WhatsApp Cloud API withholds per-message cost data, leaving businesses to track billing themselves

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Meta's WhatsApp Cloud API, which switched to per-message billing on 1 July 2025, does not return any price information in its send response or delivery webhooks. The pricing webhook only confirms whether a message is billable and its template category, but provides no amount, currency, or running cost total. Businesses must maintain their own copy of Meta's rate card and cross-reference it with recipient country and message category to calculate actual charges. The rate card can change on Meta's schedule without notice, and identical template messages may be free if sent within an open 24-hour customer service window, making cost reconstruction even harder. Developers who are not capturing and storing the delivery-status webhook have no way to audit or reconstruct per-message spending, since Meta exposes no billing history through the API.

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