API Documentation

Complete reference for the GSTVerify API

Authentication

GST and PAN endpoints 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>

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

Session & Captcha

GST Verification

HSN Search

Error Codes

400Bad request — invalid GSTIN format or captcha

401Unauthorized — missing or invalid API key

402Payment required — insufficient credits

429Too many requests — daily limit reached

502Bad gateway — GST portal temporarily unavailable