x402 Multi-Chain RPC
Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and more
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 137 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 6 (directory's own records)
- Paid calls, last 30 days
- 7
- Category
- Blockchain reads
- Address
- https://x402tap.com/api/rpc
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/055f95af5273.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).