Cost by message category
| Categoría | Tasa | Meta cost |
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A pricing model mid-transition
WhatsApp Business API pricing isn't a stable, settled number — it's a platform actively changing its billing model. Meta moved from conversation-based pricing (one flat rate per 24-hour conversation window, regardless of how many messages you sent inside it) to per-message pricing on July 1, 2025, which fundamentally changed the economics for high-message-volume conversations inside a single window. Now a second shift lands October 1, 2026: the service-message category — replies you send inside the free 24-hour window a customer opens by messaging you first — stops being unconditionally free. Each WhatsApp Business Account gets 1,000 free service messages a month; everything past that bills at the destination market's utility rate, and in-window utility replies lose their own free allowance entirely.
Layered on top of whatever Meta charges is your BSP's own markup — Twilio, MessageBird, 360dialog, and others don't resell Meta's rate at cost, they add their own per-message fee for platform access and tooling. That markup is usually small in isolation ($0.003-$0.010) but scales linearly with every category, so at high volume it can rival or exceed Meta's own base cost, especially for the cheaper authentication and utility categories.
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Preguntas frecuentes
How does WhatsApp Business API pricing work in 2026?
Meta replaced the old conversation-based pricing with a per-message model on July 1, 2025. Every message you send now falls into one of four categories — marketing, utility, authentication, or service — each billed at its own rate (illustrative US 2026 rates: utility $0.006, authentication $0.004, marketing roughly $0.025), and rates vary by the recipient's country. On top of Meta's own rate, the Business Solution Provider (BSP) you route through — Twilio, MessageBird, etc. — typically layers its own markup of about $0.003-$0.010 per message.
What changes on October 1, 2026?
Service messages — replies sent inside the 24-hour customer-service window a user opens by messaging you first — stop being unconditionally free. From October 1, 2026, each WhatsApp Business Account gets 1,000 free service messages per month; every service message beyond that is billed at the destination market's utility rate. In-window utility replies lose their free-tier treatment entirely and are billed with no free allowance at all from that date.
Why is marketing pricing shown even though marketing messages are paused in the US?
Meta paused new marketing-template sends in the US market starting April 2025 as part of an ongoing policy adjustment, but marketing messaging remains active and billed in most other countries at roughly the rate this calculator models. If you're sending exclusively to US numbers, treat the marketing line as illustrative/future-facing rather than a charge you'll actually incur today — check Meta's current Business Platform status page for your specific target markets before budgeting marketing volume.
Do I pay Meta directly, or does my BSP set the price?
Both. Meta sets a base per-message rate that's identical no matter which BSP you use, but you don't send WhatsApp Business API messages directly to Meta — you route through an approved BSP (Twilio, MessageBird, Vonage, 360dialog, and others), and each BSP adds its own per-message markup on top of Meta's base rate for platform access, support, and tooling. Two businesses sending an identical message mix through different BSPs can end up with meaningfully different total bills purely from the markup difference.
Do authentication messages (OTPs) really cost less than marketing?
Yes, consistently — authentication (one-time-password style) messages are priced as Meta's cheapest category (around $0.004 in the US), utility messages (order confirmations, shipping updates) sit in the middle (around $0.006), and marketing messages are the most expensive by a wide margin (around $0.025, where currently billed). The pricing gap reflects the categories' different economics to Meta: authentication messages are short, purely transactional, and high-volume, while marketing messages carry commercial promotional value the platform prices accordingly.