Api Endpoint

api.strale.io

Check when a wallet was first active on Ethereum, Base, Arbitrum, Optimism or Polygon: the earliest transfer to or from it, and its age in days. A new wallet moving large amounts is a red flag.

Open interactive test console

Offering

Provider
api.strale.io
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.strale.io/x402/v2/wallet-age-check
MIME type
application/json
First seen
2026-10-16T01:58:48.885Z
Last seen
Tags
web3

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.0216 USDC
Atomic price: 21600 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "21600",
    "payTo": "0x66D7C2F952362BFB24FD7F02a9beC9c754ea83bC"
  }
]

Observed health

Status
Healthy
Latest latency
49 ms
Average latency
139 ms
HTTP status
402
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "required": [
        "address"
      ],
      "properties": {
        "address": {
          "type": "string",
          "description": "Wallet address (0x...)"
        },
        "chain_id": {
          "type": "string",
          "description": "Chain ID: 1 (Ethereum), 8453 (Base), 42161 (Arbitrum One), 10 (OP Mainnet) or 137 (Polygon PoS). Default: 1"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "address": {
              "description": "Wallet address (0x...)",
              "type": "string"
            },
            "chain_id": {
              "description": "Chain ID: 1 (Ethereum), 8453 (Base), 42161 (Arbitrum One), 10 (OP Mainnet) or 137 (Polygon PoS). Default: 1",
              "type": "string"
            }
          },
          "required": [
            "address"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}