Guides on DLT compliance, WhatsApp Business API, RCS, voice and delivering millions of messages a day — written by the people who build TextNation.
Late or missing OTPs cost sign-ups and sales. Here are the nine most common reasons OTP SMS fails in India — from DLT template mismatches to shared queues — and how to fix each one.
TextNation Product Team18 October 2026
Every WhatsApp template is Marketing, Utility or Authentication — and the category decides what you can say, how Meta reviews it and what you pay. Here is how to choose right and avoid surprise recategorisation.
TextNation Product Team18 October 2026
RCS brings your brand name, logo, images, carousels and buttons to the phone’s default messaging app. Here is what RCS business messaging can do in India, how it compares with SMS and WhatsApp, and how to launch it with SMS fallback.
TextNation Product Team18 October 2026
A deep dive into the architecture behind high-throughput messaging — direct carrier peering, queue management, retry logic, and real-time delivery monitoring at scale.
TextNation Product Team20 May 2026
We analyse open rates, click-through rates, cost per conversion, and compliance overhead across both channels for Indian enterprise use cases.
TextNation Product Team10 May 2026
A step-by-step walkthrough of the TRAI Distributed Ledger Technology portal — entity registration, header submission, template pre-approval, and common rejection reasons.
TextNation Product Team1 May 2026Practical guides on SMS, WhatsApp, RCS and compliance. No spam — unsubscribe any time.
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