api.limitguard.ai

# LimitGuard Trust Intelligence API > Entity verification and risk scoring for EU businesses via x402 USDC micropayments. > Base URL: https://api.limitguard.ai > Version: 1.0.0 ## Authentication Two modes: - API Key: `X-API-Key: lg_live_...` header (subscription, bypasses x402) - x402 V2: `X-PAYMENT: <base64-json>` header (pay-per-use USDC) Sandbox: `lg_test_` key prefix (dev/staging only) OR `lg_sandbox_` Redis-backed key → mock data, 10 req/min ## Quality Tiers `X-Response-Quality: cached|fresh|enhanced` (default: fresh) ## Core Endpoints (Paid) POST /v1/entity/check Full entity trust check (7 sources). At least one identifier required. Price: $0.10 cached / $0.85 fresh / $1.50 enhanced Body: entity_name (str), country (ISO-3166), kvk_number?, cbe_number?, domain?, iban?, vat_number? Returns: trust_score (0-100), trust_level, cluster, recommendation, confidence, top_factors, sources_checked POST /v1/risk/score Quick risk assessment (2 sources: country risk + sanctions). Price: $0.10 cached / $0.65 fresh / $1.00 enhanced Body: entity_name (str), country (ISO-3166) Returns: risk_score (0-100), risk_level, recommendation, top_factors POST /v1/kyb/check Know Your Business verification. Price: $0.25 cached / $1.50 fresh / $3.00 enhanced Body: entity_id, registration_number, country, entity_name?, vat_number?, domain? Returns: verified, sanctions_flagged, kyb_status, trust_score, risk_flags POST /v1/reputation/score Trust decay scoring. Price: $0.10 cached / $0.65 fresh / $1.00 enhanced Body: entity_name, trust_score (0-100), cluster, last_verified_at (unix), verification_count GET /v1/reputation/history/{entity_hash} 12-week reputation trend. Price: $0.10 GET /v1/wallet/balance?agent_id=... ERC-8004 agent USDC balance. Price: $0.10 GET /v1/compliance/alerts Regulatory alerts. Price: $0.10. Query: jurisdiction, severity, limit, offset GET /v1/compliance/readiness/{entity_id} EU AI Act readiness score. Price: $0.10.