/v1/balance
Native balance + nonce + is-contract on one chain
Try it live
10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.
It works. Grab an API key and use it in your project.
Get an API keyCode snippets
curl "https://api.oanor.com/walletbalance-api/v1/balance" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/walletbalance-api/v1/balance", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/walletbalance-api/v1/balance");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
"https://api.oanor.com/walletbalance-api/v1/balance",
headers={"x-oanor-key": "oanor_test_..."}
)
Example response
A real response from this endpoint, captured by the latest health check.
{
"data": {
"name": "Ethereum",
"chain": "ethereum",
"native": "ETH",
"address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
"balance": 5.68884045,
"tx_count": 5896,
"balance_wei": "5688840446715981478",
"is_contract": true
},
"meta": {
"timestamp": "2026-06-09T03:02:01.958Z",
"request_id": "3c668ee4-d9b4-474a-be9e-f6cb0b5fac9e"
},
"status": "ok",
"message": "Balance retrieved successfully",
"success": true
}