x402 service changes

Across the whole directory, x402 List has detected 1,118 payout address rotations and 1,368 price moves on the x402 wire since change tracking began on 2026-07-24 (75 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, since tracking began (75 days).

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Showing changes for butterfly-delta-preflight only. show all services

Observed x402 service changes. Event timestamps are UTC.

Time (UTC)	Service	Change	Evidence
48d ago2026-08-21 00:14 UTC	Butterfly Delta Order Preflight	schema changed	proof what moved endpoint added POST /api/agent/order-preflight schema added POST /api/agent/order-preflight exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 60 {"assetTransferMethod":"eip3009","name":"USD Coin","version":"2"}

Measurement methodology

Page snapshot as of 2026-10-07 15:20 UTC.

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