Why You Should Switch from SMS to WhatsApp OTPs

SMS OTPs are notoriously unreliable, subject to high delivery latencies, and vulnerable to SIM swapping. WhatsApp Authentication templates offer a modern alternative.

Benefits of WhatsApp OTPs

• Higher Delivery Rates: WhatsApp messages bypass telecom carrier filters.
• End-to-End Encryption: Messages are encrypted, making them vastly more secure than plain-text SMS.
• Cost-Effective: In many regions, WhatsApp Authentication templates are cheaper than SMS.
• Better User Experience: Features like the "Copy Code" button make the login process frictionless for end-users.

With Tether Flow's robust API, integrating WhatsApp OTPs into your existing login flow takes just a few lines of code.