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Meta Business Agent now bills per token. What will it cost to let it answer leads from my click-to-message ads?

By The Tofu team ·

On WhatsApp, about 4 to 5 cents per agent reply of typical length. Since August 1, 2026, Meta charges $2.00 per million tokens for Meta Business Agent replies on the WhatsApp Business Platform, even inside the free window a click-to-WhatsApp ad opens. Meta says a reply typically uses 20,000 to 25,000 tokens, which at that rate is 4 to 5 cents. Meta has published no per-token price for Messenger or Instagram. In the WhatsApp Business app, Meta says the agent is free to start and Meta One plans add more replies a month, but not how many.

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As of November 2026.

What changed

BeforeNow
How Meta labels agent repliesUntil July 1, 2026, every reply that wasn't a template was a service messageSince July 1, 2026, replies written by Meta Business Agent are their own category
What Meta charges for themNothing in July 2026. Meta's example charges only the marketing template that started the chatSince August 1, 2026 (12pm PT), one global rate of $2.00 per million tokens. One charge covers the AI work and the delivery
Which tokens countNot applicableInput and output tokens only. Meta doesn't charge for cache tokens
The free entry point window after a click-to-WhatsApp adEvery reply in the window was freeMarketing, utility, authentication and service messages are still free. Business Agent replies are charged
Payment methodNot neededNeeded in Billing Hub before the agent can answer everyone. A monthly credit line (eligible businesses only) since August 1, or a Visa or Mastercard card since September 8, 2026
Replies from your team or a third-party AI tool (service messages)Free since November 1, 2024Charged per message since October 1, 2026, after 1,000 free a month per phone number

What Meta says a reply costs

Meta's pricing page gives a rate and a typical size, not a fixed price per reply:

  • One message "typically consumes" 20,000 to 25,000 tokens, which Meta puts at about 4 to 5 cents.
  • The math: 20,000 tokens at $2.00 per million is 20,000 ÷ 1,000,000 × $2.00 = $0.04. 25,000 tokens is $0.05. So "4 to 5 cents a reply" assumes each reply uses the typical 20,000 to 25,000 tokens. It isn't a fixed price.
  • Simple answers use fewer tokens and cost less. Longer problem-solving costs more.
  • A simple question answered in 4 messages uses about 80,000 tokens, about 16 to 20 cents.
  • A complex one answered in 10 messages uses about 250,000 tokens, about 40 to 50 cents.
  • Meta charges only for delivered messages, and each message gets one charge. A reply that isn't a template is billed as a Business Agent message or a service message, never both.
  • Volume tiers and free messages "do not apply" to Business Agent messages.

To estimate your own bill, multiply your leads a month by the agent replies each lead gets, then by 4 to 5 cents (assuming replies of typical length). For example, 300 leads a month at 8 replies each is 2,400 replies, or about $96 to $120 at Meta's typical rate. Your real cost depends on how long the agent's answers are, so check it after the first week (step 5 below).

What Meta doesn't say

  • A price for Messenger or Instagram. Meta's pricing pages cover the WhatsApp Business Platform only, and its Business Agent usage report lists WhatsApp as the only channel. Meta's June 3, 2026 announcement says the Business Agent Platform supports "Messenger and Instagram as well," but gives no price for them. Tech Times reported on July 16, 2026 that billing covers "all AI-handled conversations across WhatsApp, Instagram, and Messenger," but the Meta pricing page it links to covers WhatsApp only.
  • How big the free allowance is. Meta's June 3, 2026 announcement says "getting started is free." Its About Meta One Plans article gives each business plan "more," "even more," "expanded" or "maximum" access to Business Agent replies, with no numbers. It names WhatsApp Business for three plans and Messenger for Expert.

Which kind of Business Agent are your ads using?

Meta sells the agent two ways, and only one has a published price.

Meta Business Agent PlatformBusiness Agent in Meta's apps
Where it answersWhatsApp, on a WhatsApp Business Platform number set up through the API, by your business or a solution provider. Meta's announcement says it supports Messenger and Instagram too, but its developer docs cover only WhatsAppThe WhatsApp Business app. Meta's announcement also names Instagram Pro, Messenger and Meta Business Suite
Published price$2.00 per million tokens: about 4 to 5 cents for a reply of typical length (20,000 to 25,000 tokens)Free to start. Meta One plans, $14.99 to $499 a month per profile, add more replies. No numbers given
In the free window after a click-to-WhatsApp adChargedNot stated
Spend controlsToken and AI-turn caps over rolling 1, 7, 14 or 30 daysNot stated
Who can use itEligible numbers only (see below)Meta said on June 3, 2026 that it is expanding globally, starting with "a select number of businesses," with a waitlist

Not sure which you have? Ask whoever set up your WhatsApp number whether replies go out as Meta Business Agent messages or as service messages.

Who it affects

  • B2B advertisers whose click-to-WhatsApp ads land on a number running the Business Agent Platform. Every agent reply is charged, including in the free window that used to make ad-driven chats free.
  • Teams that hand qualified leads to a person. Your team's replies are service messages. They're free inside the free entry point window, and otherwise charged per message after 1,000 free a month per number. Meta's pricing example says that if its sample chat had started from a click-to-WhatsApp ad, 3 of its 5 business messages would be free and the 2 agent replies would still be charged.
  • Teams using a third-party AI tool instead. Those replies are service messages. Meta notes you'd typically also pay the AI provider and your messaging provider separately.
  • Businesses that can't use it. Meta's overview excludes Finance, Government, Health, Alcohol, Gambling, over-the-counter drugs and matrimony services. The number must also be on the WhatsApp Business Platform, in good standing, in an eligible country, verified, and not already running another AI agent.

The token charge doesn't touch you if people on your team answer your click-to-message chats, or if you collect leads with a standard Instant Form. Meta hasn't said whether its separate lead capture AI agent in Instant Forms is billed; see Meta's lead capture AI agent.

What to do now

  1. Confirm which kind of agent you run (the table above), and in which apps your ads open chats.
  2. Add a payment method before going live for everyone. Meta won't deliver Business Agent messages without one. You can test first: an agent set to answer only an allowlist (ai_audience set to ALLOWLISTED_ONLY) runs without a payment method.
  3. Set a budget. Meta's Agent Budget caps tokens across your business, or AI turns in each conversation, over rolling 1, 7, 14 or 30 days. You can tie a cap to a campaign's start and end dates. When a cap is reached, the agent finishes its turn, stops replying and hands the chat to a person. With no budget, usage is unlimited. An AI-turn cap per chat stops one long conversation from costing more than the lead is worth.
  4. Keep the agent to qualifying, then hand off. Meta's lead generation guide has the agent collect the details sales needs and submit the lead to your CRM through a connector. Meta says the agent "cannot record a lead without the connector." Fewer replies per lead means a smaller bill.
  5. Track real cost. Meta's Business Agent Usage Insights API shows billable messages, tokens and charges by hour, day or month. Add the agent's cost to your ad cost before you judge cost per qualified lead.
  6. Check your credit line. If Business Agent shares a monthly credit line with your ads, its charges use up the same limit. See how Meta monthly invoicing works and what happens if you pay late or hit the limit.

For what Meta One does and doesn't cover for advertisers, see Meta One and human support.

Dates to watch

DateWhat happens
June 3, 2026Meta announces Business Agent's global expansion and the Business Agent Platform
July 1, 2026Business Agent replies become their own message category, not yet charged
August 1, 2026, 12pm PTPer-token charges start. A payment method is required
September 8, 2026Visa and Mastercard cards accepted for Business Agent
September 15, 2026Meta announces Meta One plans, with more Business Agent replies on each plan
October 1, 2026Service messages, and utility messages sent in reply, are charged per message
January 1, April 1, July 1, October 1Meta changes WhatsApp pricing only on these days, with at least a month's notice for a rate change

Sources

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