# Maito > Documentation and API Reference for Maito. ## Docs - [Authentication](https://docs.getmaito.com/docs/api-reference/authentication.md): Create and use a Maito API key for server-side API requests. - [API Introduction](https://docs.getmaito.com/docs/api-reference/introduction.md): Use the Maito REST API from your own backend, scripts, internal tools, or custom newsletter website proxy. - [Upload Media](https://docs.getmaito.com/docs/api-reference/media-uploads/upload-media.md): Upload one or more media files as base64 payloads and receive hosted URLs. - [Block Subscriber](https://docs.getmaito.com/docs/api-reference/newsletter/block-subscriber.md): Block a newsletter subscriber. - [Create Category](https://docs.getmaito.com/docs/api-reference/newsletter/create-category.md): Create a newsletter category. - [Create Issue](https://docs.getmaito.com/docs/api-reference/newsletter/create-issue.md): Create a draft newsletter issue. - [Create Subscriber](https://docs.getmaito.com/docs/api-reference/newsletter/create-subscriber.md): Create or resubscribe one newsletter subscriber from a server-side integration. Keep the API key on your backend server; do not call this endpoint from browser JavaScript. - [Delete Category](https://docs.getmaito.com/docs/api-reference/newsletter/delete-category.md): Delete a newsletter category. - [Delete Issue](https://docs.getmaito.com/docs/api-reference/newsletter/delete-issue.md): Delete a draft newsletter issue. - [Delete Subscriber](https://docs.getmaito.com/docs/api-reference/newsletter/delete-subscriber.md): Delete a newsletter subscriber. - [Get Issue](https://docs.getmaito.com/docs/api-reference/newsletter/get-issue.md): Get a newsletter issue. - [Get Issue Analytics](https://docs.getmaito.com/docs/api-reference/newsletter/get-issue-analytics.md): Get analytics for a newsletter issue. - [Get Issue By Slug](https://docs.getmaito.com/docs/api-reference/newsletter/get-issue-by-slug.md): Get one public sent newsletter issue by slug from a server-side integration. Keep the API key on your backend server; do not call this endpoint from browser JavaScript. - [Get Newsletter Analytics](https://docs.getmaito.com/docs/api-reference/newsletter/get-newsletter-analytics.md): Get overview newsletter analytics. - [Get Newsletter Settings](https://docs.getmaito.com/docs/api-reference/newsletter/get-newsletter-settings.md): Get newsletter settings for the active account set. - [Import Subscribers](https://docs.getmaito.com/docs/api-reference/newsletter/import-subscribers.md): Import newsletter subscribers from structured data or CSV text. - [List Categories](https://docs.getmaito.com/docs/api-reference/newsletter/list-categories.md): List newsletter categories for custom newsletter websites and backend integrations. - [List Issues](https://docs.getmaito.com/docs/api-reference/newsletter/list-issues.md): List newsletter issues. Scheduled sends are draft issues with scheduledFor set; filter status=draft and inspect scheduledFor to find scheduled issues. - [List Subscribers](https://docs.getmaito.com/docs/api-reference/newsletter/list-subscribers.md): List newsletter subscribers. - [Send Issue](https://docs.getmaito.com/docs/api-reference/newsletter/send-issue.md): Send a newsletter issue now, or schedule it when scheduledFor is provided. - [Send Test Issue](https://docs.getmaito.com/docs/api-reference/newsletter/send-test-issue.md): Send a test email for a newsletter issue. - [Update Issue](https://docs.getmaito.com/docs/api-reference/newsletter/update-issue.md): Update a draft newsletter issue. - [Update Newsletter Settings](https://docs.getmaito.com/docs/api-reference/newsletter/update-newsletter-settings.md): Update newsletter settings for the active account set. - [Responses and Errors](https://docs.getmaito.com/docs/api-reference/responses.md): Understand Maito API success responses, error envelopes, and status codes. - [Week of May 29, 2026](https://docs.getmaito.com/docs/changelog/2026-05-29.md): Webhooks service, newsletter provider hardening, and faster app loads. - [Custom Newsletter Website](https://docs.getmaito.com/docs/documentation/custom-newsletter-website.md): Build a custom newsletter website on top of Maito issues, categories, and subscribers. - [Quickstart](https://docs.getmaito.com/docs/learn/quickstart.md): Get started with Maito: set up your newsletter, create your first issue, and publish it with social distribution. - [Maito MCP](https://docs.getmaito.com/docs/mcp/introduction.md): Connect an AI assistant to Maito through the remote MCP server. - [Tools](https://docs.getmaito.com/docs/mcp/tools.md): MCP tools currently registered by the Maito MCP server. ## OpenAPI Specs - [openapi](https://docs.getmaito.com/docs/openapi.json)