Crypto Address Check API

Integrate AML/KYT checks into your product in minutes. REST API with JSON responses, supporting Bitcoin, Ethereum, and TRON.

cURL

curl -X POST https://api.kytcheck.ru/v1/check \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"address": "bc1q...", "chain": "btc"}'

API Features

REST API

Standard REST API with clear documentation and code examples

JSON Responses

Structured JSON responses with risk scores, entities, and metadata

Multi-Chain

Single endpoint for checking Bitcoin, Ethereum, and TRON addresses

Rate Limiting

Flexible request limits based on your subscription plan

Sandbox

beta

Test environment for integration without using check credits

Response

JSON

{
  "risk_score": 72,
  "risk_level": "high",
  "address": "bc1q...",
  "chain": "btc",
  "entities": [
    {
      "type": "exchange",
      "name": "Binance",
      "category": "legal"
    }
  ],
  "checks": {
    "ofac": false,
    "mixer": false,
    "darknet": true
  }
}

Get API Key Documentation