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Ethereum Next Transaction Nonce
x402
Ethereum Next Transaction Nonce is a paid API for AI agents from appearing-clinics-show-wrote.trycloudflare.com, paid per call via x402, price unknown, status down (last checked 2026-09-15).
Returns the next pending nonce for any Ethereum address, enabling correct transaction sequencing.
Price / call—
Success—
StatusDown
How this service works
Free live Ethereum next-nonce sample for the service receiver. Purchase any Ethereum address nonce at GET /ethereum-nonce?address=0x5D8b58bAdE65318bC95e2EAd24e6F0E2b042Aa78 for $0.0029.
Output
Returns the next expected nonce (transaction count) for the queried Ethereum address — a non-negative integer representing how many transactions the account has sent, which must be used as the nonce field in the next submitted transaction.
Example use cases
Pre-flight check before sending ETH
“Before I broadcast my raw Ethereum transaction, can you get the current next nonce for 0x5D8b58bAdE65318bC95e2EAd24e6F0E2b042Aa78 so I can set it correctly?”
Diagnosing a stuck transaction
“My Ethereum transaction seems stuck — can you check the current pending nonce for my wallet 0x5D8b58bAdE65318bC95e2EAd24e6F0E2b042Aa78 so I can figure out if there's a nonce gap?”
Automated transaction sequencing in a bot
“I'm building a trading bot that sends multiple transactions — can you fetch the live next nonce for 0x5D8b58bAdE65318bC95e2EAd24e6F0E2b042Aa78 so I can sequence them without collisions?”
Technical details
Endpoint
GEThttps://appearing-clinics-show-wrote.trycloudflare.com/ethereum-nonce-sampleWhen to prefer
Choose this endpoint when you need to programmatically determine the correct nonce for the next Ethereum transaction from a given address, especially before signing and broadcasting raw transactions, or when diagnosing stuck or pending transactions due to nonce gaps. It is particularly useful for bots, automated pipelines, or wallets that need real-time nonce data without running a full Ethereum node.
Side effects
- Invalid Ethereum address format returns an error or empty response
- Address with no transaction history may return nonce 0, which is valid but could be misinterpreted
- Network latency from Cloudflare tunnel may cause occasional timeouts
- Paid endpoint required for arbitrary address lookups — sample endpoint may only return data for a fixed demo address
- Response may lag behind mempool if node is not fully synced
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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