# WhatsApp Marketing: bulk campaigns that convert Canonical: https://www.manycontacts.com/en/blog/whatsapp-marketing-campaigns/ Published: 2026-08-28 **WhatsApp Marketing** is using the API and [templates](/en/blog/whatsapp-business-templates/) to talk to many customers at once: promotions, intakes, carts, reminders. Open rates sit around **98%**. That does not mean you should write to everyone who ever gave you a phone number. This guide is the method for campaigns that convert **and** keep the number in high quality. ## API or nothing With the WhatsApp Business app you can run short broadcast lists. That is not a marketing channel. It cuts off, there is no real analytics, and you mix a sales rep's personal number with 800 broadcasts. Real campaigns come from a [WhatsApp CRM](/en/blog/crm-whatsapp/) connected to the [API](/en/blog/whatsapp-business-api-what-it-is/). In ManyContacts: segment → template → send → replies land in the [inbox](/en/blog/shared-whatsapp-inbox/). ## Opt-in: the rule everyone fakes Opt-in is not "it's in my spreadsheet". It is that the person **accepted** WhatsApp from your brand. Valid examples: - Checkbox on the form ("I agree to updates on WhatsApp"). - The customer wrote first and you asked permission for alerts. - In-store signup with a sign and a signature / QR. Invalid examples: - A 2019 event list. - Numbers from an ad selling "qualified databases". - Email customers you never mentioned WhatsApp to. Without opt-in, the most creative campaign is suicide for the number. Meta measures blocks. The law (LSSI / GDPR) exists too. ## Anatomy of a campaign that works 1. **One goal.** Appointments, not "engagement". Seats, not "branding". 2. **A small, precise segment.** 400 from one intake, not 12,000 from all of history. 3. **A clear marketing template**, one name variable, one CTA. 4. **Team or AI ready** for replies in the next 30 minutes. 5. **Human hours.** 10:00–13:00 or 17:00–19:00. Not Sunday at 23:40. The classic mistake is firing 8,000 messages at 9:01 and three sales reps panic. Or nobody shows up and the AI is off. ## Campaign ideas by industry (with permission) - **eCommerce**: cart at 1 h / 24 h. Guide: [recover abandoned carts](/en/blog/recover-abandoned-carts-whatsapp/). - **Academies**: "8 seats left in the afternoon group." Landing: [training](/en/training-centers/). - **Dealerships**: a unit back in stock, financing approved. [WhatsApp for car dealerships](/en/blog/whatsapp-for-car-dealerships/). - **Clinics**: check-up reminder (utility, not a promo in disguise). - **Real estate**: "The Usera flat dropped €8,000" only to people who asked for that area. If the message could be a generic newsletter email, it is not ready for WhatsApp. ## Metrics: do not stop at 98% open rate WhatsApp opens almost everything. Measure: - **Delivered / read** (channel health). - **Replies**. - **Clicks** if there is a URL button. - **Appointments or orders** attributed to that campaign. - **Opt-outs and blocks** (if they rise, you stop). A campaign with 40% reads and 0.3% blocks can be better than one with 90% reads and 4% blocks. The second one shuts the tap. ## Number quality and limits Meta assigns you a **tier** of unique recipients per day. You start low and climb if quality holds. Burning the tier in month one is textbook. Scale gradually: 200, 500, 2,000. Do not ask for the jump to 50,000 on a lukewarm list. If quality drops to **medium** or **low**: 1. Stop marketing campaigns. 2. Keep utility only (appointments, shipments). 3. Clean the list (inactives, complaints). 4. Review the copy. ## Campaign + conversation (the real funnel) The template does not close. It opens. The value is in the replies: - [AI](/en/blog/whatsapp-ai-agents/) filters "how much is it?" and "I'm no longer interested". - The human steps in on "I want a seat / I want a viewing". - The kanban moves. If the campaign creates no cards, you only made noise. That is WhatsApp Marketing as product, not vanity. ## Checklist before you hit send - [ ] Documented opt-in. - [ ] Template approved in the right category. - [ ] Segment < 20% of the list, unless it is utility. - [ ] Inbox covered (people or AI). - [ ] UTM link if there is a URL. - [ ] Opt-out wording. - [ ] Number quality in green. ## A realistic calendar for month one - Week 1: clean opt-in. One template. A segment of 200. Measure blocks. - Week 2: same template, 500. Adjust time and first line. - Week 3: second campaign (utility: reminders), not another promo. - Week 4: look at revenue or appointments, not vanity. Decide whether to scale or stop. Whoever publishes "12 WhatsApp newsletters a month" on day 1 is usually off the number by day 20. ## Team and shifts on send day Assign a Slack/Teams channel: "campaign is live". A human watches the first 20 threads in case the copy was misread. AI covers the rest. If at 15 minutes there is a repeated complaint ("I never signed up"), you stop. Cheaper than arguing with Meta the week after. ## Next step Pick **one** useful campaign this week, not a calendar of 12 sends. [Create the account](https://app.manycontacts.com/register) or [book a demo](https://calendar.app.google/PH1wtumtQQwLGz756) and we launch it on a clean list.