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Delx Commerce — Base Settlement Receipt Check
x402
Delx Commerce — Base Settlement Receipt Check is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Validates a Base blockchain settlement receipt by checking chain, amount, recipient, and status fields against expected values
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object with boolean fields for chain_match, amount_match, recipient_match, and status_success, plus an overall pass/fail status string. Also includes an evidence block with retained=false, a SHA-256 hash of the input, the count of external calls made (0), and the operation identifier. Onchain_verified is included but may be false for preflight checks.
Example use cases
Agent payment gating before delivery
“Before you send the results to the client, verify this Base receipt to confirm the recipient address 0xDeAdBeEf... received exactly 1000000 raw USDC and the status shows success — only proceed if everything matches.”
Auditing x402 pay-per-result transactions
“I have a batch of Base settlement receipts from our agent marketplace — can you check this one to see if the chain, amount, and recipient all match what we expected, so I can flag any discrepancies?”
On-chain payment confirmation for escrow release
“We're about to release an escrow — please validate this Base settlement receipt against expected recipient 0x1234...5678 and raw amount 500000 to make sure the payment went through correctly before we unlock the funds.”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/base-settlement-receipt-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to programmatically verify that a Base blockchain settlement receipt matches expected payment parameters (recipient address and raw amount) before releasing a resource, fulfilling a request, or logging a confirmed transaction. Prefer it over manual onchain lookups when you want a structured, deterministic pass/fail response with an auditable input hash and zero data retention, especially in x402 pay-per-result agent pipelines on Base.
Side effects
- Malformed or missing receipt object returns a validation error
- Expected recipient or amount mismatch results in pass=fail with false match flags
- Overly large receipt object (>128 properties) may be rejected
- Network errors on the x402 payment layer return a 402 before the check runs
- Invalid USDC amount format in expected_amount_raw may cause parsing failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| receipt | object | Receipt supplied to Base Settlement Receipt Check; used only for this bounded calculation and processed in memory without retention. |
| expected_recipient | string | Expected Recipient supplied to Base Settlement Receipt Check; used only for this bounded calculation and processed in memory without retention. |
| expected_amount_raw | string | Expected Amount Raw supplied to Base Settlement Receipt Check; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"chain_match": true,
"amount_match": true,
"status_success": true,
"recipient_match": true,
"onchain_verified": false
},
"schema": "delx/util-base-settlement-receipt-check/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "7f5a14a56828aeeef17308408fd528ebad754eaf15b74a541935ea910a050663",
"external_calls": 0
},
"operation": "evm_preflight:base_settlement_receipt_check"
}
}Tags
x402
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