Skip to main content
POST
/
api
/
onboarding
/
nigeria_kyc
/
tin
Tax Identification Number (TIN)
curl --request POST \
  --url https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/ \
  --header 'Content-Type: application/json' \
  --header 'x-access-token: <api-key>' \
  --data '
{
  "tin": "12345678-0001"
}
'
{
  "status": "failed",
  "data": [
    "<unknown>"
  ],
  "message": "<string>"
}

Documentation Index

Fetch the complete documentation index at: https://docs.smartcomply.com/llms.txt

Use this file to discover all available pages before exploring further.

The TIN endpoint validates a Tax Identification Number against the FIRS (Federal Inland Revenue Service) database and returns the associated taxpayer name, CAC registration number, tax office, and contact details.

​
Endpoint

POST /api/onboarding/nigeria_kyc/tin/

​
Request

​
Headers

HeaderValueRequired
x-access-tokenYour API secret keyYes
Content-Typeapplication/jsonYes

​
Body Parameters

ParameterTypeRequiredDescription
tax_identification_numberstringYesThe customer’s TIN (format: N-XXXXXXXX)

​
Example

curl -X POST "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/" \
  -H "x-access-token: YOUR_SECRET_KEY" \
  -H "Content-Type: application/json" \
  -d '{"tax_identification_number": "N-01234567"}'

​
Response

​
200 OK

FieldTypeDescription
data.taxpayer_namestringRegistered taxpayer name
data.cac_reg_numberstringCAC registration number (if applicable)
data.firstinstringFirst TIN issued
data.jittinstringJoint income TIN (if applicable)
data.tax_officestringAssigned tax office
data.phone_numberstringRegistered phone number
data.emailstringRegistered email (if available)
data.searchstringThe search term used
{
  "status": "success",
  "data": {
    "search": "07012345678",
    "taxpayer_name": "FISAYOMI KAYODE NIG LTD",
    "cac_reg_number": "RC012345",
    "firstin": "12345678-0001",
    "jittin": "N/A",
    "tax_office": "MSTO ALIMOSHO",
    "phone_number": "08109110099",
    "email": ""
  },
  "message": "Tax Identification Number details retrieved successfully"
}

​
400 Bad Request

{
  "status": "failed",
  "data": [],
  "message": "Sorry, your check cannot be processed at the moment. Please try again in a few minutes"
}

​
401 Unauthorized

{
  "status": "failed",
  "message": "Authentication credentials were not provided."
}

Authorizations

​
x-access-token
string
header
required

Your Adhere API secret key

Body

application/json
​
tin
string
required
Example:

"12345678-0001"

Response

TIN verified