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QuantaFlow x402 API Gateway – Infura StarkNet Mainnet Proxy
x402
QuantaFlow x402 API Gateway – Infura StarkNet Mainnet Proxy is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Proxies requests to Infura's StarkNet mainnet RPC endpoint via the x402 micropayment protocol, charging $0.01 USDC per call.
Price / call$0.01
Success—
StatusUnknown
How this service works
Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.
Output
The raw upstream HTTP response from Infura's StarkNet mainnet RPC, passed through transparently after successful $0.01 USDC x402 payment — including JSON-RPC result objects such as block data, transaction receipts, contract storage values, or account balances.
Example use cases
Check StarkNet transaction status
“Look up the status of this StarkNet mainnet transaction hash 0x04f3a1b2... using the Infura RPC gateway and tell me if it was accepted on L2.”
Read smart contract storage on StarkNet
“Call starknet_getStorageAt on the StarkNet mainnet contract at address 0x049d36... for storage key 0x1 using the Infura pay-per-call endpoint.”
Fetch latest StarkNet block data
“Get me the latest StarkNet mainnet block with all transaction hashes included — use the Infura StarkNet RPC gateway via the x402 micropayment proxy.”
Technical details
Endpoint
POSThttps://quanta-roan.vercel.app/api/service/infura-starknet-mainnetWhen to prefer
Choose this endpoint when you need pay-as-you-go access to StarkNet mainnet RPC without a long-term Infura subscription or API key, especially in agent workflows that require on-demand blockchain queries billed per call in USDC via the x402 protocol.
Side effects
- Insufficient USDC balance causes x402 payment failure and request is rejected
- Invalid or malformed StarkNet RPC path returns upstream 400 or 404 error
- StarkNet mainnet RPC method not supported by Infura returns JSON-RPC error
- Network timeout or Infura outage causes upstream 503 or connection error
- Malformed JSON body causes Infura to return parse error
- Payment facilitator unavailable prevents x402 handshake from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| body | string | Optional JSON body forwarded to POST requests. |
| path | string | Path below the selected upstream origin. |
| query | object | |
| method | string |
Output
Schema · Response
{
"description": "The upstream response body and content type are passed through after successful payment."
}Tags
x402
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