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Fluid Checkout PRO

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

REST API (upcoming)​

  • REST API overview lists authentication notes, shared response shape, and every endpoint. This reference is upcoming and may change before the public release.
  • REST API errors lists every wire error code (fc_api_*) for this plugin.
  • Each endpoint page (for example GET /address-book) includes the route, parameters, and optional examples.

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.