{"version":1,"url":"https://api.limitguard.ai","name":"Limitguard","description":"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. 22 priced endpoints for AI agents. Pay per call with USDC on Base or Solana. No signup required.","resources":["https://api.limitguard.ai/v1/entity/check","https://api.limitguard.ai/v1/risk/score","https://api.limitguard.ai/v1/reputation/score","https://api.limitguard.ai/v1/wallet/balance","https://api.limitguard.ai/v1/compliance/alerts","https://api.limitguard.ai/v1/sanctions/screen","https://api.limitguard.ai/v1/kyb/check","https://api.limitguard.ai/v1/entity/deep-check","https://api.limitguard.ai/v1/reports/entity","https://api.limitguard.ai/v1/agent/check","https://api.limitguard.ai/v1/leads/verify","https://api.limitguard.ai/v1/entity/light-check","https://api.limitguard.ai/v1/seller/preflight","https://api.limitguard.ai/v1/mcp/check-entity","https://api.limitguard.ai/v1/mcp/verify-wallet","https://api.limitguard.ai/v1/mcp/risk-score","https://api.limitguard.ai/v1/keys/upgrade/indie","https://api.limitguard.ai/v1/keys/upgrade/starter","https://api.limitguard.ai/v1/keys/upgrade/growth","https://api.limitguard.ai/v1/keys/upgrade/pro","https://api.limitguard.ai/v1/compliance/readiness/{id}","https://api.limitguard.ai/v1/reputation/history/{id}"],"tags":["lead-verification","compliance","kyb","entity-verification","risk-scoring","sanctions-screening","ai-agents","mcp"],"instructions":"# Limitguard API\n\nLimitguard 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.\n\nFree sandbox key, no wallet: POST /v1/keys/create {\"email\": \"you@example.com\", \"tier\": \"sandbox\"} -> lg_sandbox_ key, mock data, no charge. The sandbox covers entity, risk and KYB checks; Lead Verify and the agent check need a live key or an x402 payment.\nPaid 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.\n\n22 endpoints. Base + Solana dual-chain USDC payment. No signup.\n\n## What You Get\n- Lead Verify: is a Dutch or Belgian lead a real, active company? Company register, VAT, mail server, IBAN and sanctions in one call\n- Agent check: sanctions, Base balance and ERC-8004 identity for an agent's EVM wallet\n- Light check: is a company on the NL or BE register and active, with VAT and a sanctions-list screen\n- Seller preflight: screen an x402 seller's wallet and domain before you pay it\n- Entity trust scores (0-100) across multiple verification layers\n- KYB verification with EU sanctions screening\n- EU AI Act compliance readiness assessment\n- MCP-native tools for direct LLM agent integration\n- Reputation tracking with linear trust decay\n\n## Pricing (USDC per call, paid by x402)\n| Endpoint | Fresh | Cached | Enhanced | Account price (API key) |\n|----------|-------|--------|----------|-------------------------|\n| /v1/leads/verify | $0.10 | n/a | n/a | $0.27 |\n| /v1/agent/check | $0.005 | n/a | n/a | $0.75 |\n| /v1/entity/light-check | $0.05 | n/a | n/a | $0.11 |\n| /v1/seller/preflight | $0.005 | n/a | n/a | $0.11 |\n| /v1/entity/check | $0.29 | $0.11 | n/a | $1.05 fresh, $0.11 cached |\n| /v1/risk/score | $0.25 | $0.11 | n/a | $0.90 fresh, $0.11 cached |\n| /v1/reputation/score | $0.90 | $0.11 | n/a | $0.90 fresh, $0.11 cached |\n| /v1/kyb/check | $0.29 | $0.25 | n/a | $1.50 fresh, $0.25 cached |\n| /v1/entity/deep-check | $0.88 | n/a | $1.71 | $0.88 fresh, $1.71 enhanced |\n| /v1/compliance/readiness/{id} | $0.11 | n/a | n/a | $0.11 |\n| /v1/reputation/history/{id} | $0.11 | n/a | n/a | $0.11 |\n| /v1/mcp/* tools | $0-$0.29 (trust-score is free) | n/a | n/a | $0-$1.05 |\n\nCached tier: send `X-Response-Quality: cached`. The 402 quote probes the cache first and is priced at the fresh tier when nothing is cached (`cachedTierAvailable: false` in the quote). A cached miss on a paid call returns 404 `not_cached` and is not charged; retry with `X-Response-Quality: fresh` for a full check. Endpoints marked n/a have no cached tier and always charge the price shown.\nThe Fresh, Cached and Enhanced columns are the x402 agent prices. API-key holders, the dashboard and the Claude connector pay the account price in the last column, from a prepaid balance (https://limitguard.ai/pricing/?utm_source=api&utm_medium=agent&utm_campaign=pricing&utm_content=x402scan); top up via x402 at POST /v1/keys/topup/{usd} (minimum $5) or a /v1/keys/upgrade/{tier} path.\n\n## Quick Start\nSend a request to any endpoint. The 402 response contains payment details. Pay with USDC on Base or Solana, then resend with payment proof.\n\nQuickstart: https://api.limitguard.ai/v1/quickstart | Website: https://limitguard.ai/?utm_source=api&utm_medium=agent&utm_campaign=home&utm_content=x402scan | Status: https://status.limitguard.ai | Security: https://limitguard.ai/security?utm_source=api&utm_medium=agent&utm_campaign=legal&utm_content=x402scan"}