Click Synchronize now and complete the procedure.
To add new numbers, visit https://business.facebook.com/wa/manage/phone-numbers/. If you add new numbers after the sync process, you will need to sync them again. All numbers will be automatically synchronized. If you wish to disable specific numbers, you can delete them from Settings > WhatsApp > Cloud API numbers.
If you sync again with the same phone number and do not receive the verification SMS or call, you can enter the latest PIN you received and it will work.
If you do not receive the messages sent to your WhatsApp number in Getyn Chat, please check the following:
Click Reconnect and complete the procedure.
Go to the Meta Business Suite and add a payment method.
Create a new account at https://developers.facebook.com or login with your existing account.
Create a new app and choose Other as the app type. Then select Business. Enter a name for the app and select the Business Account used for WhatsApp.
In Getyn Chat > Settings > WhatsApp > Cloud API settings > Secret key enter a random string then go to https://developers.facebook.com/apps and select your app. Click Add product and add WhatsApp, then go to WhatsApp > Configuration and in Webhook URL enter the URL you get from Getyn Chat > Settings > WhatsApp > Cloud API > Configuration URL. In Verify token enter the secret key you previously entered in Getyn Chat. Click Verify and save, click Webhook fields > Manage, enable the following Webhook fields: messages.
To verify the integration, simply go to https://developers.facebook.com and select your app. From there, click on "WhatsApp" in the left menu and then select "API Setup". Copy the Phone number ID and paste it into Getyn Chat > Settings > WhatsApp > Cloud API numbers > Phone number ID. Enter the desired phone number in the "To" field, such as your personal WhatsApp number, and send a test message. Check your WhatsApp account and send a reply, which should then appear in Getyn Chat. To reply to the test number from Getyn Chat, copy the "Temporary access token" and paste it in Getyn Chat > Settings > WhatsApp > Cloud API numbers > Token.
To activate the WhatsApp integration for all phone numbers and add a live phone number, refer to the following guidelines.
In Getyn Chat> Settings > WhatsApp > Cloud API numbers > Token enter the permanent access token, follow the instructions below for getting it.
Visit https://business.facebook.com and go to Left menu > Settings > Business settings, then go to Users > System Users to view your admin system user, or create a new one. Open the user and click Add Assets, then select the app used for the WhatsApp API integration and check Develop App, or Full control. The system user needs to be an admin. If you do not see the option, click Business settings.
Click Left menu > Account > Apps. Select your app or add it. Make sure the system user is there and has full control. If not, click Add user, select the system user, click Full control, and click Assign.
Click Left menu > Apps and under Select Assets and choose your app, enable Develop App, or Full control and save.
From Users > System Users select the user you just creted and click Generate New Token, click Apps and select the app used for the WhatsApp API integration, set the Token expiration to Never, enable the following permissions: whatsapp_business_management, whatsapp_business_messaging, business_management. Click Generate Token and save. Paste the token in Getyn Chat> Settings > WhatsApp > Cloud API numbers > Token.
To add additional phone numbers, you can do so by visiting https://developers.facebook.com, selecting your app, and navigating to Left menu > WhatsApp > API Setup. To get started, click on Add phone number at the bottom and follow the instructions provided.
After activating the number, copy the Phone number ID and paste it into Getyn Chat > Settings > WhatsApp > Cloud API numbers > Phone number ID.
If the number is in pending status, you need to enter your app dashboard and then from Left menu > WhatsApp > API Setup and click Generate access token.
Please keep in mind that if you use your current WhatsApp business number in Getyn Chat, it will no longer be usable with your WhatsApp Business app, and you will need to migrate it following these instructions.
Additional Resources:
Here is a quick video on how to Create a Whatsapp Cloud API App.
Here is a video on how to create a Permanent Token for Whatsapp Cloud API