V2.0 Automated 1-Step API

API Documentation

Modern 1-step GST verification with automated in-memory CAPTCHA solving, self-healing retries, and atomic credit billing.

No Manual CAPTCHA Required

You no longer need to call a session endpoint or prompt users for CAPTCHA images. Simply make a single GET /api/v1/gst/details?gstin=... call. The backend neural engine solves the portal challenge autonomously in milliseconds.

Base URL: https://api.gstverify.dubey.app

Authentication

GST and PAN verification calls require authentication and deduct credits on success. Include your API key in the request header. Get your key from the Dashboard → API Keys.

Header (recommended)
X-API-Key: gk_your_api_key_here
Bearer JWT
Authorization: Bearer <jwt_token>

GST Verification (Recommended 1-Step API)

NEW · 1-STEP

Instant, single-call verification. Portal CAPTCHA is solved in-memory using our neural OCR engine with automatic self-healing retries.

PAN Search (1-Step API)

NEW · 1-STEP

Find all GSTIN registrations linked to a PAN in a single request with automated CAPTCHA resolution.

HSN Search & System Status

UTILITY

Search HSN codes and inspect neural CAPTCHA solver health.

Error Codes

400Bad request — invalid GSTIN format or record not found on GST portal
401Unauthorized — missing or invalid API key
402Payment required — insufficient credit balance
429Rate limit exceeded — please throttle your requests
502Bad gateway — GST portal temporarily unavailable (credits automatically refunded)

Legacy 2-Step API (Backward Compatibility Only)

DEPRECATED

Maintained exclusively for existing systems integrated with the legacy two-step CAPTCHA acquisition model. New projects should use the 1-Step API above.