# Knowledge Base

Documentation and guides for the Public API.

## Available Guides

- **[RESTful API Best Practices](/publicapi/api-best-practices)** - Comprehensive guide covering versioning, casing, URLs, query parameters, pagination, and error handling
- **[API Testing Code Conventions](/publicapi/api-testing-conventions)** - Standard conventions for API testing including test class structure and naming patterns
- **[Standard Metadata/Headers](/publicapi/standard-metadata-headers)** - Architecture-approved standard message headers for HSOne services
- **[Sandbox Access + API Credentials](/publicapi/sandbox-access-credentials)** - How to access Ascend Sandbox APIs, obtain credentials, and retrieve access tokens
- **[Create a Customer](/publicapi/create-customer)** - Guide to creating a new customer and understanding which steps are self-serve vs require HS1 support


## Topics

Additional content areas:

- API Authentication
- Rate Limiting
- Advanced Error Handling Strategies