DNS://Money · Field Notes

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How AI agents pay each other and humans, payment name resolution, the pay: namespace, and the FAS-1 protocol, written from inside the build.

March 13, 2026

The First AI-to-AI Payment on Mainnet

Two AI systems sent XRP to each other on XRPL mainnet, autonomously, on-chain and policy-bound. The genesis story of the pay: namespace and FAS-1, with the live transaction you can verify yourself.

Read the genesis story →

More field notes shipping soon: payment name resolution, FAS-1 vs x402, and how agents settle across rails. Want the API? Request access →