curl --request POST \
  --url https://api.nomba.com/v1/auth/token/issue \
  --header 'Content-Type: application/json' \
  --header 'accountId: <accountid>' \
  --data '
{
  "grant_type": "client_credentials",
  "client_id": "2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d",
  "client_secret": "JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM="
}
'

import requests

url = "https://api.nomba.com/v1/auth/token/issue"

payload = {
    "grant_type": "client_credentials",
    "client_id": "2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d",
    "client_secret": "JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM="
}
headers = {
    "accountId": "<accountid>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {accountId: '<accountid>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    grant_type: 'client_credentials',
    client_id: '2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d',
    client_secret: 'JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM='
  })
};

fetch('https://api.nomba.com/v1/auth/token/issue', 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.nomba.com/v1/auth/token/issue",
  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([
    'grant_type' => 'client_credentials',
    'client_id' => '2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d',
    'client_secret' => 'JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM='
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "accountId: <accountid>"
  ],
]);

$response = curl_exec($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.nomba.com/v1/auth/token/issue"

	payload := strings.NewReader("{\n  \"grant_type\": \"client_credentials\",\n  \"client_id\": \"2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d\",\n  \"client_secret\": \"JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM=\"\n}")

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

	req.Header.Add("accountId", "<accountid>")
	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.nomba.com/v1/auth/token/issue")
  .header("accountId", "<accountid>")
  .header("Content-Type", "application/json")
  .body("{\n  \"grant_type\": \"client_credentials\",\n  \"client_id\": \"2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d\",\n  \"client_secret\": \"JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM=\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.nomba.com/v1/auth/token/issue")

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

request = Net::HTTP::Post.new(url)
request["accountId"] = '<accountid>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"grant_type\": \"client_credentials\",\n  \"client_id\": \"2242b79d-f2cf-4ccc-ada1-e890bd1a9f0d\",\n  \"client_secret\": \"JFJ8yq3G4+DvjivJMsji0YkZBkkKdSdjifR+TgT9RLM=\"\n}"

response = http.request(request)
puts response.read_body

{
  "code": "00",
  "description": "Success",
  "data": {
    "businessId": "01a10aeb-d989-460a-bbde-9842f2b4320f",
    "access_token": "eyJhbGciOiJIUzI1NiJ9.eyJHOjhmYWM4M2FjLTc2YjAtNDM1Zi1hYTM1LThkOTU3ZGQ5MjdkZCI6Ikc6OGZhYzgzYWMtNzZiMC00MzVmLWFhMzUtOGQ5NTdkZDkyN2RkIiwiUjpURUFNU19PV05FUiI6IlI6VEVBTVNfT1dORVIiLCJFbWFpbDp2aWN0b3JzaG9hZ2FAZ21haWwuY29tIjoiRW1haWw6dmljdG9yc2hvYWdhQGdtYWlsLmNvbSIsImlhdCI6MTY4MTkxODU3OSwic3ViIjoiNWUyNmNmYjAtNTI5Zi00MTdiLWI4ZDItYWJjNDcxZjRjOWRiIiwiZXhwIjoxNjgxOTIyMTc5fQ.lQOsyhR1gajKdzE9IHQEtxhQyUrArctEDZiP9pWVTFY",
    "refresh_token": "01h4gdx2tctxfjgacbdwrcvs5d1688473602892",
    "expiresAt": "2022-07-08T14:33:00Z"
  }
}

{
  "code": "400",
  "description": "Request failed."
}

{
  "code": "401",
  "description": "Unauthorized"
}

{
  "code": "403",
  "description": "Forbidden"
}

{
  "code": "404",
  "description": "Record not found"
}

{
  "code": "429",
  "description": "Too many requests"
}

{
  "code": "500",
  "description": "Server error"
}