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Applying via SleekFlow
Connect to Official WhatsApp API to use SleekFlow for customer supports
Book a consultation with our team, we will assist and guide in choosing the best WhatsApp Business connection for your business.

You will then be directed to a compared table listing features of Third-party WhatsApp and Official WhatsApp.
Check the below features and "Select" Official WhatsApp to process:
- Faster and reliable connection compared to Third-party WhatsApp
- Green tick badge verification (*subject to WhatsApp approval)
- Required to buy a new virtual phone number
- Require approval from WhatsApp: 2-3 weeks verification & application period
- Up to 100,000 messages/day with a registered template message without risk of getting blocked

You are required to fill in the information on the application form to process.
Field | Note |
First Name | First Name of company representative making the application. |
Last Name | Last Name of company representative making the application. |
Company Name | Full name of your company.
Only companies can apply for WhatsApp API accounts. |
Company Website | Your official company website. e.g. https://testing.com |
Company Email | Email that your company used for the application. |
Mobile Number | Your contact number. *The number is for notification if there are issues when applying for Official WhatsApp |
I prefer my new WhatsApp number to start with | Start with 3: Monthly rate at US$6 include Call forwarding service Start with 6: Monthly rate at US$15 with SMS service (*No call forwarding) |
Facebook Business Manager ID | WhatsApp Accounts are attached to Facebook Business Manager for authentication. |
I’ve completed Facebook Business Verifications | Choose "Yes" if you have done this before. Check this article if you are not sure about the verification status.
If not, please refer to our guide - Facebook Business Verification |
Business Registration Supporting Document | Upload Business Registration Supporting Document for WhatsApp verification. *For All Companies in Hong Kong |

After submitting the application form, we will send a system email to you to complete TWO actions for processing the application.
You must first complete these two actions for processing the application.

- Top-up US$20 WhatsApp credits
We will use the credits to purchase a new virtual phone number have requested in your application form for the Official WhatsApp Account. Please top-up here.

Charge of the new virtual phone number (Hong Kong):
Start with 3: Monthly rate of US$6 includes Call forwarding service.
Start with 6: Monthly rate at US$15 includes SMS service, without call forwarding service.
You can use the remaining top-up credits for the sending charges of template or session messages.
- Complete Facebook Business Verification
If you do not verify your Facebook Business before, you must complete it for the Official WhatsApp application. Please check the verification steps here:
After completing the above steps, you will receive another email asking you to approve the Twilio request on your Facebook Business Manager.
Navigate to your Facebook Business Manager Settings > Requests > Received and “Approve” Twilio to message on behalf of your Facebook admin.

Our team will help to process the remaining application. The whole application process takes 2-3 weeks.
We will assist in connecting the Official WhatsApp Business API to your platform's channel after completing all the above procedures.

Your Official WhatsApp account is ready to use now.