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R2 x402 Manifest Audit API

x402devtools402 seen 2026-10-17

Pay-per-call endpoint from R2 Advisory. Price per call: $2.000 (USDC, x402).

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Proof

endpoint (shown as text, not a link, to avoid accidental calls): https://r2-x402-manifest-audit.dragonfly27.workers.dev/v1/check
“HTTP 402 + x402 v2 challenge: amount 2000000 atomic units of USD Coin (= $2)”
source: r2-x402-manifest-audit.dragonfly27.workers.dev/v1/check

Details

Price per call
$2.000 (USDC, x402)
Provider
R2 Advisory
Protocol
x402 · USDC (Base)
Method
POST
Price basis
USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
Last probed
2026-10-17

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