Onboarding business customers as a Solution Partner | Developer Documentation Onboarding business customers as a Solution Partner Updated: Nov 14, 2025 This document describes the steps Solution Partners must perform to onboard new business customers who have completed the Embedded Signup flow. If you are a Solution 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 until you complete these steps. What you will need the 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) your credit line ID (displayed in Business Manager > Business Settings > Business Info or returned via API request ) your system user access token (“system token”) 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 Required. Your app ID. This is displayed at the top of the App Dashboard . 236484624622562 Required. Your app secret. You can get this from the App Dashboard > App Secret > Basic panel. 614fc2afde15eee07a26b2fe3eaee9b9 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 The customer’s business token . EAAAN6tcBzAUBOwtDtTfmZCJ9n3FHpSDcDTH86ekf89XnnMZAtaitMUysPDE7LES3CXkA4MmbKCghdQeU1boHr0QZA05SShiILcoUy7ZAb2GE7hrUEpYHKLDuP2sYZCURkZCHGEvEGjScGLHzC4KDm8tq2slt4BsOQE1HHX8DzHahdT51MRDqBw0YaeZByrVFZkVAoVTxXUtuKgDDdrmJQXMnI4jqJYetsZCP1efj5ygGscZBm4OvvuCYB039ZAFlyNn Step 2: Subscribe to webhooks on the customer’s WABA Request parameters Placeholder Description Example value Required. The customer’s business token . EAAAN6tcBzAUBOwtDtTfmZCJ9n3FHpSDcDTH86ekf89XnnMZAtaitMUysPDE7LES3CXkA4MmbKCghdQeU1boHr0QZA05SShiILcoUy7ZAb2GE7hrUEpYHKLDuP2sYZCURkZCHGEvEGjScGLHzC4KDm8tq2slt4BsOQE1HHX8DzHahdT51MRDqBw0YaeZByrVFZkVAoVTxXUtuKgDDdrmJQXMnI4jqJYetsZCP1efj5ygGscZBm4OvvuCYB039ZAFlyNn Required. The customer’s WABA ID. 102290129340398 Step 3: Share your credit line with the customer We are currently testing new steps for sharing your credit line with onboarded business customers. These steps will eventually replace this step, so if you wish to implement these steps now, see Alternate method for sharing your credit line . Note : If you are using the below API i.e. whatsapp_credit_sharing_and_attach , you would need to add your System User to the shared WhatsApp Business Accounts as a pre-requisite. Please refer to this doc for steps . Request parameters Placeholder Description Example value Required. The business’s currency, as a three-letter currency code. Support values are: AUD EUR GBP IDR INR USD This currency is used for invoicing and corresponds to pricing rates. USD Required. The customer’s WABA ID. 102290129340398 Required. Your extended credit line ID. 1972385232742146 Required. Your system token. EAAAN6tcBzAUBOZC82CW7iR2LiaZBwUHS4Y7FDtQxRUPy1PHZClDGZBZCgWdrTisgMjpFKiZAi1FBBQNO2IqZBAzdZAA16lmUs0XgRcCf6z1LLxQCgLXDEpg80d41UZBt1FKJZCqJFcTYXJvSMeHLvOdZwFyZBrV9ZPHZASSqxDZBUZASyFdzjiy2A1sippEsF4DVV5W2IlkOSr2LrMLuYoNMYBy8xQczzOKDOMccqHEZD Response parameters Placeholder Description Example value The extended credit line’s allocation configuration ID. Save this ID if you want to verify that your credit line has been shared with the customer. 58501441721238 The customer’s WABA ID. 102290129340398