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Fluid Checkout Lite

Developer reference for Fluid Checkout Lite. These pages cover the WordPress actions and filters the plugin runs at checkout and in its settings screens, and the shared REST API wire error codes under fluid-checkout/v1.

REST API (upcoming)​

  • REST API overview covers the shared fluid-checkout/v1 namespace and response conventions. This reference is upcoming and may change before the public release.
  • REST API errors lists the core wire error codes (fc_api_*) defined in Lite.

Hooks​

  • Using PHP hooks lists every action and filter. Each hook page includes the signature, parameters, the version that introduced it, and the source file.
  • Changelog lists every release, newest first.