post https://api.dev.givecard.dev/api/v1/business/merchantRule
This endpoint is no longer supported. Please use CreateSpendRule instead.
Creates a merchant category spend rule that allows or blocks specified merchant categories.
The mode can be set to 'block' to prevent spending at listed merchant categories, or 'allow' to restrict spending to only merchants within the list.
For a complete list of merchant categories, refer to the Getting Started section of the docs.