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WhatsApp Business API Setup & Messaging Guide

WhatsApp Business API is a powerful communication tool provided by Meta to global companies, allowing companies to communicate with their customers securely and efficiently directly through the API.

This tutorial will guide you on how to access the WhatsApp Business API and implement message access and sending.

 

1. Register for WhatsApp Business Account

Create or log in to your WhatsApp Business app account and make sure your phone number is verified. If you plan to send broadcast messages or automated services at scale, you need to apply for the WhatsApp Business API and pass the review.
 
API numbers cannot be used directly in the App. API access needs to be obtained and managed through third-party platforms such as SaleSmartly. These platforms usually provide self-service number purchase, self-service registration, and API number access services.

Platform self-service registration tutorial: Self-service registration tutorial for WhatsApp API number

Third-party WhatsApp API integration tutorial: How to integrate WhatsApp business API number?

Facebook official WhatsApp API number registration tutorial: Cloud API number access tutorial

 

Request access rights

When applying for the WhatsApp Business API, you need to follow the official process to submit relevant business information, and you can use the API to send messages only after approval.

To send messages to strangers through WhatsApp API, you need to import the customer number into the contacts first. Then the content of the first message needs to be submitted to WhatsApp for official review. The message can only be sent after the message template is reviewed and approved. After sending, the customer has to reply to you before you can send freely.

Or if someone contacts you, you can reply with any message. This is a problem with the official WhatsApp mechanism. You cannot send content other than the template. If there is a change, you have to apply for the template. After the other party replies, you can send any content at will.

A conversation will last for 24 hours. If there is no contact for more than 24 hours, the template content will have to be sent again.

2. Create a Template Message

Templates are used to start marketing, transactional and authentication conversations with customers through template messages. Unlike free-form messages, template messages are the only type of messages you can send to customers who haven't messaged you so far or in the past 24 hours. Templates must be approved before they can be sent through template messages. In addition, based on customer feedback and interactions, the system can also automatically disable templates. Once disabled, you won't be able to send the template through template messages until its quality score improves or the template no longer violates our WhatsApp Business Policy or Commercial Policy.

Tutorial on applying for WhatsApp API template: Click here to go

3. Message Sending Tutorial

Currently supports creating group messaging plans through multiple channels, including WhatsApp App, WhatsApp API, Email, Messenger, Telegram, and Instagram.
WhatsApp API group messaging tutorial can be found at: WhatsApp API

 

IV. Conclusion

Accessing and using the WhatsApp Business API can help companies improve customer service efficiency and provide personalized customer interaction experiences. Please ensure that you strictly abide by the privacy policy and platform regulations throughout the process and continuously optimize your messaging strategy to maximize the value of this powerful tool.

Please note that the actual operation process may vary due to the specific service platform or official API updates. Please refer to the latest official documentation and the guides provided by the selected platform for operation.

Frequently asked questions

1. Will the number used on your platform be blocked?

The WhatsApp API numbers purchased on our platform strictly follow Facebook's official regulations and ban policies. This is done to ensure the safety and compliance of users on our platform. According to the official rules, if you trigger the restrictions, your number may be banned. The main situations include sending texts that trigger restrictions, or being reported by the recipient. You can check FB's official rules for more details:

FB official rules link: Facebook

In addition, we recommend that when using a newly purchased WhatsApp API account, please try passive chatting for 3-5 days (i.e. visitors actively send messages to the WS account) and gradually maintain the account to reduce the risk of being banned. Thank you for your understanding and cooperation!

 

2. How is the WhatsApp API fee charged?

Please click here for detailed fees.

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Last modified: 2025-05-14Powered by