minimothBlog
Notes on OTP delivery, DLT compliance, and building auth for Indian developers.
What Is Branded WhatsApp OTP? (And How It Works on MiniMoth)
Branded WhatsApp OTP means your users see your own WhatsApp Business number, not a shared provider number, when they receive a login code. Here's what it is and how it works on MiniMoth, with automatic SMS fallback.
12 September 2026
WhatsApp + SMS OTP for Auth0 in India
Auth0's custom phone provider needs you to build your own delivery backend. MiniMoth is a drop-in one — WhatsApp first, SMS fallback automatic, DLT compliance included — via a small Action you paste into your Auth0 tenant.
3 September 2026
MiniMoth vs Firebase Phone Auth: OTP Pricing for Indian Developers
A breakdown of what Firebase's Identity Platform actually charges per phone auth SMS for Indian numbers, and where MiniMoth's ₹0.35 flat rate fits in.
21 August 2026
MiniMoth vs Twilio: OTP Pricing for Indian Developers
A breakdown of what Twilio's Verify API and Programmable Messaging actually charge per OTP for Indian phone numbers, and where MiniMoth's ₹0.35 flat rate fits in.
21 August 2026
MiniMoth as a Phone Verification API — No Sessions
MiniMoth isn't just a full auth replacement. If you already have your own auth system, you can use it purely to confirm a phone number and ignore its session tokens entirely.
3 August 2026
WhatsApp + SMS OTP for Supabase Auth in India
Building for Indian users on Supabase? MiniMoth plugs into Supabase Auth's Send SMS Hook to deliver OTPs over WhatsApp first, SMS fallback automatic — no app code changes, just a two-field dashboard setup.
23 July 2026
MiniMoth vs Clerk: OTP Pricing for Indian Developers
A breakdown of what Clerk actually charges per OTP for Indian phone numbers, and where MiniMoth's ₹0.35 flat rate fits in.
14 July 2026
Send OTP via WhatsApp Without DLT Registration
WhatsApp OTP delivery goes through Meta's Cloud API, not the TRAI DLT system SMS requires — here's how to send your first WhatsApp OTP without registering a DLT sender.
14 July 2026
Why Your OTP Doesn't Need Your Brand Name
A common worry when adopting a third-party OTP provider: will users trust a message that doesn't show my brand? Here's why the sender name matters less than you think — and what to do instead.
14 July 2026