minimothBlog
Notes on OTP delivery, DLT compliance, and building auth for Indian developers.
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