Create Customer
curl --request POST \
--url https://api.linkio.world/otc/business_customer \
--header 'Content-Type: application/json' \
--header 'idempotency-key: <idempotency-key>' \
--header 'ngnc-sec-key: <api-key>' \
--data '
{
"business_name": "<string>",
"business_email": "jsmith@example.com",
"phone_number": "<string>",
"registered_address": "<string>",
"registered_country": "NGA"
}
'import requests
url = "https://api.linkio.world/otc/business_customer"
payload = {
"business_name": "<string>",
"business_email": "jsmith@example.com",
"phone_number": "<string>",
"registered_address": "<string>",
"registered_country": "NGA"
}
headers = {
"idempotency-key": "<idempotency-key>",
"ngnc-sec-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {
'idempotency-key': '<idempotency-key>',
'ngnc-sec-key': '<api-key>',
'Content-Type': 'application/json'
},
body: JSON.stringify({
business_name: '<string>',
business_email: 'jsmith@example.com',
phone_number: '<string>',
registered_address: '<string>',
registered_country: 'NGA'
})
};
fetch('https://api.linkio.world/otc/business_customer', 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://api.linkio.world/otc/business_customer",
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([
'business_name' => '<string>',
'business_email' => 'jsmith@example.com',
'phone_number' => '<string>',
'registered_address' => '<string>',
'registered_country' => 'NGA'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"idempotency-key: <idempotency-key>",
"ngnc-sec-key: <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://api.linkio.world/otc/business_customer"
payload := strings.NewReader("{\n \"business_name\": \"<string>\",\n \"business_email\": \"jsmith@example.com\",\n \"phone_number\": \"<string>\",\n \"registered_address\": \"<string>\",\n \"registered_country\": \"NGA\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("idempotency-key", "<idempotency-key>")
req.Header.Add("ngnc-sec-key", "<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://api.linkio.world/otc/business_customer")
.header("idempotency-key", "<idempotency-key>")
.header("ngnc-sec-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"business_name\": \"<string>\",\n \"business_email\": \"jsmith@example.com\",\n \"phone_number\": \"<string>\",\n \"registered_address\": \"<string>\",\n \"registered_country\": \"NGA\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.linkio.world/otc/business_customer")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["idempotency-key"] = '<idempotency-key>'
request["ngnc-sec-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"business_name\": \"<string>\",\n \"business_email\": \"jsmith@example.com\",\n \"phone_number\": \"<string>\",\n \"registered_address\": \"<string>\",\n \"registered_country\": \"NGA\"\n}"
response = http.request(request)
puts response.read_body{
"code": "CRT_SUCCESSFUL",
"CustomerID": "acm123456",
"KYB_Link": "<string>",
"message": "Customer created."
}B2B
Create Customer
Register a new business customer. Returns a unique CustomerID and a KYB link for compliance verification. Requires an idempotency-key header to prevent duplicate submissions. Not available in test mode.
POST
/
otc
/
business_customer
Create Customer
curl --request POST \
--url https://api.linkio.world/otc/business_customer \
--header 'Content-Type: application/json' \
--header 'idempotency-key: <idempotency-key>' \
--header 'ngnc-sec-key: <api-key>' \
--data '
{
"business_name": "<string>",
"business_email": "jsmith@example.com",
"phone_number": "<string>",
"registered_address": "<string>",
"registered_country": "NGA"
}
'import requests
url = "https://api.linkio.world/otc/business_customer"
payload = {
"business_name": "<string>",
"business_email": "jsmith@example.com",
"phone_number": "<string>",
"registered_address": "<string>",
"registered_country": "NGA"
}
headers = {
"idempotency-key": "<idempotency-key>",
"ngnc-sec-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {
'idempotency-key': '<idempotency-key>',
'ngnc-sec-key': '<api-key>',
'Content-Type': 'application/json'
},
body: JSON.stringify({
business_name: '<string>',
business_email: 'jsmith@example.com',
phone_number: '<string>',
registered_address: '<string>',
registered_country: 'NGA'
})
};
fetch('https://api.linkio.world/otc/business_customer', 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://api.linkio.world/otc/business_customer",
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([
'business_name' => '<string>',
'business_email' => 'jsmith@example.com',
'phone_number' => '<string>',
'registered_address' => '<string>',
'registered_country' => 'NGA'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"idempotency-key: <idempotency-key>",
"ngnc-sec-key: <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://api.linkio.world/otc/business_customer"
payload := strings.NewReader("{\n \"business_name\": \"<string>\",\n \"business_email\": \"jsmith@example.com\",\n \"phone_number\": \"<string>\",\n \"registered_address\": \"<string>\",\n \"registered_country\": \"NGA\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("idempotency-key", "<idempotency-key>")
req.Header.Add("ngnc-sec-key", "<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://api.linkio.world/otc/business_customer")
.header("idempotency-key", "<idempotency-key>")
.header("ngnc-sec-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"business_name\": \"<string>\",\n \"business_email\": \"jsmith@example.com\",\n \"phone_number\": \"<string>\",\n \"registered_address\": \"<string>\",\n \"registered_country\": \"NGA\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.linkio.world/otc/business_customer")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["idempotency-key"] = '<idempotency-key>'
request["ngnc-sec-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"business_name\": \"<string>\",\n \"business_email\": \"jsmith@example.com\",\n \"phone_number\": \"<string>\",\n \"registered_address\": \"<string>\",\n \"registered_country\": \"NGA\"\n}"
response = http.request(request)
puts response.read_body{
"code": "CRT_SUCCESSFUL",
"CustomerID": "acm123456",
"KYB_Link": "<string>",
"message": "Customer created."
}Authorizations
Headers
A unique key (e.g. UUID) to prevent duplicate customer creation on retries.
Body
application/json
Legal name of the customer's business.
Business contact email address.
Business phone number including country code.
Registered business address.
ISO 3166-1 alpha-3 country code (e.g. NGA, USA, GBR).
Pattern:
^[A-Z]{3}$Example:
"NGA"
⌘I

