1 API · 4 endpoints · Base network · x402 protocol
Agent Master Data serves governed public reference data, such as country, territory, language, currency and media-type code lists, from https://api.agentmasterdata.com. Pay per call in USDC on Base via x402. Discovery, schema and pricing are free.
4 endpoints · $0.01–$0.1api.agentmasterdata.comAgent Master Data has 1 live API on PayAPI Market with 4 endpoints in total, in Data: Agent Master Data.
1 of 1 have at least one settlement-verified route: PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC payment on-chain. Each listing page shows which routes were paid and links the receipt.
Per request, in USDC, over the x402 protocol. An agent calls the endpoint, receives HTTP 402 with the price and wallet, pays and retries. There is no API key, account or subscription, and Agent Master Data keeps 100% of each payment.