Headers
E-Invoice access token
Specifies the source to access, either primary (NIC 1) or secondary (NIC 2)
primary, secondary "primary"
Enables criss-cross operations by routing requests through the specified source (e.g., access primary via secondary if primary is unavailable)
primary, secondary "secondary"
API version
API key for identification
Path Parameters
Invoice Reference Number
Body
Invoice Reference Number
Distance between source and destination PIN codes. Pass 0 to auto calculate
Transporter number/GSTIN
Mode of transport. Possible values: 1 - Road, 2 - Rail, 3 - Air, 4 - Ship
Transporter name
Transport Document Date
Transport Document Number
Vehicle Number
Vehicle type. Possible values: O - ODC, R - Regular
Response
4002 EWB already generated / 2302 Status of IRN is not active / 200 EWB generated (road) / 4009 EWB cannot be generated for Services / 200 Distance auto-calculated / 5002 Invalid distance / 4038 Distance too high / 4012 Transport document number missing / 4039 Vehicle cannot be regular in ship mode / 4020 Invalid vehicle type / 200 EWB generated (ship)