# Flowent API Gateway > Documentation for the Flowent API Gateway ## Docs - [API Main Concepts](https://docs.flowent.chat/api-concepts.md): Master Flowent API Gateway concepts including JWT authentication, webhook implementation, HMAC signature validation, security best practices, and error handling. - [Delete an action](https://docs.flowent.chat/api-reference/actions/delete-an-action.md): Delete an action from your tenant - [Get a specific action](https://docs.flowent.chat/api-reference/actions/get-a-specific-action.md): Retrieve details of a specific action by name - [List all actions](https://docs.flowent.chat/api-reference/actions/list-all-actions.md): Retrieve all actions registered for your tenant - [Register a new action](https://docs.flowent.chat/api-reference/actions/register-a-new-action.md): Register a new action with Flowent. The action's webhook URL will be validated with a test request during registration. - [Update an action](https://docs.flowent.chat/api-reference/actions/update-an-action.md): Update an existing action's properties - [Exchange API token for JWT token](https://docs.flowent.chat/api-reference/authentication/exchange-api-token-for-jwt-token.md): Exchange your API token for a JWT token that can be used for authenticated requests. JWT tokens are valid for 24 hours. - [API Reference](https://docs.flowent.chat/api-reference/introduction.md): Complete API reference for Flowent API Gateway. Explore all endpoints, request/response formats, authentication methods, and interactive API playground. - [Development Setup](https://docs.flowent.chat/development.md): Set up your local development environment for building webhook endpoints with Flowent API Gateway. Configure your server, credentials, and testing tools. - [Flows YAML File Syntax](https://docs.flowent.chat/flows_reference.md): Complete reference guide for Flowent flows.yml files. Learn flow structure, step types, data collection, actions, conditional logic, templates, and best practices. - [Welcome to Flowent API Gateway](https://docs.flowent.chat/index.md): Extend Flowent with custom actions using the API Gateway. Register webhook-based actions with secure authentication and HMAC signature validation. - [Quickstart](https://docs.flowent.chat/quickstart.md): Get started in three simple steps. Register your first custom action with the Flowent API Gateway in minutes. ## OpenAPI Specs - [openapi](https://docs.flowent.chat/api_gateway/openapi.yaml)