# Proceeds > Proceeds lets you put a programmable payment layer in front of an API endpoint. ## Docs - [Proceeds](https://docs.myproceeds.xyz/index.md): Proceeds lets you monetize any API by adding a programmable payment layer in front of your endpoints. With Proceeds, you can put a paywall in front of an existing API, define pricing for each endpoint, and accept payments through machine-payment standards such as x402, Machine Payments Protocol (MPP… ## OpenAPI Specs - [openapi](https://docs.myproceeds.xyz/api-reference/openapi.json)