EVM account nonce on 16 chains: latest versus pending, transactions in flight, n...
https://saylorinnovations.com/api/explorer/nonceOverview
EVM account nonce on 16 chains: latest versus pending, transactions in flight, next nonce to use, and how to replace a stuck transaction.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/transactions
Provider
Saylor Innovations Data Desk
Source
bazaar
Indexed
2026-10-21 00:23:03
Health
Status
healthy
Latency (p50)
352ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-28 15:23:25
Last Healthy
2026-10-28 15:23:25
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"chain": "ethereum"
},
"type": "http"
}
Output Schema
{
"example": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"advice": "No transactions from this address are waiting. Use next_nonce_to_use for the next one.",
"balance_native": 5.773251986299759,
"chain": "ethereum",
"chain_id": 1,
"gas_price_gwei": 0.554296,
"native_symbol": "ETH",
"next_nonce_to_use": 5969,
"nonce_latest": 5969,
"nonce_pending": 5969,
"note": "Pending counts reflect the mempool of the RPC node that answered, which can differ from other nodes. Read straight from chain RPC.",
"pending_transactions": 0,
"source": "Chain JSON-RPC (ethereum)",
"status": "clear"
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-28 15:23:25 | healthy | 402 | 486ms | |
| 2026-10-28 14:18:08 | healthy | 402 | 290ms | |
| 2026-10-28 05:43:43 | healthy | 402 | 422ms | |
| 2026-10-28 04:45:47 | healthy | 402 | 782ms | |
| 2026-10-28 03:51:58 | healthy | 402 | 366ms | |
| 2026-10-28 02:52:46 | healthy | 402 | 314ms | |
| 2026-10-28 01:48:04 | healthy | 402 | 288ms | |
| 2026-10-28 00:41:21 | healthy | 402 | 352ms | |
| 2026-10-27 23:45:00 | healthy | 402 | 286ms | |
| 2026-10-27 22:58:54 | healthy | 402 | 287ms | |
| 2026-10-27 21:47:49 | healthy | 402 | 428ms | |
| 2026-10-27 20:33:01 | healthy | 402 | 371ms | |
| 2026-10-27 19:28:17 | healthy | 402 | 308ms | |
| 2026-10-26 19:05:21 | healthy | 402 | 5352ms | |
| 2026-10-26 03:47:25 | healthy | 402 | 226ms |