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QuickNode JSON-RPC Proxy — Sophon Mainnet
x402
QuickNode JSON-RPC Proxy — Sophon Mainnet 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 the Sophon mainnet blockchain, enabling on-chain reads and writes via standard Ethereum-compatible RPC methods.
Price / call$10
Success—
StatusUnknown
How this service works
JSON-RPC proxy — sophon-mainnet
Output
Returns a standard JSON-RPC 2.0 response object containing the result of the requested method (e.g. block number, transaction data, contract call output) or an error object with code and message if the call fails.
Example use cases
Example prompt
“Call eth_blockNumber on the Sophon mainnet blockchain and tell me the current block height.”
Technical details
Endpoint
POSThttps://x402.quicknode.com/sophon-mainnet/When to prefer
Use this endpoint when you need to interact specifically with the Sophon mainnet blockchain via JSON-RPC — reading chain state, calling contracts, fetching transactions, or broadcasting signed transactions. Prefer this over other QuickNode chain endpoints when your target network is Sophon mainnet specifically.
Side effects
- Invalid JSON-RPC method name returns error code -32601 (method not found)
- Malformed params array returns error code -32602 (invalid params)
- Payment not provided or insufficient results in HTTP 402 payment required
- Network congestion or node unavailability returns HTTP 503 or timeout
- Unsupported method for Sophon chain returns RPC 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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