CryptoLabel

Connect CryptoLabel to an agent through MCP to search API documentation and check addresses with the live endpoint when needed.

Settings -> Connectors -> Add custom connector Name: CryptoLabel URL: https://cryptolabel.io/api/mcp

The interactive OpenAPI reference is available athttps://cryptolabel.io/api/v1/openapi.
The raw OpenAPI 3.1 schema is available athttps://cryptolabel.io/api/v1/openapi.json.

Resolves an address, detects its type and model, maps it to a presentation entity, and returns all known labels.

curl --request GET \ --url https://cryptolabel.io/api/v1/address/ethereum/0x22af984f13DFB5C80145E3F9eE1050Ae5a5FB651 \ --header 'Accept: application/json' \ --header 'User-Agent: YourAppName/1.0 (contact@example.com)'

If possible, please include a meaningfulUser-Agentheader with your application name and a contact email. This helps us reach you about API updates, technical maintenance, or request-specific issues when needed.

On success the API returns a JSON object with query metadata, normalized address details, entity information, and zero or more labels.

{ "query": { "chain": "ethereum", "readableChain": "Ethereum", "address": "0x22af984f13DFB5C80145E3F9eE1050Ae5a5FB651" }, "address": { "value": "0x22af984f13DFB5C80145E3F9eE1050Ae5a5FB651", "type": "eoa", "readableType": "Externally Owned Account", "model": "account_based", "readableModel": "Account-based model", "explorerUrl": "https://www.blockchain.com/explorer/addresses/eth/0x22af984f13DFB5C80145E3F9eE1050Ae5a5FB651" }, "entity": { "name": "Kraken", "category": "exchange", "readableCategory": "Exchange" }, "labels": [ { "type": "exchange_cold_wallet", "readableType": "Exchange Cold Wallet", "category": "cex", "readableCategory": "Centralized Exchange", "sourceType": "public", "readableSourceType": "Public", "method": "aggregation", "readableMethod": "Aggregation", "status": "active", "readableStatus": "Active" } ] }

Client-facing API errors use a stable public format. Internal exception types are not exposed.

{ "code": "bad_request", "message": "Invalid address for chain: ethereum", "path": "/api/v1/address/ethereum/0x123", "timestamp": "2026-03-23T12:34:56.789Z" }

- bitcoin— Bitcoin
- ethereum— Ethereum
- tron— Tron

- contract— Contract Account
- eoa— Externally Owned Account
- unknown— Unknown

- bridge— Bridge
- custodian— Custodian
- dao— DAO
- defi_protocol— DeFi Protocol
- dex_aggregator— DEX Aggregator
- exchange— Exchange
- gambling_service— Gambling Service
- government— Government
- individual_address— Individual Address
- illicit_activity— Illicit Activity
- marketplace— Marketplace
- mining_pool— Mining Pool
- mixer— Mixer
- payment_service— Payment Service
- public_figure— Public Figure
- service_provider— Service Provider
- token_issuer— Token Issuer
- wallet_provider— Wallet Provider
- unknown— Unknown

- account_based— Account-based model
- utxo— UTXO model

- internal— Internal
- manual_review— Manual Review
- partner— Partner
- public— Public

- aggregation— Aggregation
- heuristic— Heuristic
- import— Import
- manual— Manual
- onchain_analysis— On-chain Analysis

- active— Active
- historical— Historical
- inactive— Inactive

- bridge_address— Bridge Address
- burn_address— Burn Address
- compliance_related— Compliance Related
- cross_chain_activity— Cross-chain Activity
- custodial_wallet— Custodial Wallet
- defi_pool— DeFi Pool
- defi_treasury— DeFi Treasury
- deployer— Deployer
- dex_contract— DEX Contract
- darknet_market— Darknet Market
- exchange_cold_wallet— Exchange Cold Wallet
- exchange_deposit_wallet— Exchange Deposit Wallet
- exchange_hot_wallet— Exchange Hot Wallet
- exchange_withdrawal_wallet— Exchange Withdrawal Wallet
- forwarder_contract— Forwarder Contract
- fraud_related— Fraud Related
- gambling_address— Gambling Address
- high_frequency— High Frequency
- high_volume— High Volume
- institutional_flow— Institutional Flow
- market_maker_related— Market Maker Related
- marketplace_address— Marketplace Address
- money_laundering— Money Laundering
- mining_pool_payout— Mining Pool Payout
- mixer_address— Mixer Address
- blackmail— Blackmail
- payment_processor— Payment Processor
- phishing— Phishing
- proxy_contract— Proxy Contract
- public_figure_related— Public Figure Related
- risky_service— Risky Service
- sanctioned— Sanctioned
- scam— Scam
- service_wallet— Service Wallet
- staking_wallet— Staking Wallet
- stolen_funds— Stolen Funds
- terrorism_related— Terrorism Related
- treasury_wallet— Treasury Wallet
- unknown— Unknown
- validator— Validator
- wrapper_contract— Wrapper Contract

- behavior— Behavior
- bridge— Bridge
- cex— Centralized Exchange
- compliance— Compliance
- crime— Crime
- custody— Custody
- defi— DeFi
- flow— Flow
- fraud— Fraud
- gambling— Gambling
- identity— Identity
- infrastructure— Infrastructure
- marketplace— Marketplace
- mining— Mining
- mixer— Mixer
- payment— Payment
- risk— Risk
- sanctions— Sanctions
- service— Service
- trading— Trading
- treasury— Treasury
- unknown— Unknown
- wallet— Wallet

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