Transactional for Fintech & Financial Services
Secure transactional communications for fintech. MFA, transaction alerts, compliance SMS, audit logging, and encrypted email delivery.
Modules for Your Stack
The Transactional modules most relevant to Fintech & Financial Services teams.
How Fintech & Financial Services Teams Use Transactional
2FA & MFA for Transactions
Time-based OTP, SMS verification, and step-up authentication for high-value operations like transfers and withdrawals.
Transaction Notification Emails
Instant receipts, payment confirmations, and balance alerts with guaranteed delivery and detailed tracking.
Compliance SMS Alerts
Real-time SMS notifications for suspicious activity, login attempts, and regulatory disclosures.
Audit Logging & Tracing
Immutable logs for every authentication event, email delivery, and API call to satisfy SOC 2 and PCI-DSS auditors.
Secure Custom Domains
Dedicated sending domains with DKIM, SPF, and DMARC enforcement to prevent phishing and spoofing.
Real Results
99.8%
Email delivery rate
<3s
OTP delivery latency
7 years
Audit log retention
Why Fintech Teams Choose Transactional
Financial services operate under strict regulatory requirements where every customer communication must be timely, secure, and auditable. A failed OTP delivery or a delayed fraud alert is not just a UX issue; it is a compliance liability. Fintech teams need infrastructure that treats security and deliverability as first-class concerns, not afterthoughts.
Transactional provides the auth, email, and SMS primitives that fintech products depend on, backed by infrastructure designed for regulated environments. Every event is logged with full trace context, making it straightforward to produce audit trails for SOC 2, PCI-DSS, and banking regulators.
Unlike stitching together Twilio for SMS, Auth0 for identity, and SendGrid for email, Transactional gives your compliance team a single vendor to evaluate and your engineering team a single SDK to maintain.
Key Modules for Fintech
Auth is the critical module: MFA, step-up authentication, and session management protect sensitive operations. Email handles transaction receipts and account alerts with sub-second delivery. SMS delivers OTP codes and fraud notifications where latency directly impacts security posture. Observability provides the immutable audit trails that regulators require, and Domains ensures your sending reputation stays protected with enforced DKIM, SPF, and DMARC policies.
Sources & References
- [1]Global Fintech Report 2026 — McKinsey & Company
- [2]PCI DSS v4.0 Requirements — PCI Security Standards Council