EmailEngine

EmailEngine Outbox API

The Outbox API from EmailEngine — 1 operation(s) for outbox.

GitHub OpenAPI

Documentation

📖
Documentation
https://emailengine.app/
📖
APIReference
https://learn.emailengine.app/docs/api/emailengine-api
📖
Documentation
https://learn.emailengine.app/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/emailengine/refs/heads/main/openapi/emailengine-outbox-api-openapi.yml

Other Resources

🔗
SourceCode
https://github.com/postalsys/emailengine
🔗
Webhooks
https://emailengine.app/webhooks

OpenAPI Specification

emailengine-outbox-api-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: EmailEngine Account Outbox API
  description: EmailEngine REST API exposes a unified interface for sending and receiving email through IMAP, SMTP, Gmail, and Microsoft Graph. Endpoints below are derived from the public EmailEngine API reference navigation.
  version: 1.0.0
  x-generated-from: https://learn.emailengine.app/docs/api/emailengine-api
  x-generated-by: claude-crawl-2026-05-08
servers:
- url: https://api.emailengine.app
  description: EmailEngine API
tags:
- name: Outbox
paths:
  /v1/outbox:
    get:
      summary: List outbox items
      operationId: listOutbox
      responses:
        '200':
          description: Outbox response
          content:
            application/json:
              schema:
                type: object
      tags:
      - Outbox