Decode EVM calldata or a Base tx hash into a readable function call: signature, ...
https://api.x402node.dev/chain/tx-decodeOverview
Decode EVM calldata or a Base tx hash into a readable function call: signature, selector, and decoded typed arguments. Search terms: calldata decoder, ABI decode, function selector 4byte, transaction decoder, EVM tx decode.
Protocol
x402
Price
$0.05
Payment Asset
USD Coin
Payment Network
Base
Category
crypto/transactions
Provider
x402node
Source
bazaar
Indexed
2026-06-03 00:17:40
Health
Status
healthy
Latency (p50)
417ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-27 03:43:18
Last Healthy
2026-07-27 03:43:18
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"calldata": "Calldata (optional)",
"data": "Data (required)",
"to": "Target format (optional)",
"tx": "Tx (required)",
"txhash": "Txhash (optional)"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-27 03:43:18 | healthy | 402 | 414ms | |
| 2026-07-26 23:49:43 | healthy | 402 | 140ms | |
| 2026-07-26 19:47:32 | healthy | 402 | 140ms | |
| 2026-07-26 19:15:09 | healthy | 402 | 420ms | |
| 2026-07-26 17:05:13 | healthy | 402 | 142ms | |
| 2026-07-26 12:48:59 | healthy | 402 | 450ms | |
| 2026-07-26 08:54:19 | healthy | 402 | 416ms | |
| 2026-07-26 04:06:04 | healthy | 402 | 452ms | |
| 2026-07-26 00:13:36 | healthy | 402 | 435ms | |
| 2026-07-25 22:32:47 | healthy | 402 | 422ms | |
| 2026-07-25 15:31:21 | healthy | 402 | 238ms | |
| 2026-07-25 14:28:01 | healthy | 402 | 417ms | |
| 2026-07-25 10:10:31 | healthy | 402 | 477ms | |
| 2026-07-25 03:52:53 | healthy | 402 | 417ms | |
| 2026-07-24 23:23:07 | healthy | 402 | 486ms | |
| 2026-07-24 19:45:19 | healthy | 402 | 412ms | |
| 2026-07-24 15:51:46 | healthy | 402 | 190ms | |
| 2026-07-24 11:24:08 | healthy | 402 | 420ms | |
| 2026-07-24 08:25:38 | healthy | 402 | 142ms | |
| 2026-07-24 05:19:05 | healthy | 402 | 470ms |