The Ethereum Foundation and the Open Anonymity Project have launched zkAPI, a system now live on Ethereum mainnet that uses zero-knowledge proofs to separate API usage from payment identity. Under the setup, users can deposit assets such as ETH or USDC into an on-chain vault, then authorize either one-time or session-based API access with a zero-knowledge proof. Service providers can confirm that payment is valid, but they cannot see where the deposit came from or who made the payment. At the same time, the payment layer cannot view the content of the request. The project is currently aimed mainly at AI inference workloads, though the design can also be extended to services such as RPC and image generation. Funds are held in smart contracts, and users can exit and withdraw their assets on their own. Techub attributed the item to Wu Blockchain.
According to Techub News, the Ethereum Foundation and the Open Anonymity Project have launched zkAPI, which is now live on Ethereum mainnet.
Zero-knowledge proofs separate API use from payment identity
zkAPI uses zero-knowledge proofs to split API usage from the identity tied to payment. Users can deposit assets such as ETH or USDC into an on-chain vault, then authorize either a single API call or a session of API use through a zero-knowledge proof.
Service providers can verify that a payment is valid, but they cannot determine the source of the deposit or the identity behind the payment. The payment layer also cannot see the content of the request.
Initial use cases
The system is currently focused on AI inference, and it can also be extended to RPC, image generation, and other services. Funds are held in smart contracts, and users can exit and withdraw on their own.
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