Proceed to file GSTR

GSTR-1 is a sales return that is required to be filed by every GST-registered person or entity. Sandbox API for freezing the GSTR1 invoices data of authenticated taxpayers just before filing.

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  • This is the second step in filing GSTR-1
  • Begin the process of filing for taxpayer (gstin) for a particular return period ret_period.


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If your return has changed use the Reset GSTR-1 API


HTTP MethodResource

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Request Body

gstinstring15-character alpha-numeric unique identifier assigned to business entities registering under the GST regime22AAAAA0000A1Z5
ret_periodstringReturn Period: MMYYYY052018

Query Parameter

is_nilstringFor proceeding to file nil report Possible value : Y or NY

CURL would look something like this

curl --request POST \
         --url '' \
     --header 'Authorization: xxxxxxxxxx' \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --header 'x-api-key: xxxxxxxxxx' \
     --header 'x-api-version: 1.0' \
     --data '
     "gstin": "08AUGGC1893FDD5",
     "ret_period": "052018"


Test Environment Not Available


reference_idstringReference idLAPN24235325555
isSyncstringSynchronous PTF flagY


You can always reset the data by using the Reset GSTR-1 API.

Response Caching

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

Wallet Charges

Since Proceed to file GSTR is a Paid API, a wallet charge of INR 0.25 + GST per API call will be applicable.


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

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