> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://mailchimp.com/developer/transactional/docs/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mailchimp.com/developer/_mcp/server.

# Documentation

> Find all the Mailchimp API documentation and tools developers need to send marketing and transactional emails.

## Docs

- [Fundamentals](https://mailchimp.com/developer/transactional/docs/fundamentals.md): Learn the basics to start sending with Mailchimp Transactional.
- [Authentication and Delivery](https://mailchimp.com/developer/transactional/docs/authentication-delivery.md): Learn how to configure your sending domain and monitor delivery responses.
- [Outbound Email](https://mailchimp.com/developer/transactional/docs/outbound-email.md): Get to know the details of sending messages with Mailchimp Transactional.
- [SMTP Integration](https://mailchimp.com/developer/transactional/docs/smtp-integration.md): Set up sending with SMTP and modify your messages with custom headers.
- [Templates and Dynamic Content](https://mailchimp.com/developer/transactional/docs/templates-dynamic-content.md): Create reusable templates and inject dynamic data in your sends.
- [Tags and Metadata](https://mailchimp.com/developer/transactional/docs/tags-metadata.md): Label your messages to segment sends, search activity, and compare stats.
- [The Rules Engine](https://mailchimp.com/developer/transactional/docs/rules-engine.md): Change sending behavior based on conditional rules that you create.
- [Subaccounts](https://mailchimp.com/developer/transactional/docs/subaccounts.md): Manage reputation, activity, reports, and quotas across different senders under a single account.
- [Reputation and Rejections](https://mailchimp.com/developer/transactional/docs/reputation-rejections.md): Understand bounces, spam complaints, and other factors that determine account reputation.
- [Activity and Reports](https://mailchimp.com/developer/transactional/docs/activity-reports.md): Review delivery and recipient behavior with Mailchimp Transactional\u2019s analytics tools.
- [Webhooks](https://mailchimp.com/developer/transactional/docs/webhooks.md): Receive information about email events as they occur and respond in a way that you define.
- [Transactional SMS](https://mailchimp.com/developer/transactional/docs/transactional-sms.md): Learn how to configure transactional sms