FutureSense AI

FutureSense AI Communications API

Email sending and templates

Documentation GitHub OpenAPI

Operations 1

POST /communications/email/send Send transactional email #

Specifications

⚙

OpenAPI

https://artifacts.apis.io/futuresenseai-com/openapi/futuresenseai-com-communications-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: FutureSense AI Communications API
  version: 4.0.0
  description: Unified REST API for AI-powered business automation. 439 operations across 33 apps — accounting, invoicing, payroll, CRM, AI content, scheduling, voice calls, and financial planning. All operations use a universal credit system.
  contact:
    name: FutureSense AI
    email: admin@futuresenseai.com
    url: https://futuresenseai.com
  license:
    name: Proprietary
    url: https://futuresenseai.com/terms
  x-logo:
    url: https://futuresenseai.com/FutureSenseAI.Logo.png
    altText: FutureSense AI
servers:
- url: https://api.futuresenseai.com
  description: Production
security:
- bearerAuth: []
tags:
- name: Communications
  description: Email sending and templates
paths:
  /communications/email/send:
    post:
      operationId: sendTransactionalEmail
      summary: Send transactional email
      tags:
      - Communications
      parameters:
      - $ref: '#/components/parameters/AppIdHeader'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - to
              - subject
              - htmlBody
              properties:
                to:
                  type: string
                  format: email
                subject:
                  type: string
                htmlBody:
                  type: string
      responses:
        '200':
          description: Email sent
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: string
        code:
          type: string
  parameters:
    AppIdHeader:
      name: x-app-id
      in: header
      required: true
      schema:
        type: string
      description: Target application ID (e.g., invoicer, react-blog, booking-system)
      example: invoicer
  responses:
    Unauthorized:
      description: Missing or invalid authentication token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: Invalid or missing authentication token
            code: UNAUTHORIZED
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Firebase ID token from Firebase Authentication
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: API key from /user-api-keys endpoint
externalDocs:
  description: Full interactive API documentation (Swagger UI)
  url: https://api.futuresenseai.com/api-docs