Tool detail
nonce
Returns the next transaction nonce (transactions-sent count) for an Ethereum wallet via eth_getTransactionCount.
Categories: Onchain data
Use when
- get the next nonce for a wallet before sending a tx
- count how many transactions an address has sent
Not for
- not a transaction history list — a single count only
Inputs
GET path param: {address} (0x... wallet, required); query params: block (integer, tag, or hex, optional), network (enum, optional, default ethereum)
Inputs undocumented: unsupported schema construct: oneOf
Endpoint
- Method
GET- URL
https://api.onesource.io/api/chain/nonce/{address}
Payment
- Protocol
- x402
- Listed price
- 0.003 USDC per call on Base
- Payment method
- exact
- Network
- eip155:8453
- Asset
- 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.
Source
- Directory
- Coinbase x402 Bazaar
- Record
- GET https://api.onesource.io/api/chain/nonce/:address
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z