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QuickNode Ethereum Mainnet JSON-RPC Proxy
x402
QuickNode Ethereum Mainnet JSON-RPC Proxy is a paid API for AI agents from x402.quicknode.com, paid per call via x402, $10/call, status unknown (last checked 2026-09-14).
Proxies JSON-RPC calls to Ethereum mainnet via QuickNode's infrastructure, billed per call via x402 micropayments
Price / call$10
Success—
StatusUnknown
How this service works
Payment for credits to access Quicknode Core API
Output
A JSON-RPC 2.0 response object containing the result of the requested Ethereum method call — e.g. block number as a hex string, account balance in wei, transaction receipt object, or smart contract return data — along with the matching request id.
Example use cases
Example prompt
“Use QuickNode to call eth_blockNumber on Ethereum mainnet so I can see what the latest block is right now.”
Technical details
Endpoint
POSThttps://x402.quicknode.com/ethereum-mainnetWhen to prefer
Use this endpoint when you need reliable, low-latency access to Ethereum mainnet JSON-RPC without managing your own node, and are comfortable paying per-call via x402 USDC micropayments. Prefer it over self-hosted nodes for on-demand agent workloads, and over free public RPCs when uptime and rate limits matter.
Side effects
- Invalid JSON-RPC method name returns an error object with code -32601
- Malformed params array causes -32602 invalid params error
- Insufficient x402 payment credits results in 402 Payment Required response
- Network congestion or node unavailability may cause timeout or 503 error
- Calling a method not supported by Ethereum mainnet returns -32000 server error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| id | — | Request identifier |
| methodrequired | string | JSON-RPC method name (e.g., eth_blockNumber, eth_call) |
| params | array | Method parameters |
| jsonrpcrequired | string |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| id | — | |
| error | object | |
| result | — | RPC result (type varies by method) |
| jsonrpc | string |
Tags
x402
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