About

Get all B2B "amended" invoices for a return period for the authenticated taxpayer (gstin) for the particular year and month.
You also need to provide the ctin, the counter party's GSTIN for which you need the B2B invoices.
The result can be further filtered by adding from date and action_required. The action_required filter is used for filter invoices where the taxpayer has some pending actions.

Endpoint

HTTP Method	Resource	Description
`Get`	/gsp/tax-payer/{gstin}/gstrs/gstr-1/b2ba/{year}/{month}?ctin={}ctin{}&action_required={}action_required{}&from={}from{}	Takes in `gstin`, `year` and `month` and returns amended advance tax details.

Path Parameters

Param	Type	Description	Example
gstin	`string`	15-character alpha-numeric unique identifier assigned to business entities registering under the GST regime	AAAAA0000A
year	`string`	Year for which Advance Tax needs to be fetched.	2020
month	`string`	Month for which Advance Tax needs to be fetched.	01

Query Parameters

Param	Type	Description	Example
ctin	`string`	Counter party GSTIN	AABAA0000A
action_required	`string`	Status filter for filtering the invoices. Possible values: Y or N. Status filter for filtering the invoices. Use filter value Y to fetches the invoices where taxpayer need to take action. Already accepted or uploaded invoices can be fetched by using filter value N.	Y
from	`string`	From Date (DD/MM/YYYY)	21/11/2020

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

curl --request GET \
     --url https://api.sandbox.co.in/gsp/tax-payer/AABAA0000A/gstrs/gstr-1/b2ba/2020/01?ctin=AABAA0000A&action_required=Y&from=22-06-22 \
     --header 'Accept: application/json' \
     --header 'Authorization: xxxxxxxxx' \
     --header 'x-api-key: xxxxxxxxx' \
     --header 'x-api-version: 1.0'

Response

B2B Invoices

Param	Type	Description	Example
ctin	`string`	GSTIN/UID of the Receiver taxpayer/UN, Govt Bodies	06ADECO9084R5Z4
cfs	`string`	GSTR2 filing status of counter party	`Y` (Yes) or `N` (No)
List{inv}	Invoice Details	Refer to the Table below

Invoice Details

Param	Type	Description	Example
flag	`string`	Invoice Status	`N` - No Action
updby	`string`	Uploaded by	`R` - Receiver `S` - Supplier
chksum	`string`	Invoice Check sum value	AflJufPlFStqKBZ
oinum	`string`	Original Supplier Invoice Number	S008400
oidt	`string`	Supplier Invoice Date (DD-MM-YYYY)	03-02-2016
inum	`string`	Supplier Invoice Number	S008400
idt	`string`	Supplier Invoice Date	03-02-2016
val	`num`	Supplier Invoice Value	10000.00
pos	`string`	Place of Supply (statecode)	04
rchrg	`string`	Reverse Charge	`Y`- Yes `N` - No
etin	`string`	EcomOperator	06ADECO9084R5Z5
inv_typ	`string`	Invoice type	"R- Regular B2B Invoices, DE – Deemed Exports, SEWP – SEZ Exports with payment, SEWOP – SEZ exports without payment CBW - Custom Bonded Warehouse"
cflag	`string`	Counter Party Flag	A-Accepted ,R-Rejected,N-No action ,U-Uploaded, P-Pending, DF-Deferred, FR-Forward
opd	`num`	Original Period (YYYY-MM)	2016-12
diff_percent	`num`	Differential percentage	.65 (65%)
list {itms}	Item	Refer to the table below

Items

Param	Type	Description	Example
num	`num`	Serial no	2
itm_det	Item Details	Refer to the table below

Item Details

Param	Type	Description	Example
rt	`num`	Rate of Invoice	5
txval	`num`	Taxable value of Goods or Service as per invoice	10000.00
iamt	`num`	IGST Amount as per invoice	650.00
camt	`num`	CGST Amount as per invoice	650.00
samt	`num`	SGST Amount as per invoice	650.00
csamt	`num`	Cess Amount as per invoice	650.00