Author name: Wilham Opoku-Danquah

Code editor showing Arkesel SMS API POST request with JSON payload flowing to a mobile phone displaying delivered messages — representing API-driven SMS integration

How to Send SMS via the Arkesel API: Developer Guide with Code Examples

You need to send SMS from your application — OTP codes, order confirmations, marketing campaigns. The Arkesel SMS API lets you do it with a single HTTP request. No SDK required. Just standard REST from any language. This guide walks you through authentication, sending your first SMS via the Arkesel API, handling errors, and scaling […]

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SMS character encoding comparison showing GSM-7 at 160 characters per segment and UCS-2 Unicode at 70 characters per segment, connected by the shared 140-byte SMS payload

SMS Length & Unicode: Character Limits Explained (2026)

Conventionally, SMS (Short Message Service) messaging is recognized to be one of the most used mediums of communicating. The techniques used in constructing SMS messages shape the way messages are sent and received by recipients. With that noted, understanding some concepts and integrating some of the best practices will be key in ensuring that messages

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Two overlapping authentication shields showing password field plus phone with OTP code as double security barrier

Two-Factor Authentication: The Answer to Better Security

All online business and customer engagements must have appropriate security implementations to ensure safe and effective communication. One of these security implementations is in the form of the Two Factor Authentication Process. Two-factor authentication (2FA), also known as multiple-step verification, is a process by which a user’s identity is double-checked to determine their legitimacy before.

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Phone with two columns showing green checkmark side for SMS dos and red X side for donts

The Do’s and Don’ts of Successful SMS Marketing

SMS Marketing is a marketing technique that involves sending promotional messages or transactional messages for marketing purposes using text messages. The messages are mostly meant to communicate time-sensitive offers, updates, and alerts to people who have consented to receive messages from your businesses. As one of the prized marketing tools amongst various businesses, SMS Marketing

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