docs.commercelayer.io

# Commerce Layer Docs ## Welcome - [Documentation that helps you ship](/readme.md): Explore our API reference, developer tools, open-source components, and exhaustive documentation. Join our vibrant community of developers and technology leaders today. ## Getting started - [Welcome to Core API](/core/onboarding.md): How to get started with Commerce Layer Core API and set up your first organization - [Guided setup](/core/onboarding/guided-setup.md): Sign up for free and set up your organization - [Manual configuration](/core/onboarding/manual-configuration.md): A step-by-step guide on how to set up an organization from scratch, using our CLI - [API specification](/core/api-specification.md): Basic info about endpoints, resources, credentials, and environments - [API credentials](/core/api-credentials.md): An overview of Commerce Layer's API credentials types and how generate them - [Authentication](/core/authentication.md): How to get your access token, based on OAuth 2.0 grants - [Client credentials](/core/authentication/client-credentials.md): How to execute the authorization flow and get your access token - [Password](/core/authentication/password.md): How to execute the authorization flow and get your access token - [Authorization code](/core/authentication/authorization-code.md): How to execute the authorization flow and get your access token - [Refresh token](/core/authentication/refresh-token.md): How to execute the authorization flow and get your access token - [JWT bearer](/core/authentication/jwt-bearer.md): How to execute the authorization flow and get your access token - [Revoking a token](/core/authentication/revoking-a-token.md): How to revoke any kind of access or refresh token - [Roles and permissions](/core/roles-and-permissions.md): How to set specific permitted actions for each resource - [Fetching resources](/core/fetching-resources.md): How to fetch single resources or collections - [Fetching relationships](/core/fetching-relationships.md): H