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x402 service changes

Across the whole directory, x402 List has detected 1,118 payout address rotations and 1,366 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 circadian only. show all services

Observed x402 service changes. Event timestamps are UTC.
Time (UTC)ServiceChangeEvidence
Circadian price changed
proof what moved

GET /api/brief · eip155:8453 · USDC: 3000000 → 500000

Amounts are on-wire atomic units in the named asset.

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"}

Circadian schema changed
proof what moved

endpoint added GET /api/brief

schema added GET /api/brief exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 2

Circadian payout address changed
proof what moved

payout removed 0xC0f0fDC6C46e961F513373f581386B253fC98341

payout added 0x9f54460FED51892b3b065EAe3Ac1603dC3C6ECe4

Measurement methodology

Page snapshot as of .

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