# Soundtrack Your Brand > Soundtrack (Soundtrack Your Brand) is a business music streaming service. The Soundtrack API is a > single-endpoint GraphQL API for building display, control and monitoring apps on top of Soundtrack — > reading what is playing, controlling playback in a store's sound zones, pairing devices, and managing > schedules and playlists. It is free for paying Soundtrack customers. This llms.txt was generated by the > API Evangelist enrichment pipeline from the live GraphQL introspection and public docs (2026-07-21). ## API - [Soundtrack GraphQL endpoint](https://api.soundtrackyourbrand.com/v2): single POST endpoint (queries + mutations); websocket for subscriptions - [API documentation](https://api.soundtrackyourbrand.com/v2/docs): basics, queries, mutations, subscriptions, errors, rate limit - [API Explorer](https://api.soundtrackyourbrand.com/v2/explore): interactive GraphQL explorer - [API changelog](https://api.soundtrackyourbrand.com/v2/docs/changelog) - [API terms of use](https://www.soundtrackyourbrand.com/legal/api-terms-of-use) ## Specs & artifacts (this repo) - [GraphQL schema (SDL)](graphql/soundtrack-your-brand.graphql): 718 types, 79 queries, 126 mutations, 13 subscriptions - [GraphQL introspection JSON](graphql/soundtrack-your-brand-introspection.json) - [Authentication](authentication/soundtrack-your-brand-authentication.yml): HTTP Basic (API token) or Bearer (loginUser) - [Conventions](conventions/soundtrack-your-brand-conventions.yml): Relay cursor pagination, parameterised queries, error envelope - [Errors](errors/soundtrack-your-brand-problem-types.yml) - [Lifecycle](lifecycle/soundtrack-your-brand-lifecycle.yml): versioning, deprecation, status - [Data model](data-model/soundtrack-your-brand-data-model.yml): Account, Location, SoundZone, Device, User, Playlist, Schedule - [Subscriptions AsyncAPI](asyncapi/soundtrack-your-brand-subscriptions-asyncapi.yml): 13 real-time channels - [Agent skills](skills/_index.yml) ## Developer resources - [Example app](https://github.com/soundtrackyourbrand/soundtrack_api-example_app): GraphQL API demo - [GitHub organization](https://github.com/soundtrackyourbrand) - [Player SDK (partner, C)](https://developer.soundtrackyourbrand.com/): native playback SDK for hardware partners (NDA) - [Status page](https://status.soundtrack.io/) ## Company - [Website](https://www.soundtrackyourbrand.com) - [Pricing](https://www.soundtrackyourbrand.com/pricing) - [Blog](https://www.soundtrackyourbrand.com/blog) - [Support](https://www.soundtrackyourbrand.com/support) - [Sign up](https://www.soundtrackyourbrand.com/signup) - [Terms of service](https://www.soundtrackyourbrand.com/legal/terms) - [Privacy policy](https://www.soundtrackyourbrand.com/legal/privacy)