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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"
}
'
import requests

url = "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/"

payload = { "tin": "12345678-0001" }
headers = {
"x-access-token": "<api-key>",
"Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {'x-access-token': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({tin: '12345678-0001'})
};

fetch('https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'tin' => '12345678-0001'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-access-token: <api-key>"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/"

payload := strings.NewReader("{\n \"tin\": \"12345678-0001\"\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("x-access-token", "<api-key>")
req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/")
.header("x-access-token", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"tin\": \"12345678-0001\"\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["x-access-token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"tin\": \"12345678-0001\"\n}"

response = http.request(request)
puts response.read_body
{
  "status": "failed",
  "data": [
    "<unknown>"
  ],
  "message": "<string>"
}
{
"status": "failed",
"message": "Authentication credentials were not provided."
}
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"}'
import requests
response = requests.post(
    "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/tin/",
    headers={"x-access-token": "YOUR_SECRET_KEY", "Content-Type": "application/json"},
    json={"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