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Two things decide how many messages leave your number: the quality rating Meta assigns to it and the daily limit Nexor grows it through. This page explains both, what counts against the limit, and what happens to a lead when WhatsApp cannot deliver.

Account quality

Meta rates every number by how the people receiving your messages react. Blocks, reports, and replies along the lines of “I don’t want this” lower the rating. Nexor checks it every hour and shows it in Integrations → WhatsApp, next to the number. There are four possible values: green, yellow, red, and no rating yet (normal on a freshly connected number). When quality drops, Nexor slows down on its own, without you having to do anything:
No quality state stops sending completely on its own. Slowing down gives the account room to recover; it does not replace reviewing who you are messaging.
If quality has dropped to red, what brings it back is stopping messages to audiences that do not expect them. Pause promotional campaigns, clean the list, and resume only with contacts who agreed to be contacted.

Daily sending limit

A new number does not start at full capacity. Nexor grows it week by week, because a number that starts sending thousands of messages on day one is the pattern Meta penalizes. A number you were already using in the WhatsApp Business App starts higher because it arrives with reputation already built at Meta. Meta’s limit always wins. Meta assigns each account its own messaging ceiling, and Nexor sends whichever is lower between its curve and that ceiling. If Meta raises your ceiling you get the benefit; if Meta lowers it, Nexor goes down with it.
The daily limit is always active on customer numbers. It is not a setting that can be turned off.

What counts against the limit

The limit counts templates: the messages that open a conversation, or reopen it after the 24-hour window has closed. Replies inside an already open conversation do not count. If the lead messaged you and you are having a conversation, that does not consume your allowance. Reminders for something the lead already asked for — a meeting they booked, a registration they completed — do not compete for the allowance either.
Labeling a template as Utility does not get you around the limit. The category changes how Meta charges you and how likely delivery is, not Nexor’s allowance.

What happens when you hit the cap

Messages are deferred, not dropped. They are retried in the next contact window you configured, spread out over time so they do not all go out at once. Two consequences worth keeping in mind:
  • Messages are never sent outside your configured hours to gain allowance. If the cap filled at 3 in the afternoon, the rest waits for the next day inside your window, not for midnight.
  • A lead is never marked as contacted without a real message going out. If the allowance was full, the lead is still pending first contact.
If a campaign is taking longer than you expected, the daily limit is the first thing to check. A list of 2,000 leads on a number in its first week is several days of sending, not one afternoon.

When a message cannot be delivered

WhatsApp can refuse delivery to a specific person: a number that no longer exists, someone who blocked you, a number entered incorrectly. When that happens to a lead:
  • The lead is marked unreachable on WhatsApp, with the reason.
  • Whatever was pending on that channel is cancelled. Anything on the other channels stays in place.
  • The agent tries another channel: call first, then email, then SMS, depending on what is connected and what the lead has on file. If one attempt does not reach them, it moves to the next.
  • Your account, your number, and your agent are not paused. Every other lead keeps working normally.
Only a real inbound message from that person re-enables WhatsApp for them. That does not override an opt-out they requested: see Consent and opt-out.

Where you see it

On the lead’s detail view you see the last failed attempt with its channel, date, and reason, and the disabled channels with their reason. On the pipeline board the lead appears marked as unreachable on WhatsApp. If you see several unreachable leads from the same import, the problem is usually at the source: numbers without a country code, shifted columns, or an old list. Fixing the source is worth more than retrying.

Next steps

Consent and opt-out

How a lead opts out and what they stop receiving.

Troubleshooting

Connection, verification, number status, and Meta payment issues.
Last modified on September 13, 2026