10 Services from open-pay.jp

Returns hourly-computed JPYC transfer metrics on Polygon for the last ~24 hours, including event count, unique senders/receivers, volume, median transfer, and top receivers.

Returns a weekly change feed of Japan-related JPYC and Web3 services, filtered by a since-date or as a full snapshot, with each event typed as added/updated/removed/verified.

Returns the live total supply of JPYC (Japan's yen-pegged stablecoin) for one or all supported chains (Polygon, Kaia, Avalanche, Ethereum), read directly from the token contracts at request time.

Returns the live JPYC stablecoin balance of any Ethereum-compatible address across Polygon, Kaia, Avalanche, and Ethereum in a single call

Returns the most recent JPYC stablecoin transfer events on a specified blockchain (roughly the last hour of blocks), newest first, optionally filtered to a single address as sender or recipient.

Returns a dated change feed of stablecoin payment service events in Japan, including new launches, pilots, partnerships, fee changes, supported assets/chains, and closures, filterable by date.

Retrieves a list of stores registered on the OpenPay payment infrastructure that accept USDC and JPYC stablecoin payments in Japan

Search the Japan Web3 directory for USDC/JPYC-compatible merchants and payment services via OpenPay's non-custodial payment infrastructure

Returns OpenPay merchant/directory information for Japan Web3 listings, accessible via micropayment of $0.02 USDC using the x402 payment protocol

Returns a hello message with the current timestamp, serving as a demonstration of x402 micropayment-gated API access.