curl --request POST \
  --url https://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions \
  --header 'Content-Type: application/json' \
  --header 'X-Forwarded-For: <x-forwarded-for>' \
  --header 'X-Forwarded-From: <x-forwarded-from>' \
  --header 'X-Tenant-ID: <x-tenant-id>' \
  --header 'deviceId: <deviceid>' \
  --header 'platform: <platform>' \
  --data '
{
  "username": "customer.login.123456@example.test",
  "password": "SecurePass123!",
  "tenantKey": "a1B2c3D4e5F6g7H8i9J0kLmNopQr",
  "tenantSecret": "s3Cr3tKeyXyZpQwErTyUiOpAsDfGh",
  "credentialType": "PASSWORD",
  "value": "customer.login.123456@example.test",
  "tenantId": "11111111-2222-4333-8444-555555555555"
}
'

import requests

url = "https://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions"

payload = {
    "username": "customer.login.123456@example.test",
    "password": "SecurePass123!",
    "tenantKey": "a1B2c3D4e5F6g7H8i9J0kLmNopQr",
    "tenantSecret": "s3Cr3tKeyXyZpQwErTyUiOpAsDfGh",
    "credentialType": "PASSWORD",
    "value": "customer.login.123456@example.test",
    "tenantId": "11111111-2222-4333-8444-555555555555"
}
headers = {
    "X-Forwarded-For": "<x-forwarded-for>",
    "X-Tenant-ID": "<x-tenant-id>",
    "X-Forwarded-From": "<x-forwarded-from>",
    "platform": "<platform>",
    "deviceId": "<deviceid>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'X-Forwarded-For': '<x-forwarded-for>',
    'X-Tenant-ID': '<x-tenant-id>',
    'X-Forwarded-From': '<x-forwarded-from>',
    platform: '<platform>',
    deviceId: '<deviceid>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    username: 'customer.login.123456@example.test',
    password: 'SecurePass123!',
    tenantKey: 'a1B2c3D4e5F6g7H8i9J0kLmNopQr',
    tenantSecret: 's3Cr3tKeyXyZpQwErTyUiOpAsDfGh',
    credentialType: 'PASSWORD',
    value: 'customer.login.123456@example.test',
    tenantId: '11111111-2222-4333-8444-555555555555'
  })
};

fetch('https://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions', 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://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions",
  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([
    'username' => 'customer.login.123456@example.test',
    'password' => 'SecurePass123!',
    'tenantKey' => 'a1B2c3D4e5F6g7H8i9J0kLmNopQr',
    'tenantSecret' => 's3Cr3tKeyXyZpQwErTyUiOpAsDfGh',
    'credentialType' => 'PASSWORD',
    'value' => 'customer.login.123456@example.test',
    'tenantId' => '11111111-2222-4333-8444-555555555555'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Forwarded-For: <x-forwarded-for>",
    "X-Forwarded-From: <x-forwarded-from>",
    "X-Tenant-ID: <x-tenant-id>",
    "deviceId: <deviceid>",
    "platform: <platform>"
  ],
]);

$response = curl_exec($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://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions"

	payload := strings.NewReader("{\n  \"username\": \"customer.login.123456@example.test\",\n  \"password\": \"SecurePass123!\",\n  \"tenantKey\": \"a1B2c3D4e5F6g7H8i9J0kLmNopQr\",\n  \"tenantSecret\": \"s3Cr3tKeyXyZpQwErTyUiOpAsDfGh\",\n  \"credentialType\": \"PASSWORD\",\n  \"value\": \"customer.login.123456@example.test\",\n  \"tenantId\": \"11111111-2222-4333-8444-555555555555\"\n}")

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

	req.Header.Add("X-Forwarded-For", "<x-forwarded-for>")
	req.Header.Add("X-Tenant-ID", "<x-tenant-id>")
	req.Header.Add("X-Forwarded-From", "<x-forwarded-from>")
	req.Header.Add("platform", "<platform>")
	req.Header.Add("deviceId", "<deviceid>")
	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://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions")
  .header("X-Forwarded-For", "<x-forwarded-for>")
  .header("X-Tenant-ID", "<x-tenant-id>")
  .header("X-Forwarded-From", "<x-forwarded-from>")
  .header("platform", "<platform>")
  .header("deviceId", "<deviceid>")
  .header("Content-Type", "application/json")
  .body("{\n  \"username\": \"customer.login.123456@example.test\",\n  \"password\": \"SecurePass123!\",\n  \"tenantKey\": \"a1B2c3D4e5F6g7H8i9J0kLmNopQr\",\n  \"tenantSecret\": \"s3Cr3tKeyXyZpQwErTyUiOpAsDfGh\",\n  \"credentialType\": \"PASSWORD\",\n  \"value\": \"customer.login.123456@example.test\",\n  \"tenantId\": \"11111111-2222-4333-8444-555555555555\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.finhub.cloud/api/v2.1/customer/individual/{customerId}/users/{userId}/sessions")

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

request = Net::HTTP::Post.new(url)
request["X-Forwarded-For"] = '<x-forwarded-for>'
request["X-Tenant-ID"] = '<x-tenant-id>'
request["X-Forwarded-From"] = '<x-forwarded-from>'
request["platform"] = '<platform>'
request["deviceId"] = '<deviceid>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"username\": \"customer.login.123456@example.test\",\n  \"password\": \"SecurePass123!\",\n  \"tenantKey\": \"a1B2c3D4e5F6g7H8i9J0kLmNopQr\",\n  \"tenantSecret\": \"s3Cr3tKeyXyZpQwErTyUiOpAsDfGh\",\n  \"credentialType\": \"PASSWORD\",\n  \"value\": \"customer.login.123456@example.test\",\n  \"tenantId\": \"11111111-2222-4333-8444-555555555555\"\n}"

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

{
  "code": 200,
  "data": {
    "success": true,
    "message": "Session created successfully",
    "token": "eyJhbGciOi...",
    "refreshToken": "eyJhbGciOi...",
    "sessionId": "3c13a5ab-5e26-4372-9a85-1b2eb323c592",
    "expiresAt": "2026-03-16T20:49:32.000Z",
    "expiresIn": 123,
    "errorType": "<string>",
    "user": {
      "id": "<string>",
      "customerId": "<string>",
      "customerStatus": "<string>",
      "email": "<string>",
      "fullName": "<string>",
      "firstName": "<string>",
      "lastName": "<string>",
      "organizationId": "<string>",
      "role": "<string>",
      "phoneNumber": "<string>",
      "isActive": true,
      "lastLogin": "<string>",
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "tenantId": "<string>",
      "gender": "<string>",
      "phones": [
        {
          "phoneType": "<string>",
          "encoding": "<string>",
          "number": "<string>"
        }
      ]
    }
  },
  "message": "Success"
}