402rpc
402rpc.com · 5 paid endpoints · listed 2026-10-27
On-chain spot price of ETH or BTC in USDC from the deepest Uniswap v3 pools on Ethereum mainnet, read from a full node at the latest block (no third-party price feed). Pairs: ETH-USDC, BTC-USDC. Use it as an independent, verifiable price reference; it reflects the pool price, not an exchange average.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | 402rpc.com/rpc Ethereum mainnet JSON-RPC from an independently operated full node. One call per payment, no account or API key. Serves eth_, net_ and web3_ methods. Blocks, tr | $0.001 | Polygon, Arbitrum, Base |
| GET | 402rpc.com/v1/eth/ens Resolve ENS on Ethereum mainnet from a full node: name to address (e.g. vitalik.eth) or address to primary name (reverse record, verified forward). Use it to tu | $0.001 | Polygon, Arbitrum, Base |
| GET | 402rpc.com/v1/eth/gas Ethereum mainnet gas now, from an independently operated full node: latest block, base fee and the priority fees paid in the last 20 blocks (10th, 50th, 90th pe | $0.001 | Polygon, Arbitrum, Base |
| GET | 402rpc.com/v1/eth/price On-chain spot price of ETH or BTC in USDC from the deepest Uniswap v3 pools on Ethereum mainnet, read from a full node at the latest block (no third-party price | $0.001 | Polygon, Arbitrum, Base |
| GET | 402rpc.com/v1/eth/balances Ethereum mainnet balances of an address at the latest block, read directly from a full node: ETH plus USDC, USDT, DAI, WETH, WBTC, stETH, LINK and UNI (zero bal | $0.002 | Polygon, Arbitrum, Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 5 days ago | 402rpc.com/rpc | 402 | 488 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-01 | 14 | $0.015 | |
| 2026-10-30 | 4 | $0.005 | |
| 2026-10-29 | 3 | $0.003 | |
| 2026-10-28 | 5 | $0.007 | |
| 2026-10-27 | 10 | $0.01 | |
| 2026-10-26 | 1 | $0.001 | |
| 2026-10-25 | 28 | $0.028 |
Is this your API?
<a href="https://logicnodes.io/observatory/p/402rpc.com"><img src="https://logicnodes.io/observatory/badge/402rpc.com.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/402rpc.com