SERVICE / DETAILother

x402 Multi-Chain RPC

GET x402tap.com/api/rpc

OPEN SERVICE ↗
SONAR SCORE0.819
LIVE PRICE0.003000
BAZAAR LIVEcompatible
CDP INDEXEDno
DECISION EVIDENCE

Why an agent can trust this route.

20 observations in the last 24h
HANDSHAKE SUCCESS100.0%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY1399msrecent response window
PRICE DRIFT0.0%advertised vs observed

Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.

SONAR PROBE HISTORY / 30D

Observed outcomes

JSON ↗
LIVE ENDPOINT METADATA

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

Resource: x402tap.com/api/rpc

Network: eip155:8453, eip155:137, eip155:42161, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0xB810B599bc730Aa85800BABe7f5d160524322C86

Payment methods: — · Last validation: 2026-09-14 07:15:46.79+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET"
        ],
        "type": "string"
      },
      "queryParams": {
        "type": "object",
        "required": [
          "method"
        ],
        "properties": {
          "chain": {
            "type": "string",
            "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)"
          },
          "method": {
            "type": "string",
            "description": "Read-only JSON-RPC method name, e.g. eth_getBalance, eth_call, eth_blockNumber"
          },
          "params": {
            "type": "string",
            "description": "JSON-encoded array of RPC params, e.g. [\"0xabc...\",\"latest\"] (default [])"
          }
        }
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object"
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
        "amount": "3000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "3000"
    },
    {
      "raw": {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
        "amount": "3000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "scheme": "exact",
      "network": "eip155:137",
      "amountAtomic": "3000"
    },
    {
      "raw": {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
        "amount": "3000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 300
      },
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "scheme": "exact",
      "network": "eip155:42161",
      "amountAtomic": "3000"
    },
    {
      "raw": {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
        "amount": "3000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      },
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "amountAtomic": "3000"
    }
  ]
}
METADATA PROVENANCE

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.