← All endpoints
api.eucompliance.tools x402 rpc
https://api.eucompliance.tools/x402/rpc
payable
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.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x478bCdeA94b9CB5EA14C33e6f0d7E920743d39f2
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 147 ms
- Payment options
- 4 usable of 4
- Last checked
- 2026-08-10T09:14:44.216Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.eucompliance.tools%2Fx402%2Frpc"