Inbox

aid: inbox
name: Inbox
description: Inbox is an API Evangelist index of email and inbox-oriented API platforms that developers use to send, receive,
  parse, route, schedule, and verify email messages. The index focuses on transactional and conversational email providers
  exposing programmatic access to message lifecycle, deliverability, and inbox automation primitives.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Email
- Inbox
- Messaging
- Deliverability
- Transactional Email
url: https://raw.githubusercontent.com/api-evangelist/inbox/refs/heads/main/apis.yml
created: '2024-12-25'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: inbox:mailgun-email-api
  name: Mailgun Email API
  description: Mailgun provides a programmable email API for sending, receiving, tracking, and validating email at scale.
    Endpoints cover messages, domains, suppressions, mailing lists, webhooks, inbound routes, event streams, and inbox placement
    testing for deliverability monitoring.
  humanURL: https://www.mailgun.com/
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  tags:
  - Email
  - Transactional Email
  - Deliverability
  - Inbound Parsing
  properties:
  - type: Documentation
    url: https://documentation.mailgun.com/docs/mailgun/api-reference/intro/
  - type: Reference
    url: https://documentation.mailgun.com/docs/mailgun/api-reference/openapi-final/tag/Introduction/
  - type: Pricing
    url: https://www.mailgun.com/pricing/
  - type: Signup
    url: https://signup.mailgun.com/new/signup
- aid: inbox:nylas-email-api
  name: Nylas Email API
  description: Nylas exposes a unified REST API for email, calendar, contacts, and scheduling across Google, Microsoft, iCloud,
    and IMAP providers. Developers can read, send, and thread messages, manage folders and labels, handle attachments, and
    subscribe to webhook notifications without integrating each provider individually.
  humanURL: https://www.nylas.com/products/email-api/
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  tags:
  - Email
  - Unified API
  - IMAP
  - Webhooks
  properties:
  - type: Documentation
    url: https://developer.nylas.com/docs/v3/email/
  - type: Reference
    url: https://developer.nylas.com/docs/api/v3/ecc/
  - type: Pricing
    url: https://www.nylas.com/pricing/
  - type: Signup
    url: https://dashboard-v3.nylas.com/register
common:
- type: Website
  url: https://apievangelist.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com