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x402 service changes

Across the whole directory, x402 List has detected 122 payout address rotations and 1,943 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 ask-cairn only. show all services

Observed x402 service changes. Event timestamps are UTC.
Time (UTC)ServiceChangeEvidence
Ask Cairn schema changed
proof what moved

schema removed GET /api/ask exact solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v USDC 2 60 {"decimals":6,"feePayer":"2rLKC3roaytxtVfsnQjM8YaWpBkngVvvpK1Kfz2H6ZrR","question":"put your question (<=800 chars) in the JSON body {\"question\":\"...\"} of the paying request, or in the transaction memo — it binds atomically with settlement"}

schema added GET /api/ask exact solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v USDC 2 60 {"decimals":6,"feePayer":"2rLKC3roaytxtVfsnQjM8YaWpBkngVvvpK1Kfz2H6ZrR","question":"put your question (<=800 chars) in the JSON body {\"question\":\"...\"} of the paying request, or (<=400 chars) in the transaction memo — it binds atomically with settlement"}

Measurement methodology

Page snapshot as of .

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