Production Ready Data APIs

The Engine for Indian Business Intelligence

Verify GSTINs, search MCA registers, and validate PAN & IFSC codes in milliseconds. The most reliable API infrastructure for automating your onboarding and risk ops.

Start Building Free View Documentation

GST Verification

Real-time access to GSTN records. Validate taxpayer status, fetching exact legal names and business activities.

MCA Company Search

Instant director and master data lookup via Corporate Identification Number (CIN). Never onboard a shell company again.

Free Utilities

Offline PAN format verification, IFSC code lookups, and Pincode intelligence included at absolutely zero cost.

request.ts
const response = await fetch("https://kyb.quantumcore.work/mcp/gst/v2/taxpayer/27AAPFU0939F1ZV", {
  headers: {
    "x-api-key": "kyb_live_*******************"
  }
});

const data = await response.json();
console.log(data.legal_name); // Returns verified business legal name

Pay only for what you use.

Zero subscriptions. No commitments. Top tier data infrastructure.

Live APIs

₹2/ request

For GST and MCA Company Search lookups synced directly with government records.

  • Live GSTIN Validation
  • MCA Legal Status
  • Director Registration Info
  • 24h edge caching included

Offline Utilities

Freeforever

Access instantly verifiable offline datasets to reduce your API dependency.

  • PAN Format Check
  • IFSC Code & Bank Info
  • Pincode Directory
  • Unlimited rate limit