PASAR API

🇮🇳 Masters India ~ GST verification & e-invoicing

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A licensed GST Suvidha Provider (GSP); OAuth-token APIs for GSTIN verification/search, e-invoice (IRN) generation and e-way bills.

View docs ↗ More E-invoicing & tax APIs

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# Masters India ~ GST verification & e-invoicing needs an access token ~ get yours at:
# https://docs.mastersindia.co/gst-verification-api
curl 'https://commonapi.mastersindia.co' \
  -H 'Authorization: Bearer YOUR_TOKEN'

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I'm integrating a India API into my app.

API: Masters India ~ GST verification & e-invoicing
Provider: Masters India
Auth: requires an access token (sign up: https://docs.mastersindia.co/gst-verification-api)
Pricing: freemium
Base URL: https://commonapi.mastersindia.co
Important note: A licensed GST Suvidha Provider (GSP); OAuth-token APIs for GSTIN verification/search, e-invoice (IRN) generation and e-way bills.

Source: Masters India (https://docs.mastersindia.co/gst-verification-api)
Source type: Provider API or developer docs
Endpoint type: Provider API base URL
Integration difficulty: Regulated setup
Last checked: 2026-07-05
Production caveat: Onboarding, approvals, sandbox/preprod, or compliance steps may be required before production.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

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