Address Labels API
Label intelligence
Resolve entity labels and categories for exchanges, protocols, contracts, and known wallets.
GET /label/{chain}/{address}/label/eth/0x463452c356322d463b84891ebda33daed274cb400.10 USDCResponse format
x402 payments for AI agent workflows
Blockchain address compliance and risk screening
Query BlockSec address labels and Phalcon Compliance risk screening through simple paid API endpoints. Each request is priced in USDC through the x402 protocol.
Starting at
$0.10
Payment rail
USDC Base
Access model
Per request
Supported chains
EthereumTronBSCBasePolygonArbitrumOptimism
Try an endpoint
Select a service, chain, and address.
API catalog
Endpoints return JSON after a valid x402 payment.
Light Risk Screening
Fast score
Return a fast risk score for address triage, routing, and lightweight pre-checks.
GET /screen/light/{chain}/{address}/screen/light/tron/TYXqLb9ZyAeJeTFkt3Tx7kNyc3HufjvnMs0.20 USDCResponse format
Deep Risk Screening
Phalcon Compliance signup required
Return a full KYA report with deeper exposure analysis and compliance context.
GET /screen/deep/{chain}/{address}/screen/deep/tron/TYXqLb9ZyAeJeTFkt3Tx7kNyc3HufjvnMs1.00 USDCResponse format