api.onesource.io/api/chain/proxy/:address

api.onesource.io · x402

Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy

Name and description as published by x402 Bazaar

Live

Last successful check: 25 Oct 2026, 18:05 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

82 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Connect

https://api.onesource.io/api/chain/proxy/:address

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 26 Oct, 05:59 UTC
Wallets named: 0x52e29e0d2aa49bfbfc548c0a9f2196f4aa51f3eanamed by x402 Bazaar
Listed since: 25 Oct 2026, 17:50 UTC

Payments

different wallets paid it, last 30 days: 82
paid calls, last 30 days: 82
last paid call (UTC): 25 Oct, 16:02

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 05:59 UTC. addrbook has not counted these payments itself.

Its x402 endpoints have not listed a payment option addrbook could read yet.

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
api.onesource.io	x402	Live	25 Oct, 18:05	25 Oct, 18:05	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

api.onesource.io