Introducing zkAPI: private usage credits for any API

tl;dr: zkAPI lets you pay for a metered API without being known. Deposit credits into an Ethereum vault once, then authorize bounded usage with zero-knowledge proofs instead of an identity. The provider sees the requests, and the payment layer sees the spend. Neither learns the link between them. The...
This is the summary Ethereum Foundation Blog publishes in its feed. The full article lives on their site.