Tool detail

LION Verified Company

Executes a keyless JSON-RPC read call against Base or Ethereum and returns the result.

Categories: Onchain data, Utilities

Use when

make a raw JSON-RPC read call to Base or Ethereum without running a node
check the current block number on Base or Ethereum

Not for

not for write or state-changing RPC calls
not for chains other than Base and Ethereum

Inputs

GET query params: method (JSON-RPC method, e.g. eth_blockNumber) (required); chain (base|ethereum), params (JSON array string) (optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "base|ethereum"
    },
    "method": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "JSON-RPC method e.g. eth_blockNumber"
    },
    "params": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "JSON array string of params"
    }
  },
  "required": [
    "method"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://lionx402.com/api/x402/keyless-base-rpc-json

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://lionx402.com/api/x402/keyless-base-rpc-json
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z