Where a wallet is active: native balance, transaction count and contract flag on...
https://saylorinnovations.com/api/chain/activity-mapOverview
Where a wallet is active: native balance, transaction count and contract flag on all 16 EVM chains in one call, with the most active chain.
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 04:24:46
Health
Status
healthy
Latency (p50)
879ms
Uptime (30d)
93.8%
Reliability Score
86.9/100
Last Checked
2026-10-28 15:24:07
Last Healthy
2026-10-28 15:24:07
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
},
"type": "http"
}
Output Schema
{
"example": {
"active_chains": [
"ethereum",
"base",
"optimism"
],
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"chains_active": 16,
"chains_answered": 16,
"chains_queried": 16,
"elapsed_ms": 263,
"most_active_chain": "ethereum",
"note": "Native balance, outgoing transaction count and contract flag for this address on every supported EVM chain, read at each chain's latest block. Balances are in each chain's own currency and are not su…",
"results": [
{
"active": true,
"chain": "ethereum",
"chain_id": 1,
"is_contract": false,
"ms": 111,
"native_balance": 5.773251986299759,
"native_symbol": "ETH",
"ok": true,
"tx_count": 5969
},
{
"active": true,
"chain": "base",
"chain_id": 8453,
"is_contract": false,
"ms": 196,
"native_balance": 3.1288218134727375,
"native_symbol": "ETH",
"ok": true,
"tx_count": 70
},
{
"active": true,
"chain": "arbitrum",
"chain_id": 42161,
"is_contract": false,
"ms": 198,
"native_balance": 0.15941176090690093,
"native_symbol": "ETH",
"ok": true,
"tx_count": 14
}
],
"source": "Chain JSON-RPC (16 EVM chains)",
"total_transactions_sent": 6121
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-28 15:24:07 | healthy | 402 | 4955ms | |
| 2026-10-28 14:18:34 | healthy | 402 | 696ms | |
| 2026-10-28 06:58:46 | healthy | 402 | 282ms | |
| 2026-10-28 05:37:12 | healthy | 402 | 1455ms | |
| 2026-10-28 04:39:09 | error | — | — | fetch failed |
| 2026-10-28 03:45:30 | healthy | 402 | 219ms | |
| 2026-10-28 02:45:13 | healthy | 402 | 1355ms | |
| 2026-10-28 01:41:08 | healthy | 402 | 1074ms | |
| 2026-10-28 00:35:05 | healthy | 402 | 312ms | |
| 2026-10-27 23:38:41 | healthy | 402 | 181ms | |
| 2026-10-27 22:52:13 | healthy | 402 | 1668ms | |
| 2026-10-27 21:41:47 | healthy | 402 | 521ms | |
| 2026-10-27 20:26:42 | healthy | 402 | 236ms | |
| 2026-10-27 19:21:23 | healthy | 402 | 879ms | |
| 2026-10-26 07:31:22 | healthy | 402 | 947ms | |
| 2026-10-26 06:37:01 | healthy | 402 | 934ms |