Marketplace · API · x402

payguard.agentgate.workers.dev/v1/address

Crypto sanctions screening API (OFAC). Sanctions screen for one crypto address, for agents and apps that send payments: exact match against all 1058 digital currency addresses in the official US Treasury OFAC SDN list (EVM case-insensitive). Returns sanctioned true/false, matching SDN entity, programs and list date, a chain guess and checksum validity, plus the list date. Informational, not legal advice.

Endpoint	`https://payguard.agentgate.workers.dev/v1/address`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F
method	GET
last updated	2026-11-13T18:14:45.241Z

Use it

Call it (an x402 client pays automatically)

curl -i https://payguard.agentgate.workers.dev/v1/address
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-e564ce3a154fdceb

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}