Developer Docs

Everything you need to
get started

Guides, API references, SDK docs, and code examples. Ship your first email in under 5 minutes.

API Reference

Full REST API documentation with request/response examples for every endpoint.

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SDKs & Libraries

Official clients for Node.js, Python, PHP, Ruby, and Go. Community SDKs for more.

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Quickstart Guide

Send your first transactional email in under 5 minutes, step by step.

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Template Engine

Build reusable email templates with Handlebars or Liquid variable syntax.

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Webhooks

Subscribe to delivery events: opened, clicked, bounced, complained, and more.

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Authentication

API keys, DKIM setup, SPF records, and DMARC configuration guides.