Purple Pay is a regulatory compliant payment protocol and is requesting a grant from the 0x treasury to create a new use case for the 0x engine in the form of payment processor and enable atomic swaps for merchants using the Purple Pay API.
The discussion forum link can be found here-
https://gov.0x.org/t/grant-request-purple-pay/3500
The objective of this vote is process the grant from the 0x treasury.