Get a Free WhatsApp Business Account – Includes Onboarding, API Access & Sandbox. Apply Now!
Get a Free WhatsApp Business Account – Includes Onboarding, API Access & Sandbox. Apply Now!
Send instant order updates, payment alerts, OTPs and delivery notifications using the Official WhatsApp Business API.
WhatsApp transactional messages are automated, event-based notifications sent to customers using the Official WhatsApp Business API (Transactional API). These messages deliver critical, time-sensitive notifications triggered by a user action, such as order confirmations, payment alerts, OTPs, password resets, delivery updates and account notifications.
Integrate WhatsApp capabilities into your systems to send real-time, high-priority messages.
Get your official WhatsApp Business API account approved with Authkey’s expert-guided onboarding process. From business verification to number setup, we handle everything end-to-end.
Authkey makes it simple to integrate the Official WhatsApp Business API with your existing systems. Get up and integrate API quickly to start sending transactional WhatsApp messages without complex development.
Send real-time transactional notifications automatically when customers take actions such as placing orders, completing payments, or verifying accounts. Authkey ensures high message delivery rates with enterprise-grade infrastructure and Meta-compliant templates.
Send instant WhatsApp order confirmation messages when customers place, modify, or cancel an order. Authkey ensures real-time delivery via the Official WhatsApp Business API to build trust and reduce support queries.
Automatically notify customers about successful payments, failed transactions, refunds, and pending dues. Authkey’s WhatsApp transactional alerts improve transparency and reduce payment-related follow-ups.
Keep customers informed with automated WhatsApp shipping notifications, tracking links, dispatch alerts, and delivery confirmations for a smooth post-purchase experience.
Deliver secure and time-sensitive OTPs, verification codes, and authentication messages on WhatsApp with high delivery rates powered by Authkey’s reliable API infrastructure.
Reduce no-shows by sending automated appointment confirmations and reminder messages on WhatsApp. Authkey triggers reminders based on scheduled events to improve attendance.
Send important account-related alerts such as login activity, policy updates, service outages, and subscription notifications through WhatsApp for faster user awareness and action.
Send WhatsApp transactional messages instantly for orders, payments, OTPs, and shipping updates. Messages are triggered automatically by user actions via Authkey’s WhatsApp API.
Automatically trigger WhatsApp transactional messages for sign-ups, purchases, payment confirmations, and account activity using Authkey’s Transactional API.
WhatsApp transactional messages are end-to-end encrypted, making them ideal for OTPs, authentication, and sensitive account alerts.
All transactional message templates are Meta-approved and fully compliant with WhatsApp and Meta guidelines.
Integrate WhatsApp Transactional API with your existing systems using Authkey’s robust APIs and real-time webhooks.
Keep customers informed round-the-clock with automated transactional WhatsApp messages for critical updates and alerts.
Never miss a critical notification. Guaranteed Delivery for Critical Alerts
With Authkey’s SMS fallback add-on, your transactional messages are automatically delivered via SMS if WhatsApp is unavailable or the message is not delivered.
Perfect for time-sensitive messages like OTPs, payment alerts, account notifications, and security updates, where delivery assurance is critical.
Send real-time transactional notifications using the Official WhatsApp Business API with high reliability and Meta-compliant delivery.
Quick-start guides, SDKs, code snippets and API references for easy integration.
<?php
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => "https://authkey.io/restapi/requestjson.php",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_MAXREDIRS => 5,
CURLOPT_HTTPHEADER => array(
"Content-Type: application/json",
"Authorization: Basic API_KEY"
),
CURLOPT_POSTFIELDS => json_encode(array(
"country_code" => "91",
"mobile" => "RECIPIENT_MOBILE",
"wid" => "WHATSAPP_TEMPLATE_ID",
"type" => "text"
)),
));
$response = curl_exec($curl);
curl_close($curl);
echo $response;
?>
Reach customers across 180+ countries with localized sender IDs, regional compliance support, and globally optimized routing—powered by Authkey’s enterprise messaging infrastructure.
Monitor delivery status, failures, and engagement in real time. Authkey’s analytics help you track, troubleshoot, and optimize transactional message performance across WhatsApp and fallback channels.
Leverage Authkey’s high-throughput messaging network with extensive carrier connectivity and intelligent routing to ensure fast and reliable delivery of mission-critical transactional messages.
Ensure message delivery even when WhatsApp is unavailable. Authkey automatically triggers SMS fallback for OTPs and critical alerts to guarantee maximum reach.
Manage customer consent with customizable opt-in and opt-out flows aligned with local regulations and languages—directly from Authkey’s centralized dashboard.
Enhance transactional communication with rich media, buttons, and branded sender profiles using RCS messaging—improving trust, engagement, and conversions.
Trusted and verified for seamless messaging.
Handles high-volume operations without downtime.
All in one platform - WhatsApp, SMS, Voice, Email and RCS.
Fully aligned with WhatsApp policies and local regulations.
Designed to support large-scale customer communications efficiently.
@ Just Rs. 0.15 per message