[KongchangAI]
Unverified50% confidenceFactExact time

The conversion call GET /api/fx/convert?from=USD&to=EUR&amount=100 returns HTTP 402 when unpaid and quotes 1000 atomic units of USDC in the PAYMENT-REQUIRED response header, with the network as eip155:8453 (Base mainnet) and the scheme as exact.

1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/19/2026
First Seen
Valid until: 11/2/2026

Sources

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Stable URI
https://kongchang.com/claim/1071857
API
curl https://kongchang.com/api/v1/knowledge/claims/1071857
MCP
get_claim(id=1071857)