# TotalShiftLeft API Learning Sandbox > A free, interactive multi-protocol API testing and learning platform. Try and learn REST, GraphQL, SOAP, Swagger, and API authentication live in your browser — no setup required. Built for API training demos, tool evaluations, and developer education. ## Pages - [Interactive Sandbox UI](https://demo.totalshiftleft.ai/ui): Main UI with REST CRUD explorer, GraphQL editor, SOAP operations, authentication testing, error & delay simulation, and guided learning scenarios. - [Swagger / OpenAPI Docs](https://demo.totalshiftleft.ai/docs): Full OpenAPI 3.0 documentation with live try-it-out for every REST endpoint. - [GraphiQL IDE](https://demo.totalshiftleft.ai/graphiql): Interactive GraphQL explorer with built-in schema browser, autocomplete, and a pre-loaded example query. - [GraphQL SDL Schema](https://demo.totalshiftleft.ai/graphql/schema): Full schema definition in SDL format — import into any GraphQL client. - [SOAP WSDL](https://demo.totalshiftleft.ai/soap?wsdl): WSDL service definition for all 14 SOAP operations — import into SoapUI or Postman. - [LLM Full Reference](https://demo.totalshiftleft.ai/llms-full.txt): Complete API reference, use cases, and structured data optimised for LLM context. ## Optional - [API Info JSON](https://demo.totalshiftleft.ai/api): Machine-readable getting-started guide with all endpoint URLs. - [Health Check](https://demo.totalshiftleft.ai/health): Server status and uptime.