# Limitguard

> Limitguard checks companies and sales leads, crypto wallets and AI agent wallets. Limitguard is a lead validation service for lead generation agencies, B2B marketing and sales teams: it checks the company behind each lead against official business registers (full coverage in the Netherlands and Belgium), EU VAT and sanctions lists, with website age in the company check, and returns proceed, review or block with the source on every line. Developers and AI agents can use its HTTP API, MCP server and A2A service, hosted in the EU. Free sandbox key, no wallet. The sandbox covers entity, risk and KYB checks; Lead Verify and the agent check need a live key or an x402 payment. Paid by x402: Lead Verify $0.10 per lead and agent check $0.005 per wallet; entity check and KYB $0.29 and risk score $0.25 fresh, $0.11 cached ($0.25 KYB) when available; report $0.55; sanctions and wallet screens $0.005; other routes at the account price. API keys, the dashboard and the Claude connector pay the account prices: Lead Verify $0.27 per lead and agent check $0.75 per wallet; $0.11-1.85 per call; entity and risk checks $0.88-1.05 fresh ($1.50 KYB), $0.11 cached ($0.25 KYB) when available. Lead verification for NL and BE leads, plus entity, KYB and agent wallet checks for developers and AI agents.

- **Domain**: `api.limitguard.ai`
- **Provider**: Limitguard (https://limitguard.ai)
- **A2A protocol version**: 1.0
- **Kind**: paid_api
- **Category**: verification
- **Live-responds (last probe)**: True
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 100%
- **Payment protocol**: x402 · network `eip155:8453`

## Skills
- **lead_verify** — Lead verify for one NL or BE sales lead: is it a real, active company? Checks the KVK or KBO register and cross-checks what the lead holds: VAT with VIES, mail 
- **agent_check** — Agent wallet check in one call: screens an EVM wallet against the OFAC SDN digital-currency address list, reads its Base USDC and ETH balance, looks up its ERC-
- **light_check** — Light company check for an agent: is the company on the NL (KVK) or BE (KBO) register and active, is its EU VAT number valid (VIES), and does its name match the
- **seller_preflight** — Preflight before an agent pays an x402 seller: screens the payTo wallet against the OFAC SDN address list, reads who registered the resource domain and when (RD
- **entity_check** — Company check: sanctions and country risk on every call; the KVK or KBO register, VAT, domain and IBAN checks depending on the identifiers supplied. Returns a 0
- **risk_score** — Quick risk score assessment. Faster than full entity check.
- **kyb_check** — Know Your Business verification with sanctions check and company registration.
- **verify_wallet** — Screen a wallet: OFAC SDN address match, on-chain signals (contract check, native and USDC balance, transaction count, first seen on Base) and named risk rules 
- **wallet_sanctions** — Free yes/no check of a wallet address against the OFAC SDN digital-currency address list, held locally and refreshed daily: sanctioned, lists, the list date and

## URLs
- Agent card: https://api.limitguard.ai/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/api.limitguard.ai
- Documentation: https://docs.limitguard.ai/api-reference/leads/lead-verify