This API is used to get details of GSTIN.
#URL
GET https://app.octagst.com/api/gst/getgstin?gstin={value}
#Query Parameters
| Name | Description | Type |
|---|
gstin | GSTIN whose details to be fetched | Mandatory |
#Response Structure
| Parameter | Type | Description |
|---|
| Success | Boolean | true in case of success, false if failure |
| Result | GstinInfo | Contains information of GSTIN – in case of success |
| Errors | ErrorInfo[] | Contains information of errors – in case of failure |
| Suggestions | GstinSuggestion[] | Contains suggestions - in case of failure |
GstinInfo:
| Parameter | Type | Description |
|---|
| Gstin | String | Taxpayer GSTIN |
| Pan | String | Taxpayer PAN |
| LegalName | String | Legal Name of Business |
| TradeName | String | Trade Name |
| RegistrationDate | String | Date of registration YYYY-MM-DD |
| BizEntityType | String | Business entity type |
| TaxPayerType | String | Tax Payer Type – Refer GSTIN Registration Types |
| TaxPayerStatus | String | Tax Payer Status – Refer GSTIN Status |
| CancellationDate | String | Cancellation date YYYY-MM-DD |
| StateJurisdictionCode | String | State jurisdiction Code |
| StateJurisdiction | String | State jurisdiction details |
| CenterJurisdictionCode | String | Center Jurisdiction Code |
| CenterJurisdiction | String | Center jurisdiction details |
| BusinessActivities | String[] | List of business activities |
| EinvoiceStatus | String | Status of e-invoice enablement |
| LastUpdateDate | String | Last update date of GSTIN record YYYY-MM-DD |
| PrincipalAddr | Addr | This object contains the primary address of business entity |
| AdditionalAddr | Addr[] | List of additional addresses |
#Addr
| Parameter | Type | Description |
|---|
| DoorNo | String | Door number |
| FloorNo | String | Floor No |
| BuildingName | String | Building name |
| Street | String | Street name |
| Landmark | String | Landmark |
| Locality | String | Area Locality |
| Location | String | Location |
| City | String | City name |
| District | String | District name |
| StateName | String | State name |
| StateCode | String | State code |
| PinCode | String | Pin Code |
| GeoCodeLevel | String | Level of geo coding of address |
| Longitude | String | Longitude |
| Lattitude | String | Lattitude |
| BusinessActivities | String | Nature of business activities on this address |
#ErrorInfo
| Parameter | Type | Description |
|---|
| Code | String | Error code |
| Message | String | Error message |
#GstinSuggestion
| Parameter | Type | Description |
|---|
| Gstin | String | Taxpayer GSTIN |
| LegalName | String | Legal Name of Business |
| TradeName | String | Trade Name |
| StateName | String | State Name |
| StateCode | String | State Code |
#GSTIN Registration Types
- Regular
- Composition
- SEZ Developer
- SEZ Unit
- Tax Collector (Electronic Commerce Operator)
- Tax Deductor
- Input Service Distributor (ISD)
- Casual Taxable Person
- Consulate or Embassy of Foreign Country
- United Nation Body
- Non Resident Online Services Provider
- Non Resident Taxable Person
- Other Notified Person
- Other Notified Persons
- Temporary
#GSTIN Status
- Active
- Active pending Verification
- Suspended
- Cancelled
- Inactive
- Provisional
#Success Response
Response payload will contains the success status along with GSTIN information.
{
"Success": true,
"Gstin": "19AAACN0757G1ZI",
"Pan": "AAACN0757G",
"TradeName": "NESTLE INDIA LTD",
"LegalName": "NESTLE INDIA LIMITED",
"RegistrationDate": "2017-07-01",
"BizEntityType": "Public Limited Company",
"TaxPayerType": "Regular",
"TaxPayerStatus": "Active",
"StateJurisdictionCode": "WB065",
"StateJurisdiction": "LARGE TAXPAYER UNIT",
"CenterJurisdictionCode": "WA1006",
"CenterJurisdiction": "RANGE-VI",
"BusinessActivities": ["Warehouse / Depot", "Office / Sale Office"],
"EinvoiceStatus": "Yes",
"LastUpdateDate": "2025-12-08",
"PrincipalAddr": {
"DoorNo": "Tower-A, Block-AF",
"FloorNo": "9th Floor",
"BuildingName": "RDB Primarc Techno Park LLP",
"Street": "8, Major Arterial Road",
"Location": "New Town",
"District": "North Twenty Four Parganas",
"StateName": "West Bengal",
"StateCode": "19",
"PinCode": "700163",
"GeoCodeLevel": "Building",
"Longitude": "88.448403775692",
"Lattitude": "22.583213533074986"
},
"AdditionalAddr": [
{
"DoorNo": "Khatian No. 371 Daag No. 338 -551 New- J.L.No.- 057",
"FloorNo": "Marda Marketing Services",
"BuildingName": "Premises at- Maa Ambe Infrastructure Pvt. Ltd.",
"Street": "Mouza Nemai Khaprail Road",
"Location": "Matigara",
"District": "Darjeeling",
"StateName": "West Bengal",
"StateCode": "19",
"PinCode": "734010",
"GeoCodeLevel": "NA",
"BusinessActivities": "Warehouse / Depot"
},
{
"DoorNo": "Daag Nos. 3097, 3098, 3099 & 3100",
"FloorNo": "A/C. ProConnect Supply Chain Solutions Ltd.",
"BuildingName": "Shivshambho Construction P Ltd &Sanatanaya Warehousing P Ltd",
"Street": "Mouza Belumilki Jl no 7, PS - Serampore",
"Location": "Belumilki",
"District": "Hooghly",
"StateName": "West Bengal",
"StateCode": "19",
"PinCode": "712223",
"GeoCodeLevel": "pincode",
"Longitude": "88.289052",
"Lattitude": "22.788999",
"BusinessActivities": "Office / Sale Office, Warehouse / Depot"
},
{
"DoorNo": "L.R Plot No.168, L.R Khatian No.2075",
"BuildingName": "Premises at- Maa Ambe Infrastructure Pvt. Ltd.",
"Street": "Mouza Nemai, J.L No.57",
"Locality": "Matigara",
"Location": "Siliguri",
"District": "Darjeeling",
"StateName": "West Bengal",
"StateCode": "19",
"PinCode": "734010",
"GeoCodeLevel": "pincode",
"Longitude": "88.3856960000001",
"Lattitude": "26.71995",
"BusinessActivities": "Warehouse / Depot"
}
]
}
#Failure Response
If API request fails for some reason, response payload will contain:
- The failure status (
Success will be false)
- List of errors
- Suggestions (Similar GSTINs)
{
"Success": false,
"Errors": [
{
"Code": "OCTA-152",
"Message": "Invalid GSTIN"
}
],
"Suggestions": [
{
"Gstin": "19AAACN0757G1ZI",
"TradeName": "NESTLE INDIA LTD",
"LegalName": "NESTLE INDIA LIMITED",
"StateName": "West Bengal",
"StateCode": "19"
},
{
"Gstin": "02AAACN0757G1ZX",
"TradeName": "NESTLE INDIA LIMITED",
"LegalName": "NESTLE INDIA LIMITED",
"StateName": "Himachal Pradesh",
"StateCode": "02"
},
{
"Gstin": "16AAACN0757G1ZO",
"TradeName": "Nestle India Ltd.",
"LegalName": "NESTLE INDIA LIMITED",
"StateName": "Tripura",
"StateCode": "16"
},
{
"Gstin": "13AAACN0757G1ZU",
"TradeName": "M/S NESTLE INDIA LTD.",
"LegalName": "NESTLE INDIA LIMITED",
"StateName": "Nagaland",
"StateCode": "13"
},
{
"Gstin": "14AAACN0757G1ZS",
"TradeName": "M/S Nestle India Ltd",
"LegalName": "NESTLE INDIA LIMITED",
"StateName": "Manipur",
"StateCode": "14"
}
]
}