# Rules

## Rule Verification

 - [POST /rules/verify](https://docs.shift4.com/apis/payments-platform-rest/openapi/rules/rulesverify.md): Used to check for various processing rules such as surcharge eligibility.

 
- Host Direct

See the Integration Methods and URLs Section sections of the Development Quick Start guide for details regarding each processing option.

See the JSON Body Schemas for more details on the various JSON body formats.