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x402 service changes

Across the whole directory, x402 List has detected 1,057 payout address rotations and 1,873 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 signal-forge-prospect-qualifier only. show all services

Observed x402 service changes. Event timestamps are UTC.
Time (UTC)ServiceChangeEvidence
Signal Forge x402 Services schema changed
proof what moved

endpoint added POST /x402/fetch

schema added POST /x402/fetch exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"assetTransferMethod":"eip3009","name":"USD Coin","paymentFlow":"authorization","version":"2"}

Signal Forge x402 Services schema changed
proof what moved

endpoint added POST /x402/campaign-link-check

endpoint added POST /x402/email-preflight

endpoint added POST /x402/message-match-batch

endpoint added POST /x402/offer-change-check

schema added POST /x402/campaign-link-check exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

schema added POST /x402/email-preflight exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

schema added POST /x402/message-match-batch exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

schema added POST /x402/offer-change-check exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

Signal Forge x402 Services schema changed
proof what moved

endpoint added POST /x402/creative-check

endpoint added POST /x402/listing-optimizer

endpoint added POST /x402/message-match

endpoint added POST /x402/prospect-batch

schema added POST /x402/creative-check exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

schema added POST /x402/listing-optimizer exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

schema added POST /x402/message-match exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

schema added POST /x402/prospect-batch exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 1800 {"name":"USD Coin","version":"2"}

Measurement methodology

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