GSTNexa
SYSTEM INITIALIZING • 2026
THE NEXT GST LAYER
GST is about to get
a whole lot smarter.
We're building a new generation of GST APIs designed for developers, platforms and businesses that don't want complexity standing in their way.
Built for what comes next
01
Sub-100ms APIs
Instant GSTIN validation, live filing status checks, and high-concurrency rate limit handling.
02
GSTR-2B Sync
Automated reconciliation engine to detect missing input tax credits across supplier invoices.
03
Multi-Client CRM
Unified CA & enterprise workspace for managing client portfolios, OTP auth, and compliance timelines.
04
e-Invoice & e-Way
Direct payload generation, QR code formatting, and IRN cancellation pipelines.
$ curl -X POST https://api.gstnexa.com/v1/gstin/verify \
-H "Authorization: Bearer nexa_live_key" \
-d '{"gstin": "24AAAAA0000A1Z5", "filing_status": true}'
# Response (200 OK — 48ms):
{
"status": "Active",
"trade_name": "DIGITAL ENTERPRISE",
"taxpayer_type": "Regular",
"einvoice_enabled": true
}
-H "Authorization: Bearer nexa_live_key" \
-d '{"gstin": "24AAAAA0000A1Z5", "filing_status": true}'
# Response (200 OK — 48ms):
{
"status": "Active",
"trade_name": "DIGITAL ENTERPRISE",
"taxpayer_type": "Regular",
"einvoice_enabled": true
}
RESTful Endpoints
Auto GSTR-2B ITC Match
IRN & e-Way Bill
Sub-Account Routing