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QuickNode JSON-RPC Proxy — World Chain Sepolia
x402
QuickNode JSON-RPC Proxy — World Chain Sepolia is a paid API for AI agents from x402.quicknode.com, paid per call via x402, $10/call, status unknown (last checked 2026-09-15).
Proxies JSON-RPC calls to the World Chain Sepolia testnet via QuickNode's blockchain infrastructure
Price / call$10
Success—
StatusUnknown
How this service works
JSON-RPC proxy — worldchain-sepolia
Output
A JSON-RPC 2.0 response object containing the result field with the requested blockchain data (e.g. hex-encoded balance, block object, transaction receipt, contract return value) or an error object with code and message if the call failed.
Example use cases
Example prompt
“Call eth_getBalance on World Chain Sepolia for address 0xAbCd...1234 using QuickNode's RPC proxy so I can check its testnet balance.”
Technical details
Endpoint
POSThttps://x402.quicknode.com/worldchain-sepolia/When to prefer
Use this endpoint when you need to interact with the World Chain Sepolia testnet specifically — for testing World Chain smart contracts, checking testnet balances, or simulating transactions before mainnet deployment. Prefer this over worldchain-mainnet when working in a test/development environment to avoid real funds. QuickNode's infrastructure provides reliable, low-latency RPC access compared to public endpoints.
Side effects
- Invalid JSON-RPC method name returns error code -32601 method not found
- Malformed params array returns error code -32602 invalid params
- Network or node unavailability returns HTTP 503 or JSON-RPC internal error -32603
- Payment not provided or insufficient returns HTTP 402 Payment Required
- Rate limit exceeded returns HTTP 429
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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