x402 service changes Across the whole directory, x402 List has detected 1,005 payout address rotations and 1,895 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 second-opinion-ms0hen6l-0 only. show all services
Observed x402 service changes. Event timestamps are UTC. Time (UTC) Service Change Evidence 75d ago 2026-08-10 10:39 UTC Second Opinion schema changed proof what moved schema added POST /v1/verify exact eip155:137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 USDC 2 120 {"name":"USD Coin","version":"2"}
schema added POST /v1/verify/async exact eip155:137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 USDC 2 60 {"name":"USD Coin","version":"2"}
schema added POST /v1/verify/panel exact eip155:137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 USDC 2 300 {"name":"USD Coin","version":"2"}
schema added POST /v1/verify/panel/async exact eip155:137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 USDC 2 60 {"name":"USD Coin","version":"2"}
schema added POST /v1/verify/quick exact eip155:137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 USDC 2 60 {"name":"USD Coin","version":"2"}
schema added POST /v1/verify/quick/async exact eip155:137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 USDC 2 60 {"name":"USD Coin","version":"2"}
76d ago 2026-08-08 14:58 UTC Second Opinion price changed proof what moved POST /v1/verify/quick · algorand:wghe2pwdvd7s12bl5faop20egyesn73ktic1qzkkit8= · USDC: 30000 → 20000
POST /v1/verify/quick · eip155:8453 · USDC: 30000 → 20000
POST /v1/verify/quick/async · algorand:wghe2pwdvd7s12bl5faop20egyesn73ktic1qzkkit8= · USDC: 30000 → 20000
POST /v1/verify/quick/async · eip155:8453 · USDC: 30000 → 20000
POST /v1/verify/quick/async · solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp · USDC: 30000 → 20000
Amounts are on-wire atomic units in the named asset.
Measurement methodology