Latest from the Esendex Blog

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9 November 2026

Messaging APIs: REST & SMPP – choosing the right protocol for your business messaging

Building a multichannel customer communication strategy shouldn’t mean dealing with API sprawl or updating integrations. As customer demand shifts towards instant, mobile messaging - with 82% of shoppers

API, Business Communication, Developers, Mobile Marketing, RCS, Rich Messaging, sms, SMS Marketing, WhatsApp

9 November 2026

26 October 2026

Webhook vs API: The key differences

Esendex

Technical Definitions: What is an API and How Webhooks work While they are often framed as mutually exclusive alternatives, in modern software architecture, REST APIs and Webhooks are simply two sides

26 October 2026

29 September 2026

Esendex launches new API product suite, the latest milestone on its next-generation customer communications platform

Esendex

Esendex has today launched its new API product suite, engineered from the ground up to meet the changing needs of modern customer communications. The suite is designed for businesses that need

29 September 2026

28 September 2026

Richard Hanscott: Becoming a better version of ourselves

Esendex

Becoming a better version of ourselves In the next few days, we're launching the biggest platform investment in Esendex's history, an all-new API product suite, and I couldn't be more proud of what

28 September 2026

2 July 2026

Top 5 WhatsApp Business API providers

For growing businesses, the standard WhatsApp Business app eventually becomes a bottleneck. When you reach a point where the app can no longer handle your customer communication volume, you need the WhatsApp

2 July 2026

2 April 2026

Collections Transformed: How Digital Journeys Balance FCA Compliance and Boost Payment Velocity

Finance & DCAs

Modern debt collection is about finding a sustainable path forward: maximising recovery rates and maintaining cash flow while navigating the true priority, which is the ethical and compliance demands of

2 April 2026

28 January 2026

The Customer Service Index 2026: How are industries stacking up?

Customer Service

New data by Esendex has revealed how industries stack up when it comes to customer service excellence – and where businesses are missing the mark in customer support.

28 January 2026

17 December 2025

Why RCS is the new enterprise standard for secure, high-impact business messaging

RCS

The need for a new standard Every modern enterprise faces a digital dilemma: while customers demand interactive, secure, and instantly responsive communication, legacy messaging channels often fall

17 December 2025

17 November 2025

The Dos and Don’ts of debt collection by SMS

Finance & DCAs

Text messaging is a fast, affordable way to improve debt collection. Discover the dos and don’ts to boost payments while supporting customer wellbeing.

17 November 2025