# amb.directory

> Directory of Apple Messages for Business brands, Messaging Service Providers (MSPs), and practical guides.

amb.directory helps teams find live AMB deployments, compare MSPs, and learn apply/approve workflows. Independent — not affiliated with Apple Inc.

## Start Here

- [llms.txt](https://amb.directory/llms.txt): curated agent index
- [Brands](https://amb.directory/brands.md): brand directory
- [MSPs](https://amb.directory/msps.md): messaging service providers
- [Guides](https://amb.directory/posts.md): blog / SEO guides
- [OpenAPI](https://amb.directory/openapi.json): public REST API
- [API catalog](https://amb.directory/.well-known/api-catalog): RFC 9727 discovery
- [auth.md](https://amb.directory/auth.md): how agents authenticate (public read)

## Conventions

Append `.md` to any brand, MSP, or post URL for a markdown twin (e.g. `https://amb.directory/brands/1800-contacts.md`).
Or send `Accept: text/markdown` on HTML URLs.