EVM transaction lookup for 16 chains: status, fee, confirmations, decoded action...
https://saylorinnovations.com/api/explorer/txOverview
EVM transaction lookup for 16 chains: status, fee, confirmations, decoded action, ERC-20 and NFT transfers, and L1 data fee on L2s, read straight from chain RPC.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/nft
Provider
Saylor Innovations Data Desk
Source
bazaar
Indexed
2026-10-21 00:23:03
Health
Status
healthy
Latency (p50)
373ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-28 15:23:43
Last Healthy
2026-10-28 15:23:43
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"chain": "ethereum",
"hash": "0xbb4b3fc2b746877dce70862850602f1d19bd890ab4db47e6b7ee1da1fe578a0d"
},
"type": "http"
}
Output Schema
{
"example": {
"block_number": 20000000,
"block_time": "2024-06-01T22:36:47.000Z",
"chain": "ethereum",
"chain_id": 1,
"confirmations": 6234799,
"contract_created": null,
"decoded_action": {
"function": null,
"known": false,
"risks": [
{
"code": "unknown_function",
"message": "The function selector is not in the built-in table, so what this transaction does is not known from the calldata alone.",
"severity": "moderate"
}
],
"selector": "0x091a4fc4",
"summary": "Unrecognised function selector 0x091a4fc4. The call cannot be decoded offline; treat it as unverified."
},
"effective_gas_price_gwei": null,
"fee_native": null,
"from": "0xae2fc483527b8ef99eb5d9b44875f005ba1fae13",
"gas_limit": 458541,
"gas_used": null,
"hash": "0xbb4b3fc2b746877dce70862850602f1d19bd890ab4db47e6b7ee1da1fe578a0d",
"l1_data_fee_native": null,
"log_count": 0,
"native_symbol": "ETH",
"nonce": 2756766,
"note": "Read straight from chain RPC. fee_native is gas used x effective gas price. If status is mined_receipt_unavailable the transaction is in a block but this node has pruned its receipt (old history): success, fee and transfers cannot be read without an archive node. A failed transaction still pays its fee; the revert reason is not available from RPC without a trace. token_transfers lists standard ERC-20/721 Transfer events from this transaction only.",
"position_in_block": 0,
"selector": "0x091a4fc4",
"source": "Chain JSON-RPC (ethereum)",
"status": "mined_receipt_unavailable",
"to": "0x6b75d8af000000e20b7a7ddf000ba900b4009a80",
"token_transfers": [],
"type": 2,
"value_native": 1.050180096e-9,
"value_wei": "1050180096"
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-28 15:23:43 | healthy | 402 | 366ms | |
| 2026-10-28 14:18:22 | healthy | 402 | 368ms | |
| 2026-10-28 05:44:15 | healthy | 402 | 377ms | |
| 2026-10-28 04:46:14 | healthy | 402 | 323ms | |
| 2026-10-28 03:52:21 | healthy | 402 | 307ms | |
| 2026-10-28 02:53:11 | healthy | 402 | 393ms | |
| 2026-10-28 01:48:45 | healthy | 402 | 350ms | |
| 2026-10-28 00:41:45 | healthy | 402 | 347ms | |
| 2026-10-27 23:45:26 | healthy | 402 | 290ms | |
| 2026-10-27 22:59:33 | healthy | 402 | 344ms | |
| 2026-10-27 21:48:16 | healthy | 402 | 763ms | |
| 2026-10-27 20:33:19 | healthy | 402 | 396ms | |
| 2026-10-27 19:28:51 | healthy | 402 | 373ms | |
| 2026-10-27 17:59:33 | healthy | 402 | 614ms | |
| 2026-10-26 19:50:57 | healthy | 402 | 992ms | |
| 2026-10-25 18:43:22 | healthy | 402 | 454ms |