The easiest Korean Business Verification API
Verify Korean business registration numbers in milliseconds.
Built for developers, trusted by fintech startups.73% cheaper than alternatives
<50ms
Response time
6
Languages
$0.20
Per lookup
Built for Developers
Everything you need to verify Korean businesses
The fastest, most affordable Korean KYB API. Loved by developers at fintech startups and global SaaS companies.
- Stripe-like Developer Experience
- Clean API design, clear documentation, and 3-minute integration. Built by developers, for developers.
- 6 Languages Supported
- English, Korean, Japanese, Chinese, Spanish, and German. One API, multiple languages.
- Lightning Fast
- Sub-50ms response time powered by Cloudflare Workers. Global edge network for low latency.
- 73% More Affordable
- $0.20 per lookup vs $0.75+ from competitors. Enterprise-grade quality at startup-friendly pricing.
- Official Data Sources
- Connected to National Tax Service and Public Data Portal. Real-time, accurate, and always up-to-date.
- Enterprise Ready
- HTTPS-only, audit logs, webhook support, and comprehensive API key management. Built for scale.
3-Minute Integration
Simple, powerful API
One API call. Instant verification. Works in any language or framework.
curl -X POST https://api.kynode.dev/v1/verify/business \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"business_number": "123-45-67890",
"language": "en"
}'1
API call to verify
3
Minutes to integrate
0
Maintenance required
Pricing
Simple, transparent pricing
Pay only for what you use. No hidden fees, no monthly minimums.
Business Verification
Most popular
$0.20per lookup
- Real-time verification
- 6 languages included
- Sub-50ms response time
- 99.9% uptime SLA
- API key management
- Email support
Compare to alternatives: theKYB.com $0.75+ · AsiaVerify $1.00+
Save 73% with Kynode
Volume discounts available
100K+ lookups/month? Contact us for enterprise pricing.
Start verifying Korean businesses today
Get your API key in 60 seconds. No credit card required for testing.