WhatsApp for recruitment — how to use it legally and effectively

Why WhatsApp works for recruitment

I built the WhatsApp integration in Recruitly, and the data is clear. Candidates respond to WhatsApp messages within minutes. Emails sit unread for days. For a recruiter, speed of response is everything. The faster a candidate replies, the faster you fill the role.

WhatsApp has over 2 billion users globally. In the UK, India, Middle East, and most of Europe, it's the default messaging app. Your candidates already have it open. You're not asking them to check another channel. You're meeting them where they already are.

The legal requirements

Before you message anyone, you need to get the compliance right. If you recruit in the UK or Europe, GDPR applies to WhatsApp messages just like it applies to emails. You need consent to contact candidates, and you need an easy way for them to opt out.

Every first message should include who you are, why you're contacting them, and how they can tell you to stop. This isn't just legal protection. It's professional. Candidates respect recruiters who are upfront about how they got their number and what they want.

Business API vs personal WhatsApp

There are two ways to use WhatsApp for business. The WhatsApp Business API requires Meta approval, pre-approved message templates, and charges a fee for every conversation. It's designed for large companies sending thousands of automated messages. Most recruitment CRMs that offer WhatsApp use this approach.

Recruitly does it differently. You scan a QR code with your personal WhatsApp and start messaging candidates from the CRM in about 10 seconds. No Business API approval process, which can take weeks. No per-message fees. No template restrictions. You type whatever you want, just like you would on your phone.

The setup is at whatsapp-integration. It takes less time to connect than it took you to read this paragraph.

Everything stays in the CRM

The biggest problem with using WhatsApp on your phone is that conversations are trapped there. Your colleagues can't see them. If you leave the agency, those conversations go with you. Nothing is logged against the candidate record.

When you message through Recruitly, every WhatsApp conversation appears on the candidate's timeline alongside their emails, calls, and notes. Your team can see the full communication history. You can run WhatsApp campaigns to groups of candidates and track responses in one place.

Practical messaging tips

Keep messages short. WhatsApp is a casual channel. Two to three sentences maximum. Save the detailed job description for email or a call.

Message during reasonable hours. Just because WhatsApp is instant doesn't mean you should send messages at 10pm. Stick to business hours. If you recruit across time zones, pay attention to the candidate's local time.

Personalise every message. "Hi, I have a role that might interest you" gets ignored. "Hi Sarah, I saw your experience with Kubernetes at Deloitte and I have a principal engineer role at a fintech in London" gets a reply.

Reply fast when they respond. If someone replies to your WhatsApp within five minutes, don't leave them hanging for a day. The whole point of using WhatsApp is speed. Match their energy.

When not to use WhatsApp

WhatsApp is great for initial outreach, quick updates, and scheduling calls. It's not the right channel for everything. Formal offer letters should go by email. Contracts should go by email. Anything that needs a paper trail or looks like a legal document should go by email. Salary discussions are better on a phone call.

Use WhatsApp to start and maintain conversations. Use email and calls for the formal milestones. Your campaign sequences can combine both channels. A WhatsApp message to gauge interest, followed by an email with the full job spec, followed by a call to discuss.

Getting started

If you haven't tried WhatsApp for recruitment yet, start small. Pick five candidates you've been struggling to reach by email and send them a short, personalised WhatsApp message. See what happens. Most recruiters who try it never go back to email-only outreach.

You can also read our guide on built-in email and SMS to see how all communication channels work together in one CRM.