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Get Transaction Count (Nonce) for Ethereum Address
x402
Get Transaction Count (Nonce) for Ethereum Address is a paid API for AI agents from api.api-agent-ia.ch, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-23).
Returns the transaction count (nonce) for a given Ethereum address
Price / call$0.002
Success—
StatusUnknown
How this service works
Which nonce should your next transaction use? Returns the number of confirmed transactions sent by an address on Base; pending ones are not counted ($0.002 per call).
Output
Returns a JSON object containing the nonce (total number of transactions sent from the address) and the queried Ethereum address itself, e.g. {"nonce": 42, "adresse": "0x..."}
Example use cases
Pre-flight nonce check before sending ETH
“Before I broadcast my next Ethereum transaction, can you check the current nonce for my wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e so I know what nonce to assign?”
Audit wallet activity level
“How many transactions has the wallet 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe ever sent? I want to know its nonce to gauge how active it is.”
Detect stuck or pending transactions
“I think there might be a stuck pending transaction on my wallet 0xAbcD1234efgh5678... — can you fetch its on-chain transaction count so I can figure out which nonce to use to replace it?”
Technical details
Endpoint
GEThttps://api.api-agent-ia.ch/nonce?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, low-cost lookup of an Ethereum address's transaction count (nonce) — particularly useful for transaction construction, fraud detection, activity auditing, or debugging stuck transactions. Part of a broader blockchain data API suite that includes ENS resolution, token metadata, and smart contract analysis.
Side effects
- Missing or malformed 'adresse' query parameter returns an error
- Invalid Ethereum address format may return an error or unexpected result
- Network or upstream node unavailability causes request failure
- Payment not included or insufficient (x402 payment required) returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"nonce": 70,
"reseau": "base",
"adresse": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}
}Tags
x402
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