Multi-Chain RPC Gateway /x402/rpc APIPOST /x402/rpc · x402 API by Multi-Chain RPC Gateway
JSON-RPC for Base, Ethereum, Arbitrum, Optimism and Polygon through one endpoint, no account or API key. Automatic failover across several public nodes per chain (the answer names the node that served it), and failed calls come back with Error(string)/Panic(uint256) decoded into plain text. Read methods plus eth_sendRawTransaction; batches up to 20 count as one call. Signed receipt included.
What does this x402 API do?
Multi-Chain RPC Gateway /x402/rpc API. This is an x402-gated POST API resource from Multi-Chain RPC Gateway. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names eip155:137 and eip155:42161 and Base and Solana. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- eip155:137 · eip155:42161 · Base · Solana
- Latest evidence
- TOLL·402 did not invoke this route automatically because doing so was not considered safe
- Resource ID
- 26b9e67cc3b0bcfacd819125
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.eucompliance.tools/x402/rpc", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"type": "http",
"method": "POST",
"bodyType": "json",
"bodyFieldNames": [
"id",
"jsonrpc",
"method",
"params"
],
"pathParamNames": [],
"queryParamNames": []
}),
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.Review the provider input schema before running this non-read-only method. No payment code is included.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Exact route checked
not safely testable · potentially-mutating-method:POST
- Origin reachable
OPTIONS https://api.eucompliance.tools/ returned 405.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.