WhatsApp Business Accounts API | Developer Documentation
Choose the intended account before starting setup
A new integration does not automatically require a new Meta business portfolio or WhatsApp account. First establish whether the business already has the account and number it intends to use. This decision checklist complements the account-selection guide; it does not add an account-creation API to ChatArchitect.
Match your starting situation to the next decision
| Situation | Resolve before continuing |
|---|---|
| The intended account and number already exist | Confirm the responsible business and access; identify the supported connection route for that existing setup. |
| The number already works through a provider or tool | Plan the change and interruption/recovery questions with support before altering it. |
| The number uses WhatsApp Business app | Joint operation is supported, but confirm the appropriate entry route and the required behaviour for this case. |
| There is no confirmed existing account | Ask the responsible business administrator and support which account should be used or created in the supplied flow. |
| Several similar accounts appear | Compare available labels/references with the administrator; do not choose by name alone. |
Keep a decision record
Record the intended portfolio, account, number, connected tool and responsible person. Note whether you are adding a connection or replacing one. Use the control checklist and labelled references to resolve ambiguity.
For an existing service, use number-change planning. For a number using the app, use the number guide and confirm the supported route before removing that app account. Neither a new account name nor a completed form guarantees that existing history, templates or workflows will transfer.
Compare the actual setup with the decision
In the supplied connection, check the account and number shown before proceeding. The available choices and prerequisites depend on that setup; this article does not promise that every existing account can be reused or that a new one is always required.
If the wrong account appears or the intended choice is missing, use the missing-account checks. After the flow, follow the completion checklist and test the intended sending tool.
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