GSTR-1 is a sales return that is required to be filed by every GST-registered person or entity. Sandbox API for getting all amended Credit/Debit notes for a return period of the unregistered taxpayer.


  • Get all amended credit/debit notes for a return period for the unregistered user (gstin) for a particular year and month.


HTTP MethodResourceDescription
Get/gsp/tax-payer/{gstin}/gstrs/gstr-1/cdnura/{year}/{month}Takes in gstin, year and month and returns all amended credit or debit notes.

API Endpoint  Contact Us  Free Trial

Path Parameters

gstinstring15-character alpha-numeric unique identifier assigned to business entities registering under the GST regime22AAAAA0000A1Z5
yearstringYear for which Advance Tax needs to be fetched.2020
monthstringMonth for which Advance Tax needs to be fetched.01

Once the values are added, Your curl will look something like this

curl --request GET \
     --url \
     --header 'Authorization: xxxxxxxxxx' \
     --header 'accept: application/json' \
     --header 'x-api-key: xxxxxxxxxx' \
     --header 'x-api-version: 1.0'


Test Environment Not Available


The response includes the following all amended Credit/Debit notes details below

  • cdnura entity
flagstringInvoice StatusN
chksumstringInvoice Check sum valueASDFGJKLPTBBJKBJKBBJKBB
ont_numstringOriginal Credit note/debit note / Refund Voucher Number533515
ont_dtstringOriginal Credit Note/Debit Note23-09-2016
nt_numstringCredit note/debit note533515
nt_dtstringCredit Note/Debit Note23-09-2016
nttystringCredit/debit note type/ Refund VoucherC
rsnstringNot Mentioned
p_gststringPre GST Regime Dr./ Cr. NotesN
inumstringOriginal invoice number915914
valnumTotal Note Value123123
idtstringInvoice date23-09-2016
d_flagstringdelink flagY
posstringPlace of supply04
diff_percentnumDifferential percentage0.65
  • itms entity
numnumSerial no1
txvalnumTaxable value of Goods or Service as per invoice522.5
iamtnumIGST Amount as per invoice845.22
csamtnumcess Amount as per invoice789.52

Response Caching

Response caching is not available for this API. Learn more about our response caching mechanism here

Wallet Charges

Since GSTR-1 CDNUR is not a Paid API, no wallet charge will take place.


This API is currently in major version 1.0. Refer to our versioning policies here