How Banking, Finance, and Insurance Company Build the Best Customer Experience on WhatsApp?

WhatsApp Business Platform enables that experience in a single, persistent thread: proactive Utility messages (transactional updates and reminders) and Authentication messages (OTP/verification) that help customers complete sensitive actions quickly and securely.

WhatsApp in FinTech industry

WhatsApp is already widely adopted across the financial sector, often starting with marketing or inbound support. The opportunity now is to move from “campaign-only” messaging to a complete lifecycle approach:

• Acquire (click-to-WhatsApp ads / inbound entry points)
• Convert (guided flows, agent handoff)
• Serve (utility notifications and support)
• Protect (authentication and risk alerts)
• Retain (re-engagement and value messages)

Why does this matter? Consumer research commissioned by Meta has found that many people view business messaging as quick/easy, convenient, and trust-building, which is exactly what FinTech CX must deliver.

Why and how Utility and Authentication Messages Drives Better Results

Utility and authentication use cases are “expected messages”, the kind customers want because they reduce uncertainty and effort: confirmations, reminders, status updates, and secure verification.

Utility and Authentication messages perform because they align with customer preference and have measurable outcomes.

Customers actively prefer WhatsApp for transactional updates

Channel preference is especially strong for two FinTech-critical updates:

• 71% of customers prefer receiving bill payment reminders via WhatsApp
• 63% prefer receiving payment confirmations on WhatsApp

These are not “nice-to-have” notifications, but directly reduce uncertainty (“Did it go through?”) and prevent late payment outcomes, while lowering inbound contact volume.

Utility + marketing together improves engagement and reduces negative signals

The goal is not “Utility instead of marketing,” but Utility + marketing in one coherent lifecycle (onboarding → usage → service → retention).

• Conversations containing both marketing and non-marketing messages achieve ~20% higher read rates and generate 40% fewer negative feedback.
• The most requested functions include order tracking (45%) and appointment reminders (30%).
• Businesses that combine utility with marketing messages achieve up to 2x higher click-through rates.
• When at least 9% of API messages are utility-based, CTR increases by 60%.
• Conversations with more utility messages than marketing ones show higher read rates and lower complaint rates.

How it Tackles the common FinTech Pain-points

Painpoint 1: Scattered customer communication (mail, email, phone call)

Traditional channels create fragmented experiences: one system for OTP, another for receipts, another for service tickets. WhatsApp consolidates the journey in a single conversation thread, with rich interactions (buttons, lists, in app browser).

Painpoint 2: Compliance and regulation

In multiple markets, regulators have penalized financial institutions for off-channel business messaging (often on personal devices) where communications were not properly retained or supervised. These enforcement actions are a clear example of how expensive “off-channel” communication can become.

Using the official WhatsApp Business API allows financial institutions to run communications through approved systems such as CRM or contact center, with compliant logging, role-based access control, and encrypted interactions, rather than relying on unmanaged 1:1 staff chats. Fraud detection and account verification can also be integrated directly within WhatsApp, so both service and security can be managed within one governed channel.

Painpoint 3: Difficulty to get personalised at scale

FinTech personalization often breaks down at the last mile: customers abandon onboarding, miss repayments, or drop off during identity checks due to delays and friction across the journey.

Meta-commissioned research has shown materially higher conversion rates for business messaging experiences compared with channels like SMS and email:

• 53% higher conversion rate vs. SMS
• 61% higher vs. email
• 87% higher vs. other apps

Value and Use of Utility and Authentication Messages on WhatsApp

Utility Messages: Real-Time Transactional Communication

Utility messages are non-promotional, customer-expected updates that help people complete or manage a service.

High-value FinTech use cases

• Application milestones: “Received → Under review → Approved/Rejected”
• Payment confirmations and receipts
• Repayment reminders and installment schedules
• Card/account alerts (spend, limits, unusual activity)
• Policy and claim status updates (insurance)
• Appointment reminders (branch visit, KYC call, advisor session)

Benefits

• Strengthen account security with automated notifications for transactions, password updates, and suspicious activities.
• Build customer trust through transparent, real-time communication.
• After a service event, customers are often more receptive to relevant next steps and cross-sell offers.

Utility Success Case: UA Finance

UA Finance (Hong Kong) worked with Sanuker to re-engage customers on WhatsApp with personalized offers and a streamlined application experience using WhatsApp Flows. After the lead is converted, they adopted WhatsApp Utility Messages to send loan application updates and payment confirmations, resulting a faster customer service resolution and improved satisfaction through instant, automated updates.

A common next step for FinTech teams adopting similar journeys is to extend beyond acquisition into utility updates across the rest of the lifecycle (application status, disbursement confirmation, repayment reminders), keeping customers informed without forcing them into call queues or email threads.

Authentication Messages: Secure, Trusted Verification

Authentication Messages are used for two-factor authentication (2FA) by sending one-time passwords (OTP), account verification, and login confirmation.

Why FinTech teams adopt WhatsApp for authentication messages

• Fast delivery and reduced friction, with <5-second latency.
• Advanced UX options, such as one-tap and zero-tap verification flows, make it easy for users to log in after receiving a message. Configurable time-to-live (TTL) controls help ensure expired codes do not create confusion.
• Strong security, with end-to-end encryption for messages. Authentication messages are delivered only to the user’s primary device, and message forwarding and copying are disabled.
• Delivery-based pricing, where charges apply only when the message is delivered—often more efficient than channels that charge per send regardless of outcome.

FinTech use cases

• New account onboarding / identity verification
• High-risk action approval (beneficiary add, payout change, password reset)
• Login OTP for web/app
• Step-up authentication during suspicious activity
• Shape

Tips for the Best Customer Journey on WhatsApp

Design the journey as a lifecycle, not a campaign

Start enhancing your customer experience today

Partner with Sanuker, a Meta Business Partner, to build your next WhatsApp CX journey: covering Utility + Authentication templates, end-to-end journey design, and integration with your CRM/contact center.