Check a Base transaction hash: is it an x402 settlement (a successful top-level ...
https://agents.avasis.ai/v1/base/x402-settle-checkOverview
Check a Base transaction hash: is it an x402 settlement (a successful top-level USDC transferWithAuthorization or receiveWithAuthorization with an AuthorizationUsed event)? Returns payer, payTo, amount, block time, the relaying facilitator signer and the authorization nonce, or the reason it is not one. Unknown hash 404, pending 404, bad input 400: never charged.
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/transactions
Provider
Avasis Agent Platform
Source
self-registered
Indexed
2026-11-08 04:56:00
Health
Status
healthy
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"tx": "0xfa62bba5395f7ab14d055ff82e4068ee93899cad5563244ef57542c6b3d7d6ec"
},
"type": "http"
}
Output Schema
{
"example": {
"amount_atomic": "1000",
"amount_usdc": "0.001",
"authorization": {
"authorizer": "0xe62923133a417cee4241677865ed5a63f44f4b54"
},
"block": 53602179,
"facilitator": {
"call": "transferWithAuthorization(v,r,s)",
"label": null,
"relayer": "0x14fda13953fc30428938e6bf950d036e77214e52"
},
"is_x402_settlement": true,
"log_index": 403,
"network": "eip155:8453",
"pay_to": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
"payer": "0xe62923133a417cee4241677865ed5a63f44f4b54",
"product": "x402-settle-check",
"status": "success",
"time_utc": "2026-11-05T20:33:31Z",
"tx": "0xfa62bba5395f7ab14d055ff82e4068ee93899cad5563244ef57542c6b3d7d6ec"
},
"type": "json"
}