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x402 service changes

Across the whole directory, x402 List has detected 851 payout address rotations and 1,849 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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Showing changes for zambo only. show all services

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

GET /api/x402/day-pass · eip155:8453 · USDC: 1490000 → 990000

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

Zambo schema changed
proof what moved

schema removed GET /api/x402/day-pass exact eip155:8453 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 USDC 2 900 {"domain":{"chainId":8453,"name":"USD Coin","verifyingContract":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","version":"2"},"message":{"from":"<payer_address>","nonce":"<bytes32_nonce>","to":"0xb753be5Eac5B29c711051DfF91279834e9C9b9AC","validAfter":"<unix_seconds>","validBefore":"<unix_seconds>","value":"1490000"},"name":"USD Coin","primaryType":"TransferWithAuthorization","types":{"TransferWithAuthorization":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"validAfter","type":"uint256"},{"name":"validBefore","type":"uint256"},{"name":"nonce","type":"bytes32"}]},"version":"2"}

schema added GET /api/x402/day-pass exact eip155:8453 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 USDC 2 900 {"domain":{"chainId":8453,"name":"USD Coin","verifyingContract":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","version":"2"},"message":{"from":"<payer_address>","nonce":"<bytes32_nonce>","to":"0xb753be5Eac5B29c711051DfF91279834e9C9b9AC","validAfter":"<unix_seconds>","validBefore":"<unix_seconds>","value":"990000"},"name":"USD Coin","primaryType":"TransferWithAuthorization","types":{"TransferWithAuthorization":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"validAfter","type":"uint256"},{"name":"validBefore","type":"uint256"},{"name":"nonce","type":"bytes32"}]},"version":"2"}

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