HTTPBearer: [] components: schemas: api__routers__sender_profile_chat__ChatRequest: properties: session_id: type: string title: Session Id description: Unique session identifier message: type: string title: Message description: User's message context: anyOf: - additionalProperties: true type: object - type: 'null' title: Context description: Current conversation context and collected data type: object required: - session_id - message title: ChatRequest description: Request model for chat interactions. ChatResponse: properties: session_id: type: string title: Session Id message: $ref: '#/components/schemas/ChatMessage' is_complete: type: boolean title: Is Complete description: Whether profile collection is complete default: false collected_data: anyOf: - additionalProperties: true type: object - type: 'null' title: Collected Data description: All collected profile data so far next_field: anyOf: - type: string - type: 'null' title: Next Field description: The field we're expecting next suggestions: anyOf: - items: type: string type: array - type: 'null' title: Suggestions description: Suggested responses or examples type: object required: - session_id - message title: ChatResponse description: Response model for chat interactions. HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError ChatMessage: properties: id: type: string title: Id role: type: string title: Role description: 'Message sender: ''user'' or ''assistant''' content: type: string title: Content description: Message content timestamp: type: string format: date-time title: Timestamp metadata: anyOf: - additionalProperties: true type: object - type: 'null' title: Metadata description: Additional metadata like field name, validation rules type: object required: - role - content title: ChatMessage description: Represents a single message in the chat conversation. ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type type: object required: - loc - msg - type title: ValidationError securitySchemes: HTTPBearer: type: http scheme: bearer ````