x402 service changes Across the whole directory, x402 List has detected 999 payout address rotations and 1,897 price moves on the x402 wire in the last 90 days. Schema changes are listed below, not counted here.
What moved on the x402 wire. We fingerprint the full accepts[] on every probe, so a
payout address rotation at an unchanged price shows up here even when nothing else moves. Newest
first, last 90 days.
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all payout price schema method
Showing changes for circadian only. show all services
Observed x402 service changes. Event timestamps are UTC. Time (UTC) Service Change Evidence 63d ago 2026-08-22 11:01 UTC Circadian schema changed proof what moved schema removed GET /api/brief exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"name":"USD Coin","version":"2"}
schema removed GET /api/extract exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"name":"USD Coin","version":"2"}
schema removed GET /api/meta exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"name":"USD Coin","version":"2"}
schema added GET /api/brief exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"facilitator":"https://facilitator.payai.network","name":"USD Coin","version":"2"}
schema added GET /api/extract exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"facilitator":"https://facilitator.payai.network","name":"USD Coin","version":"2"}
schema added GET /api/meta exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"facilitator":"https://facilitator.payai.network","name":"USD Coin","version":"2"}
88d ago 2026-07-28 11:33 UTC Circadian schema changed proof what moved endpoint added GET /api/brief
schema added GET /api/brief exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 2
Measurement methodology