Onboarding business customers as a Tech Provider or Tech Partner | Developer Documentation

Onboarding business customers as a Tech Provider or Tech Partner
Updated: Nov 14, 2025
This document describes the steps Tech Providers and Tech Partners must perform to onboard new business customers who have completed the Embedded Signup flow.
If you are a Tech Provider or Tech Partner, any business customer who completes your implementation of the Embedded Signup flow will not be able to use your app to access their WhatsApp assets or send and receive messages (if you are offering messaging services) until you complete these steps.
What you will needthe business customer’s WABA ID (returned via session logging or API request)the business customer’s business phone number ID (returned via session logging or API request)your app ID (displayed at the top of the App Dashboard)your app secret (displayed in the App Dashboard > App settings > Basic panel) 
Also, if you wish to test messaging capabilities using the customer’s business phone number, you will need a WhatsApp phone number that can already send and receive messages from other WhatsApp numbers.
Perform all of the requests described below using server-to-server requests. Do not use client-side requests.
Step 1: Exchange the token code for a business token
Request parameters
Placeholder 
Description 
Example value 
<APP_ID>
Required.
Your app ID. This is displayed at the top of the App Dashboard.
236484624622562
<APP_SECRET>
Required.
Your app secret. You can get this from the App Dashboard > App Secret > Basic panel.
614fc2afde15eee07a26b2fe3eaee9b9
<CODE>
Required.
The code returned by Embedded Signup when the customer successfully completed the flow.
AQBhlXsctMxJYbwbrpybxlo9tLPGy-QAmjBJA03jxLos43wxlBlrYozY5C33BXJULd133cOJf_5y6EkJZYMrAmW-EMj3Wdap9-NUM2nS4s8tC-ES7slBhh6QpCFM7-SzpI-iqsjqTGyxbUUW3AeaEyLkeZFIkBgcQ_SOxo9HShm20SDR5_n7AT9ZJ5dcgpqBQykNT-pQ8V7Ne9-sr6RLAWtJMF7-Zx6ABudRcWIN53tUTtquDVNuq3lrco4BlVQAv-54tR83Ae0ODN9Uet6j-BVLuetXhQCM3sz9RdgedlbxkidMbkztvYX1j7baOrJxyLyYGWYgbnUrKRQKCtWTsO5ekIGFgtbpS8UPJNqV6j8E5XKPJ8QA7ZFqzkB0s2O__J5FrjHzc_rDo1EuRbw98ihHDzQnvuXeHapEyfhLDJct0A
Response parameters
Placeholder 
Description 
Example value 
<BUSINESS_TOKEN>
The customer’s business token.
EAAAN6tcBzAUBOwtDtTfmZCJ9n3FHpSDcDTH86ekf89XnnMZAtaitMUysPDE7LES3CXkA4MmbKCghdQeU1boHr0QZA05SShiILcoUy7ZAb2GE7hrUEpYHKLDuP2sYZCURkZCHGEvEGjScGLHzC4KDm8tq2slt4BsOQE1HHX8DzHahdT51MRDqBw0YaeZByrVFZkVAoVTxXUtuKgDDdrmJQXMnI4jqJYetsZCP1efj5ygGscZBm4OvvuCYB039ZAFlyNn
Step 2: Subscribe to webhooks on the customer’s WABA
Request parameters
Placeholder 
Description 
Example value 
<API_VERSION>
String
Optional.
Graph API version.
v25.0
<BUSINESS_TOKEN>String
Required.
The business customer’s business token.
EAAAN6tcBzAUBOwtDtTfmZCJ9n3FHpSDcDTH86ekf89XnnMZAtaitMUysPDE7LES3CXkA4MmbKCghdQeU1boHr0QZA05SShiILcoUy7ZAb2GE7hrUEpYHKLDuP2sYZCURkZCHGEvEGjScGLHzC4KDm8tq2slt4BsOQE1HHX8DzHahdT51MRDqBw0YaeZByrVFZkVAoVTxXUtuKgDDdrmJQXMnI4jqJYetsZCP1efj5ygGscZBm4OvvuCYB039ZAFlyNn
<WABA_ID>String
Required.
WhatsApp Business Account ID.
102290129340398
Step 5: Instruct the customer to add a payment method
Instruct your customer to use the WhatsApp Manager to add a payment method. You can provide them with the following Help Center link:
https://www.facebook.com/business/help/488291839463771⁠
Alternatively, you can instruct them to:Access the WhatsApp Manager > Overview panel at https://business.facebook.com/wa/manage/home/⁠Click the Add payment method buttonComplete the flow 
Once your customer adds a payment method, they are fully onboarded onto the WhatsApp Business Platform and can begin using your app to access their WhatsApp assets and send and receive messages (if you are providing them with that service).