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How to build a GST verification workflow

Design an onboarding flow that combines GSTIN checks, retries and audit logging.

3 min readUpdated 5 Aug 2026

Step 1

Start with format validation client-side, then call the API for registry-backed checks.

Step 2

Store request IDs from response headers for support and audits.

Step 3

Use plan-based rate limits and queue bursts instead of tight loops.

Step 4

Surface clear UX when a GSTIN is inactive or not found.

Key takeaways

  • Start with format validation client-side, then call the API for registry-backed checks.
  • Store request IDs from response headers for support and audits.
  • Use plan-based rate limits and queue bursts instead of tight loops.
  • Surface clear UX when a GSTIN is inactive or not found.

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