Celitix Blogs
Blogs written by experts on WhatsApp Business API, bulk SMS campaigns, RCS messaging, voice call services, outbound dialer (OBD), chatbot automation & CPaaS solutions and omnichannel marketing trends. Read in-depth guides, integrations tutorials, industry news, product comparisons and growth strategies for the modern business.
WhatsApp blue tick verification, who qualifies and why applications fail
A customer gets a message from a number they do not recognise and ignores it. This guide covers what the verification mark actually does, the green versus blue confusion, the real eligibility bar, and why most applications are rejected on notability rather than paperwork.
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How to get WhatsApp username, and what it actually changes for business
WhatsApp opened username reservations on 29 June 2026 and the full rollout is still ahead. This guide covers the five steps to claim one, what reservation actually buys you, the fact most coverage is getting wrong about searchability, and what genuinely changes for a business.
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Sms services for business in India, how to compare and choose one
Every SMS vendor quotes a per-message rate and almost none of them quote the same thing. This guide covers the four regulated message types, the eight things worth comparing beyond price, and which supplier shape fits your sending pattern.
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Dlt registration guide for bulk SMS in India, entity to template approval
No business SMS reaches an Indian phone until the entity, the header and the exact wording are all registered. This guide walks the three steps in the order they have to be done, the documents needed at each one, and the three mistakes that cause most rejections.
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