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Free static example · no wallet required

EVM address inspection

Inspect the exact response envelope first. When you need current analysis for your own input, one successful x402 call costs $0.002 USDC on Base or Solana.

Run a fresh result · $0.002 USDCReview schemaRaw JSON
No accountNo subscriptionExact USDC priceFresh calls only are paid
Full response envelope

What you receive

Demonstration data only. The paid endpoint returns a fresh result and settlement receipt.

{
  "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
  "service": "crypto.address-inspect",
  "version": "1",
  "data": {
    "valid": true,
    "address": "0x0000000000000000000000000000000000000000",
    "normalizedAddress": "0x0000000000000000000000000000000000000000",
    "checksumAddress": "0x0000000000000000000000000000000000000000",
    "checksumStatus": "valid",
    "inputIsChecksum": true,
    "inputCase": "numeric",
    "isZero": true,
    "bytes": 20,
    "warnings": [
      "Zero address detected; do not assume it is an owned or recoverable destination."
    ],
    "verification": {
      "standard": "ERC-55",
      "chainIndependent": true,
      "networkRequestsMade": false,
      "ownershipChecked": false,
      "balanceChecked": false,
      "contractCodeChecked": false
    },
    "source": "https://eips.ethereum.org/EIPS/eip-55",
    "reason": null
  },
  "meta": {
    "duration_ms": 42,
    "cached": false,
    "sources": [],
    "warnings": [],
    "next_actions": [
      {
        "service": "crypto.base-account-status",
        "title": "Base account status",
        "reason": "Read one-block Base ETH and native USDC balances, nonce, and contract-code evidence after validating the address.",
        "method": "POST",
        "path": "/v1/crypto/base-account-status",
        "price": "$0.003",
        "input_template": {
          "address": "$request.address",
          "block_tag": "safe"
        },
        "use_output": "Use the resolved block, ETH and official USDC balances, nonce, and code evidence as a compact Base account status check.",
        "handoff_path": "/catalog/crypto.base-account-status",
        "checkout_path": "/try/crypto.base-account-status",
        "sample_path": "/samples/crypto.base-account-status",
        "maximum_atomic_usdc": "3000",
        "handoff_payment_required": false,
        "executes_automatically": false,
        "authorization_required": true
      },
      {
        "service": "crypto.base-account-snapshot",
        "title": "Base account snapshot",
        "reason": "Read a one-block Base snapshot with ETH, native USDC, nonce, and contract-code evidence when the buyer needs balances as well as address validation.",
        "method": "POST",
        "path": "/v1/crypto/base-account-snapshot",
        "price": "$0.01",
        "input_template": {
          "address": "$request.address",
          "block_tag": "safe",
          "token_contracts": []
        },
        "use_output": "Use result.data.balances for the native ETH and USDC snapshot; add only explicitly chosen ERC-20 contracts in a separately authorized request.",
        "handoff_path": "/catalog/crypto.base-account-snapshot",
        "checkout_path": "/try/crypto.base-account-snapshot",
        "sample_path": "/samples/crypto.base-account-snapshot",
        "maximum_atomic_usdc": "10000",
        "handoff_payment_required": false,
        "executes_automatically": false,
        "authorization_required": true
      },
      {
        "service": "crypto.base-usdc-transfers",
        "title": "Base USDC transfer history",
        "reason": "Retrieve recent official Base USDC inflows and outflows for the validated address across a bounded block range.",
        "method": "POST",
        "path": "/v1/crypto/base-usdc-transfers",
        "price": "$0.005",
        "input_template": {
          "address": "$request.address",
          "lookback_blocks": 2000,
          "direction": "any",
          "limit": 25,
          "block_tag": "safe"
        },
        "use_output": "Use result.data.transfers as newest-first public event evidence; it is bounded history and does not prove identity, authorization, purpose, or current balance.",
        "handoff_path": "/catalog/crypto.base-usdc-transfers",
        "checkout_path": "/try/crypto.base-usdc-transfers",
        "sample_path": "/samples/crypto.base-usdc-transfers",
        "maximum_atomic_usdc": "5000",
        "handoff_payment_required": false,
        "executes_automatically": false,
        "authorization_required": true
      }
    ]
  }
}
Example request

Input JSON

{
  "address": "0x0000000000000000000000000000000000000000"
}
Delivery contract

One paid POST

Validate and normalize an Ethereum or EVM wallet address, distinguish valid, absent, or invalid ERC-55 checksum casing, and identify the zero address without a network request.

POST /v1/crypto/address-inspect

Inspect validation rules and output schema

Need current data?

Run this exact service.

The checkout verifies the request, selected network, USDC asset, recipient, and price before opening a wallet.

Continue · $0.002 USDC