Identity
Get 1A data API
Retrieve GSTR-1A B2B invoice details for a GSTIN and return period, for GST reconciliation workflows.
Overview
What the Get 1A data API does
Get 1A data returns the B2B invoice details filed under GSTR-1A for a given GSTIN and return period.
GSTR-1A captures amendments to outward supplies. Pulling it into reconciliation catches corrections a supplier made after their original filing, which is exactly the sort of change that otherwise causes an unexplained mismatch.
Built for
Use cases
Where teams use the Get 1A data API
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Reconciling amended supplier invoices
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Tracking corrections to outward supply filings
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Investigating mismatches in GST reconciliation
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Automating input tax credit checks
Frequently Asked Questions (FAQs)
Related APIs
- Get 2A Data Retrieve GSTR-2A B2B invoice details using GSTIN and return period, for input tax credit reconciliation.
- Get 2B Data Retrieve GSTR-2B ITC reversal document details using GSTIN and return period for accurate credit computation.
- Get 3B Data Retrieve GSTR-3B summary return details for a GSTIN and return period, showing declared liability and credit.
- Generate E-Invoice Generate a GST-compliant e-Invoice and receive the IRN, acknowledgement, signed invoice and QR code.
Start verifying with the Get 1A data API
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- One API key for every check
- Verified against official Indian records
- Built for onboarding at scale