Cors Header Checker Underscoredone

live Free/req Tools low confidence bazaar

x402 service discovered via CDP Bazaar with 1 endpoint(s).

Bazaar Verification

This service is verified on Coinbase Bazaar — its x402 endpoints are registered and discoverable.

Networksbase, solana
Endpoints1
Last Seen2026-09-28T07:20:30.555Z

Endpoints (1)

GET https://cors-header-checker.underscoredone.com/checkFree

How to Call This Service

Direct x402 Request

curl -X POST https://cors-header-checker.underscoredone.com/check \
  -H "Content-Type: application/json" \
  -H "X-Payment: <base64-eip712-signed-usdc-authorization>" \
  -d '{"prompt": "your query here"}'

Via Signal402 MCP

signal402_call service="Cors Header Checker Underscoredone" payload='{"prompt": "your query"}'

Details

URLhttps://cors-header-checker.underscoredone.com/check
CategoryTools
Statuslive
PriceFree per request
Confidencelow confidence
Sourcehttps://api.cdp.coinbase.com/platform/v2/x402/discovery/resources
Last Verified2026-09-28T07:20:30.555Z

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