the402 endpoint detail

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attester.dev mcp report

https://attester.dev/v2/mcp/report

payable

Signed drift history for one MCP server: pins over time, every detected drift event, and a current verdict (stable, changed, or poisoning-suspect). $0.05 USDC per report.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x57407D691F755cAa107647718F3582a8A87467dD
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
1077 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:09:40.664Z (1d ago)
Category
mcp-server

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fattester.dev%2Fv2%2Fmcp%2Freport"