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GPUOps Arbitrum RPC Endpoint
x402
GPUOps Arbitrum RPC Endpoint is a paid API for AI agents from chain.gpuops.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Provides pay-per-call JSON-RPC access to the Arbitrum blockchain network via x402 micropayments
Price / call$0.001
Success—
StatusUnknown
How this service works
Multi-chain blockchain data API. 7 chains. x402 pay-per-call with USDC on Base.
Output
Standard Ethereum JSON-RPC response object containing the requested blockchain data — block details, transaction info, account state, log entries, or contract call results — depending on the method called.
Example use cases
DeFi portfolio tracker on Arbitrum
“Look up the current token balances and recent transaction history for my wallet 0xDEAD...BEEF on Arbitrum so I can see how my DeFi positions are doing.”
Smart contract state read
“Call the Arbitrum RPC to read the current price from my on-chain Chainlink oracle contract at 0x1234...5678 using eth_call — I need the latest answer.”
Gas fee estimation for Arbitrum transaction
“Can you fetch the current gas price and estimate the fee for a token swap transaction on Arbitrum before I submit it?”
Technical details
Endpoint
POSThttps://chain.gpuops.io/v1/rpc/arbitrumWhen to prefer
Choose this endpoint when you need pay-as-you-go Arbitrum RPC access without committing to a subscription, especially useful for agents making sporadic or low-volume blockchain queries. Ideal for multi-chain workflows where cost-per-call transparency via x402 USDC micropayments is preferred over monthly API key billing.
Side effects
- Payment failure if insufficient USDC balance for x402 micropayment
- Invalid JSON-RPC method name returns error code -32601
- Malformed params array causes -32602 invalid params error
- Rate limiting or node unavailability returns 503
- Non-existent block or transaction hash returns null result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| id | integer | |
| method | string | |
| params | array | |
| jsonrpc | string |
Tags
x402
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