On-Chain Counterparty Settlement History

Machine Tool Interface · settlement-history-check

$0.02 / callPaid per call · 0 free tier No signup

ON-CHAIN COUNTERPARTY PROOF: Review USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you never pay during an RPC outage.

Honest Scope Guarantee

Reads public Base chain state via RPC, preflighted so you never pay during an outage. It proves what is on-chain — not who controls a key or what happens off-chain.

Run in Playground (Free) Buy Card Credits Agent Quickstart

Quickstart & Execution

cURL (Paid-only route — unauthenticated calls return HTTP 402 Payment Required)

curl -X POST https://api.code402.dev/v1/tools/settlement-history-check/call \
  -H "content-type: application/json" \
  -d '{"address":"0xc59c85e661d34084a7769f955d17fd38254a6235"}'

This route is paid-only (0 free calls/day); every unauthenticated request returns an HTTP 402 Payment Required challenge with its payment terms. Machines use USDC on Base; card credits (instant Stripe checkout) are enabled in this deployment. Signed XDR-1 receipts authenticate recorded service claims, not independent settlement, delivery or zero-knowledge proofs.

Input Parameters

Field	Type	Meaning & Constraints
`address` (REQUIRED)	`string`	EVM address, 0x-prefixed.

Response Format

Deterministic JSON payload fields: tool, valid, address, usdc_sent, usdc_received, scope. Paid responses also carry an offline-verifiable receipt object (XDR-1, secp256k1 signature recoverable to the authorized signer).

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