Meta's API platform letting businesses send and receive WhatsApp messages programmatically, used for customer support, notifications, and chatbot integrations.
Meta will bill WhatsApp Business service replies at the utility rate after 1,000 free per number each month from October 1, 2026, a dev.to pricing guide says. Support desks that answered customers at no Meta cost will pay per reply past that allowance.
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Meta's new WhatsApp Business Tools MCP server lets Claude or Codex add a number, wire the webhook and manage approved templates, and the developer finishes verification by pasting Meta's SMS code into the same conversation.
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A developer post working off Meta's 10 September pricing documentation puts India's service-message rate at Rs 0.1150, with 1,000 free per business phone number each month and no rollover of the ones you do not use.
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One operator's 89,479-message month prices out at $604.29 on Twilio. Only 29,602 of those messages were billable, and finding that number takes a window function, not a multiplication.
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A Chatwoot operator's postmortem shows the meter you inherit watches Postgres while attachments pile up on a Docker volume that grows with tenant count, not traffic.
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