Unverified50% confidenceFactExact time
The exact scheme means that an exact amount is required to be paid; eip155:8453 is the CAIP-2 chain identifier of the Base mainnet; USDC is the USD stablecoin on that chain.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe payment field in a real unpaid 402 response contains: scheme: exact, network: eip155:8453 (Base), asset: USDC contract address, amount: 10000 (i.e. 0.01 USDC), payTo: receiving address, maxTimeoutSeconds: 120.72% similarUnverifiedThe recalibration service is billed per use, uses USDC on the Base chain, and settles through the x402 payment protocol.68% similarUnverifiedThe programmability of stablecoins such as USDC allows for atomic payments, binding service delivery and payment settlement into the same on-chain transaction.67% similarUnverifiedThe logic of the batch settlement mechanism is: the agent opens a payment channel funded with USDC, authorizes requests one by one off-chain, and finally settles the cumulative total with a single on-chain transaction.65% similarUnverifiedSAP Pay's payment rails cover ACH, EFT, wire transfers, checks and real-time payments, and natively integrate Circle's USDC stablecoin payments.65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1071862API
curl https://kongchang.com/api/v1/knowledge/claims/1071862MCP
get_claim(id=1071862)