Sellium · Selling on WhatsApp

How to keep your WhatsApp number from being blocked when you use it to sell

One day the sales WhatsApp stops working and a notice says the account is not allowed to use WhatsApp. It is almost never bad luck: it is the response to a way of sending that the rules do not allow. Here is why it happens, what each restricted account notice means, how quality is measured on the official API and what to do if it already happened to you.

The short answer

Why do business WhatsApp numbers get blocked?

WhatsApp restricts or bans a number when its activity looks like spam or breaks its terms: bulk or automated sending from the app, messages to people who did not give consent, many users blocking or reporting the number, or the use of unofficial versions of the app. On the official API, Meta measures each number's quality and slows it down, pauses it or restricts it before it gets to a ban.

The way to avoid it is to sell within the rules: only message people first if they agreed to hear from you, use the API to reach many customers, respect anyone who asks you to stop and make sure every message is useful to the person who gets it. What protects the number most is that customers have no reason to block it.

The causes

Why WhatsApp restricts or bans a number

The rules are not the same for the app and for the API, but the principle behind them is the same: WhatsApp protects its users' experience, and a number that annoys people loses access.

The most common case when selling is a sales team writing from the app: broadcast lists, the same message pasted to dozens of customers or an extension that sends messages on its own. The app is not built for that, and its terms forbid it.

CauseWhere it happensWhy WhatsApp penalizes it
Bulk or automated sendingWhatsApp or WhatsApp Business appThe terms of service forbid bulk messaging, auto-messaging and auto-dialing
Modified versions or unofficial toolsApp, with extensions or third-party appsThey break the terms of service and often end in the account being banned
Messages to people who did not give consentApp and APIThe business policy requires opt-in before you message someone first
Many blocks and reportsApp and APIThey are the main signal used to measure a number's quality
Ignoring people who opt outApp and APIThe policy requires honoring every request to stop receiving messages
Products or content that are not allowedAPIViolations of the commerce and messaging policies restrict the account for days or permanently

Based on WhatsApp's terms of service, the WhatsApp Business Messaging Policy and Meta's developer documentation.

Restricted account

Restricted WhatsApp Business account: what each notice means

On the API, Meta does not ban out of the blue: it first sends a warning with the details of the policy you violated and, if violations repeat, restrictions grow in duration. This is the ladder Meta publishes, from the mildest notice to the most severe.

The notice reaches you in three ways: a banner in WhatsApp Manager, an email to the business portfolio admins and, if your system listens for it, the account_update webhook, which carries the restriction type and how long it lasts. The details of each violation are in Business Support Home in Meta Business Suite.

What you seeHow long it lastsWay out
You cannot send marketing, utility or authentication templates, or add numbers to the account1 or 3 daysWait out the period, fix the sending that caused the violation and, if it was a mistake, request a review
You cannot send any message or add numbers5, 7 or 30 daysWait out the period or request a review; not all spam violations can be appealed
Account lockedNo end dateOnly lifted by an appeal that Meta accepts
Removal from the platformPermanentComes after several warnings with no changes, or right away in cases of severe harm, such as a scam

Based on Meta's developer documentation on policy enforcement (2026). Reviews and appeals are decided by Meta, not by your provider.

How to appeal: in Business Support Home, select the messaging account and the violation, click Request Review and add the details that back you up. According to Meta, the decision usually arrives within 24 to 48 hours; if it reverses the violation, the account returns to its previous status.

The official API

Quality rating and messaging limits on the API

On the API, Meta does not wait to ban: it measures quality all the time and adjusts what the account can do. The rating has three levels (high, medium and low) and is based on the last seven days, with more weight on the most recent: how many people blocked or reported your messages and the reasons they gave.

The other control is the messaging limit: the number of different people the business can message first, with templates, over a rolling 24 hours. A new account starts at 250 and the limit goes up in tiers, all the way to unlimited, if quality is good and the business uses at least half of its limit. Replying to someone who writes first does not count against it.

When quality drops, the consequences come in steps:

  • Medium or low quality: the limit stops growing until quality improves.
  • Paused templates: a low-quality template is paused for three hours the first time and six the second; the third time, it is disabled.
  • Marketing that does not arrive: Meta caps the marketing messages each person receives, counting all businesses, and holds back the ones over that cap.
  • Policy restrictions: depending on severity and repeat violations, the account cannot send templates for one or three days, cannot send any message for five, seven or thirty days, gets locked until an appeal or is removed from the platform.

Why the API protects sellers better: not because the number cannot be restricted, but because the rules are explicit and warn you before cutting you off: quality shows up in WhatsApp Manager, changes are notified and there is time to fix things. In the app, the first warning is usually the ban.

Not a restriction

Three API limits that are not a restriction

Not everything that slows your sending is a penalty. The API has three limits that apply even when the account is in good standing, and it pays to tell them apart before you panic: you do not appeal any of them; they go up with good quality, or you wait them out.

To move up the tiers step by step, see the messaging limits glossary entry, and for what Meta measures before it gives you more room, the quality rating entry.

LimitWhat it holds backHow it goes up
Messaging limitThe number of different people the business messages outside the customer service window in a rolling 24-hour period. It belongs to the business portfolio and all its numbers share itIt starts at 250 and moves to 2,000 when the business gets verified or messages 2,000 different people within 30 days with high-quality templates, and Meta approves the quality of its messages; after that it goes up to 10,000, 100,000 and unlimited, one level within 6 hours, if quality is good and at least half of the limit was used in the last 7 days
ThroughputMessages per second for each number: 80 to start, and a fixed 20 if the number is also used in the app. Above that, the API returns error 130429Up to 1,000 per second, at no cost, when the number meets Meta's conditions
Template pausingA low-quality template is paused for three hours the first time and six the secondThe third time it is disabled: you have to fix the sending or create another template

Based on Meta's developer documentation on messaging limits, throughput and template pausing (2026).

Best practices

Seven best practices for selling on WhatsApp without getting blocked

None of these practices is a trick: they are what Meta asks for in its policies and what it measures in quality. What protects the number is the same thing that protects the sale.

If you also run campaigns, the rules of bulk marketing (opt-in, templates and personal data laws) are in WhatsApp marketing and compliance.

  • Recorded consent: only message people first if they agreed to hear from you, and record in the CRM when and where they agreed.
  • The API for reaching many: no mass lists from the app or a rep's phone; messages to many customers go out with approved templates.
  • Useful messages: a notice that the order shipped or a follow-up on a requested quote is welcome; a generic promotion to the whole base is not.
  • Reasonable frequency: messaging the same person again and again without a reply is the fastest way to get blocked.
  • Instant opt-out: if someone asks you to stop, honor it right away and record it.
  • Fast replies: a customer who writes and gets no answer gets frustrated; an agent that replies in seconds makes the channel service, not noise.
  • A company number: selling from personal phones multiplies the risks and leaves the history outside the CRM.
If it already happened

What to do if your WhatsApp number is already blocked

First, do not make it worse: do not open another account with another number to keep sending the same thing, because the problem comes back. After that, it depends on where the number was: if it was on the API, the restriction ladder and the appeal are covered above, in the section on what each notice means; if it was on the app, the way back is to request a review from the app itself.

SituationWhat to doWhat to change afterwards
Banned app numberRequest a review from the app itself if you think it was a mistake; WhatsApp reviews one number per request and sending several does not speed things upStop bulk sending and unofficial tools, and move sales to the API
Paused template on the APIStop the campaigns that use it and review who it went to and with what textSegment better, lower the frequency and make opting out easy
Low quality on the APICheck in WhatsApp Manager which templates and sends caused the blocksOnly message opted-in contacts first, with messages that are useful to them
Account restricted for a policy violationSee the violation details in Business Support Home and, if it was a mistake, request a review from thereFix the content or product that breaks the policy before sending again

Based on the WhatsApp Help Center and Meta's developer documentation. Reviews and appeals are decided by Meta, not by your provider.

Step by step

How an AI agent sells without putting the number at risk

Most sales conversations are started by the customer. A well-configured agent builds on that and messages first only when it should.

1

Replies to whoever writes

Answers within the 24-hour window, with no template and without using up the messaging limit.

2

Records consent

When the customer agrees to receive notices or follow-ups, it logs that in the CRM with the date and the channel.

3

Writes first with a template

Follow-ups and notices outside the window go out with approved templates, only to people who gave consent.

4

Honors opt-outs

If the customer asks to stop receiving messages, the agent confirms it and flags it in the CRM so nobody writes to them again.

5

Hands off what isn't sales

A complaint or a sensitive issue goes to a person with the full context, before the customer gets upset.

6

Tracks quality

The number's quality rating and template status are reviewed every week, alongside the sales metrics.

Meta's rules

The WhatsApp API rules, by the numbers

Figures from Meta's official documentation for the API. They are platform rules, not Sellium results.

250

Different people a day that a new business can message first, with templates; it goes up in tiers to unlimited

Source: Meta for Developers (2026)

3 hours

Of pause for a low-quality template the first time; the second time it is six and the third time it is disabled

Source: Meta for Developers (2026)

Up to 30 days

Without being able to send any message, in the restrictions for repeat violations, before the account is locked

Source: Meta for Developers (2026)

24 to 48 h

How long Meta usually takes to decide an appeal requested from Business Support Home

Source: Meta for Developers (2026)

Caveats: these are rules of the WhatsApp Business Platform (the API). The WhatsApp Business app does not publish thresholds: it applies its terms of service and evaluates each account's behavior. Meta updates these rules often; check the current ones in its documentation.

Frequently asked questions

Frequently asked questions about WhatsApp number bans

What sales teams selling on WhatsApp ask, before or after a ban.

Why did WhatsApp ban my business number?

Because its activity looked like spam or broke WhatsApp's terms. The most common reasons are bulk or automated sending from the app, messages to people who did not give consent, many blocks or reports from users and the use of unofficial versions of the app. WhatsApp does not spell out the exact reason in each case.

What does a restricted account mean on WhatsApp Business?

It means Meta limited what your API account can do for violating its policies, for example with spam or miscategorized templates. Depending on how often violations repeat, you cannot send templates for 1 or 3 days, you cannot send any message for 5, 7 or 30 days, or the account is locked until an appeal. The details of each violation are in Meta's Business Support Home.

How do I remove the restriction on my WhatsApp Business account?

If you think it was a mistake, go to Business Support Home, select the violation and click Request Review: according to Meta, the decision usually arrives within 24 to 48 hours. Not all spam violations can be appealed, and in those cases you have to wait for the period to end. Either way, fix what caused the violation before you send again.

How long does a WhatsApp ban last?

It depends on where the number was. In the app, some bans are temporary and others permanent, and the way to reverse one is to request a review from the app itself. On the API, policy restrictions grow with each violation: 1 or 3 days without templates, 5, 7 or 30 days without any message, a lock until you appeal and, in the end, removal from the platform.

How do I get a blocked WhatsApp number back?

If you think it was a mistake, request a review from the app itself: WhatsApp reviews one number per request and sending several does not speed up the answer. On the API, you request the review from Meta's Business Support Home. Either way, change how you send before you start again.

Does the official API keep my number from being blocked?

It lowers the risk a lot, but it is not insurance: an API number can also be restricted if it sends spam or breaks the policies. The difference is that the rules are explicit, quality is visible in real time and there are warnings first, like a limit that stops growing or a paused template, before a restriction.

How many messages can I send a day without getting blocked?

The app has no published number: WhatsApp evaluates behavior, not a quota. On the API, the limit counts the different people you message first with templates over 24 hours: it starts at 250 and goes up to 2,000, 10,000, 100,000 and unlimited based on quality and volume. Replying to someone who writes to you does not use it up.

How much does selling on WhatsApp with Sellium on the official API cost?

Sellium is priced in two parts: an initial implementation quoted for each company, which includes the setup on the official API and the integration with your systems, and a monthly subscription with expandable AI credits, with no lock-in. You pay Meta directly for WhatsApp messages, on your own account and with no markup from us. For your case, request a quote.

Sell on WhatsApp without putting your number on the line

Tell us how you sell on WhatsApp, from how many numbers and whether you have already had a ban. We will show you how Sellium would handle your conversations on the official API, within Meta's rules.

Francisco Morales, co-founder of VantegrateFrancisco Morales, co-founder, takes your call. We reply on WhatsApp within 4 business hours, no strings attached.