WhatsApp and Telegram in the Campaign: How to Build Voting Elector Communities

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An Instagram follower sees your content when the algorithm decides. A YouTube subscriber watches if the title appeals to them. A voter on a WhatsApp broadcast list receives your message directly on their phone's lock screen.

The difference between these three situations is the difference between hoping to be seen and having guaranteed attention.

In 2026, WhatsApp remains the most used app in Brazil, with over 150 million active users. Telegram has grown as an organizational alternative, especially among younger and more digitally sophisticated audiences. No campaign aiming to win an election can ignore these platforms.

However, there is a chasm between being on WhatsApp and using WhatsApp as a campaign tool. Most campaigns fall into the first group. This article shows how to reach the second.

Why WhatsApp and Telegram are Different from Social Media

Social media is media. WhatsApp and Telegram are relationship infrastructure.

On Instagram, you publish for an audience. On WhatsApp, you converse with a community. The fundamental difference lies in three factors:

Guaranteed reach. A post on Instagram reaches between 3% and 12% of followers organically. A message on a WhatsApp broadcast list reaches 95% or more. The algorithm does not mediate delivery: the message arrives.

Trust environment. WhatsApp is perceived as a personal space. A campaign message that arrives there carries a different weight than an ad in the feed. The voter is more receptive to arguments because the context is conversation, not broadcast.

Mobilization capacity. WhatsApp groups and Telegram channels organize coordinated action. Content sharing, event calls, campaign material distribution. No social media has the same capacity to transform an audience into coordinated movement.

The Hierarchy of Channels: Which to Use for What

An organized campaign uses at least three layers of communication on WhatsApp and Telegram:

Broadcast List (WhatsApp)

The broadcast list is the candidate's unilateral communication channel with their base. It works like a newsletter that arrives via WhatsApp: the voter voluntarily subscribes and receives direct updates from the candidate.

Current limit: 256 contacts per list. For larger campaigns, it is necessary to use multiple lists or a solution via WhatsApp Business API.

What to send in the broadcast list:

• Daily campaign updates (1 to 2 messages per day, maximum)
• Invitations to events and live sessions
• Exclusive content not shared on social media
• Specific calls to action: share a video, attend an event, contribute as a volunteer

What not to send: spam, chain messages, unverifiable content, more than 3 messages per day.

WhatsApp Groups

Groups are the mobilization engine. Unlike the list, communication here is multilateral: the candidate or team speaks, but supporters also talk among themselves.

Group management requires structure and moderation. An unmoderated group becomes chaotic in 48 hours. An overly moderated group turns into a wall of complaints in 72 hours.

Recommended group structure for a medium-sized campaign:

Each layer has different rules, rhythm, and content. The coordination group receives advance information about the strategy. The supporters' group receives ready-to-share content.

Golden rules for groups:

1. Clear and stated objective in the group description.
2. Active moderation with 2 to 3 dedicated people (rotation).
3. Daily content posted by the team at a fixed time.
4. Zero tolerance for fake news, offenses, and topic deviation.
5. Internal reporting channel for members to report problems.

Telegram Channels

Telegram offers transmission channels with no limit on subscribers, native polls, customizable bots, and personalized stickers. It is the preferred platform for campaigns targeting younger and digitally organized audiences.

Structural advantages of Telegram:

• Transmission channel with no limit on members
• Opinion polling with native polls (important for testing messages)
• Bots for automating frequently asked questions and screening supporters
• Custom candidate stickers and emojis (may seem trivial, but it's a viralization tool)
• Channels segmented by theme or region

WhatsApp Community (native feature)

WhatsApp launched Communities, which allows grouping up to 50 groups under a common umbrella, with an announcement channel that reaches all members simultaneously.

For campaigns, the ideal structure is: a main community for the candidate, thematic groups within it (youth, health, education, neighborhoods), and the announcement channel used for the most important messages — at most one per day.

How to Build the Base: From Follower to WhatsApp Contact

The biggest mistake campaigns make is treating WhatsApp capture as "just leaving the number in the bio." This brings low volume and cold leads.

Building a base follows a progressive funnel logic:

Step 1: Public Content that Builds Trust

Before asking for the voter's WhatsApp, you need to have delivered value. Content on social media builds initial trust. Those who reach the point of wanting your WhatsApp have already gone through several of your contents and decided they want more proximity.

Step 2: Value Offer as Bait

No one signs up for WhatsApp "to receive campaign news." People sign up to receive something specific and valuable:

• "Receive the week's campaign agenda first"
• "Join the discussion group on the government plan"
• "Early access to the launch event"
• "Exclusive behind-the-scenes content not shared on social media"

The offer needs to be concrete, specific, and of immediate perceived value.

Step 3: Capture with Landing Page or Chatbot

The ideal technical flow:

1. Link in bio or story leads to capture landing page.
2. Landing page asks for name, city, and WhatsApp.
3. System automatically adds to the correct broadcast list or group.
4. Automatic welcome message with the first value delivery.
5. Scheduled nurturing sequence for the first 7 days.

This is where KaizenCRM comes in: a system that automates this entire flow, from capture to segmentation to nurturing. For campaigns with more than 500 contacts, doing this manually is unfeasible.

Step 4: Engagement with Polls and Real Conversation

The broadcast list cannot be just a broadcast. The voter needs to feel that there is a conversation, even if asymmetrical.

Weekly polls are the most underestimated tool on WhatsApp for campaigns: "What topic do you want us to delve into this week?", "Which proposal from the government plan interests you the most?", "Which neighborhood should we visit next Saturday?"

Besides engaging, the poll generates data on what your base truly values. Information that feeds the content strategy.

Automation that Works: Chatbots and Cadences

A campaign with more than 1,000 contacts on WhatsApp cannot be operated manually. Automation is necessary. But poorly done automation burns the base faster than silence.

First Contact Chatbot

The chatbot does not replace the candidate. It replaces the initial screening. Functions:

• Automatically respond to frequently asked questions (proposals, agenda, how to participate)
• Classify the contact by topic of interest and region
• Forward to human support when necessary
• Collect data that feeds the campaign CRM

Nurturing Cadence

Nurturing is the scheduled sequence of messages that keeps the voter engaged over time. A typical 30-day cadence:

This cadence maintains presence without overwhelming. The voter receives relevant content every 2 to 4 days, alternating formats and objectives.

WhatsApp Business API for Large-Scale Campaigns

For major campaigns (governor, senator, president), the free version of WhatsApp does not scale. It is necessary to implement WhatsApp Business API.

The API allows:

• Sending to unlimited contact lists
• Direct integration with CRM
• Complete automation of incoming and outgoing messages
• Detailed metrics on delivery, reading, and response
• Multiple attendants on the same number

The investment exists, but for campaigns with a base of over 10,000 contacts, it is the only professional path.

What Not to Do on Campaign WhatsApp

Do not buy contact lists. Besides being unethical, cold contacts report as spam, and your number may be banned from the platform. Build your base organically or do not build it at all.

Do not send chain messages. "Forward to 10 people and do good" destroys credibility in 3 seconds. Your content needs to be good enough for people to share because they want to, not because they were coerced.

Do not turn the group into an outdoor. A group where only the team posts and no one can respond becomes a digital graveyard. The value of the group lies in conversation, not in broadcast.

Do not ignore received messages. Nothing burns trust faster than a candidate who asks for WhatsApp but never responds. For every 100 received messages, a percentage needs to be responded to personally. The rest can be handled with a chatbot, but the voter needs to feel that someone is listening.

Do not send long audio messages at dawn. It seems obvious, but campaigns frequently make this mistake. WhatsApp messages need to respect the voter's personal context. Business hours, appropriate duration, conversational tone.

Community Metrics that Matter

Unlike social media, where vanity reigns, WhatsApp and Telegram have metrics of real engagement:

• Open rate: on WhatsApp, it is close to 98% for small lists, decreasing as the list grows. Below 70% indicates that your base is saturated or disinterested.
• Sharing rate: how many contacts from your base actively share your content. This is the golden metric: it indicates that your base is not passive.
• Response rate: how many voters respond to polls and interact. Below 5% indicates a cold base.
• Opt-out rate: how many voluntarily leave the list. Above 3% per month raises an alert for excessive frequency or low relevance.
• Time to first action: how long between registration and first active interaction (responding to a poll, attending an event, sharing content). Above 14 days indicates weak nurturing cadence.

FAQ

Can I use my personal number for the campaign?

For a city council or mayoral campaign in a small town, yes. For any campaign above that, separate a dedicated campaign number. Mixing personal life with campaign communication creates confusion, overload, and digital security risks.

What is the ideal size for a WhatsApp group?

For productive groups, up to 200 participants. Above that, conversation turns into noise, and moderation becomes unfeasible. For larger communities, use the WhatsApp Communities feature, which groups multiple smaller groups under a common structure.

Is it worth investing in Telegram if my base is all on WhatsApp?

It depends on your electorate's profile. If your base is under 35 years old and has an active digital profile, yes. Telegram offers functionalities that WhatsApp does not, and the coexistence of both platforms is the standard strategy for well-organized campaigns. Telegram serves as a content and organization hub; WhatsApp as a mobilization and direct relationship channel.

How to deal with fake news in groups?

With three layers of defense: active moderation (immediate removal of false content), base education (teaching to verify before sharing), and rapid response (official fact-checking channel for the campaign). Fake news is not fought with silence or argument: it is fought with better and faster information.

Do I need a CRM to manage campaign WhatsApp?

For any campaign with more than 500 contacts, yes. WhatsApp alone does not segment, measure, automate, or scale. A CRM like KaizenCRM integrates WhatsApp, organizes the base by region and interest, automates nurturing cadences, and generates engagement reports. Without CRM, you are doing mass communication in the dark.

Conclusion

WhatsApp is not an auxiliary campaign channel. In 2026, for most candidates, it is the main channel for voter relationship. Social media builds audience; WhatsApp builds community. And community votes.

But community does not build itself. It requires a capture strategy, intelligent automation, relevant content, and real metrics. The difference between a campaign with 5,000 followers on Instagram and one with 5,000 engaged contacts on WhatsApp is the difference between reach and vote.

Kaizen Agency operates complete management of digital communities for campaigns: from capture strategy to KaizenCRM with integrated WhatsApp, through the production of specific content for each layer of your messaging ecosystem.

[I want to build voting communities →](/solucoes/gestao-de-midias-sociais)

Author: Walter — Content Strategist, Kaizen Agency

Review: Rita Lee — SEO and Inbound Marketing

Published on: 06/27/2026