> ## Documentation Index
> Fetch the complete documentation index at: https://docs.passionfroot.me/llms.txt
> Use this file to discover all available pages before exploring further.

# Send a message

> Sends a text message to the partner and marks the conversation read for the creator.



## OpenAPI

````yaml /openapi/creator.yaml post /conversations/{conversationId}/messages
openapi: 3.1.0
info:
  title: Passionfroot Creator API
  version: 1.0.0-alpha
  description: >
    Access a creator's own partners, collaborations, placements, catalog,
    proposals, and conversations.

    The API is in alpha. Every operation is restricted to the creator account
    that owns the API key.
servers:
  - url: https://workspace.passionfroot.me/api/creators/v1
security:
  - bearerAuth: []
tags:
  - name: Placements
  - name: Partners
  - name: Collaborations
  - name: Conversations
  - name: Catalog
  - name: Requests
  - name: Proposals
paths:
  /conversations/{conversationId}/messages:
    post:
      tags:
        - Conversations
      summary: Send a message
      description: >-
        Sends a text message to the partner and marks the conversation read for
        the creator.
      operationId: sendCreatorConversationMessage
      parameters:
        - $ref: '#/components/parameters/ConversationId'
        - $ref: '#/components/parameters/IdempotencyKey'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MessageInput'
            example:
              text: Thanks! The draft will be ready by Friday.
      responses:
        '201':
          $ref: '#/components/responses/SentMessage'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          $ref: '#/components/responses/Conflict'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/ServerError'
components:
  parameters:
    ConversationId:
      name: conversationId
      in: path
      required: true
      schema:
        type: string
    IdempotencyKey:
      name: Idempotency-Key
      in: header
      description: >-
        Unique key for one logical write. Reuse the key and identical body for
        retries.
      schema:
        type: string
        minLength: 1
        maxLength: 255
  schemas:
    MessageInput:
      type: object
      additionalProperties: false
      required:
        - text
      properties:
        text:
          type: string
          minLength: 1
          maxLength: 10000
          description: Plain text or allowed basic HTML.
    SentMessage:
      type: object
      required:
        - id
        - conversationId
        - createdAt
      properties:
        id:
          type: string
        conversationId:
          type: string
        createdAt:
          type: string
          format: date-time
    Error:
      type: object
      additionalProperties: false
      required:
        - error
      properties:
        error:
          type: string
  responses:
    SentMessage:
      description: Message sent.
      content:
        application/json:
          schema:
            type: object
            required:
              - data
            properties:
              data:
                $ref: '#/components/schemas/SentMessage'
          example:
            data:
              id: msg_abc
              conversationId: conv_abc
              createdAt: '2026-09-01T09:20:00.000Z'
    BadRequest:
      description: Invalid parameters or body.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing, invalid, expired, or revoked API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: The key lacks access or the required scope.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found or not owned by this creator.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Conflict:
      description: >-
        The operation conflicts with current state or an identical write is in
        progress.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    UnprocessableEntity:
      description: >-
        The body is valid JSON but references an invalid catalog item or reuses
        an idempotency key with different input.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    TooManyRequests:
      description: Rate limit exceeded.
      headers:
        Retry-After:
          $ref: '#/components/headers/RetryAfter'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: Too many requests, please try again later.
    ServerError:
      description: Unexpected server failure. Re-read state before retrying a write.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  headers:
    RetryAfter:
      description: Seconds to wait before retrying.
      schema:
        type: integer
        minimum: 1
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: Passionfroot API key
      description: Create an API key from Settings → API in an approved Creator workspace.

````