curl --request GET \
--url https://api.sandbox.co.in/gst/compliance/tax-payer/gstrs/gstr-1/at/{year}/{month} \
--header 'Authorization: <authorization>' \
--header 'x-api-key: <x-api-key>'{
"code": 200,
"data": {
"error": {
"error_cd": "RET11416",
"message": "No document found in selected financial year. Either this document exists in a different financial year or the document number is incorrect."
},
"status_cd": "0"
},
"timestamp": 1763446641000,
"transaction_id": "9e1608fe-372a-4064-94bc-4657473700f1"
}Get advance tax details for a return period for authenticated taxpayer
curl --request GET \
--url https://api.sandbox.co.in/gst/compliance/tax-payer/gstrs/gstr-1/at/{year}/{month} \
--header 'Authorization: <authorization>' \
--header 'x-api-key: <x-api-key>'{
"code": 200,
"data": {
"error": {
"error_cd": "RET11416",
"message": "No document found in selected financial year. Either this document exists in a different financial year or the document number is incorrect."
},
"status_cd": "0"
},
"timestamp": 1763446641000,
"transaction_id": "9e1608fe-372a-4064-94bc-4657473700f1"
}Taxpayer access token
API version
API key for identification
Month e.g. 01
"{{month}}"
Year e.g. 2020
"{{year}}"
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