x402 service changes Across the whole directory, x402 List has detected 114 payout address rotations and 1,867 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 signalharness-ai only. show all services
Observed x402 service changes. Event timestamps are UTC. Time (UTC) Service Change Evidence 45d ago 2026-09-21 11:40 UTC SignalHarness.ai schema changed proof what moved endpoint added POST /api/agent/services/artifact_verify/invoke
endpoint added POST /api/agent/services/schema_org_extract/invoke
endpoint added POST /api/agent/services/structured_extract/invoke
endpoint added POST /api/agent/services/web_extract/invoke
schema added POST /api/agent/services/artifact_verify/invoke exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"decimals":6,"name":"USD Coin","symbol":"USDC","version":"2"}
schema added POST /api/agent/services/schema_org_extract/invoke exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"decimals":6,"name":"USD Coin","symbol":"USDC","version":"2"}
schema added POST /api/agent/services/structured_extract/invoke exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"decimals":6,"name":"USD Coin","symbol":"USDC","version":"2"}
schema added POST /api/agent/services/web_extract/invoke exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"decimals":6,"name":"USD Coin","symbol":"USDC","version":"2"}
Measurement methodology