Master the Art of
Mobile Messaging
Whether you are a developer integrating an SMS API, a marketer planning a campaign, or just curious about how texts workâwe have a guide for you.
What is SMS? Complete Guide to Short Message Service
Learn what SMS (Short Message Service) is, how it works, its history, and why it remains the most effective communication channel with 98% open rates.
Technical Protocols
Does SMS Require Internet? No, Here is Why
SMS does not require internet or Wi-Fi. Learn how text messages work over cellular networks and when you actually need data.
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GSM-7 vs Unicode: Why SMS Drops to 70 Characters
Learn why emojis cut your SMS from 160 to 70 characters. Understand GSM-7 vs Unicode encoding and optimize your messages to reduce costs.
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SMS vs MMS vs RCS: Complete Comparison Guide
Compare SMS, MMS, and RCS messaging technologies. Learn the differences in features, costs, and device support to choose the right one for your business.
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What is SMS? Complete Guide to Short Message Service
Learn what SMS (Short Message Service) is, how it works, its history, and why it remains the most effective communication channel with 98% open rates.
READ_DOCSBusiness Strategy
10 Best SMS Marketing Practices for 2026
Master SMS marketing with these 10 proven best practices. Learn compliance, timing, personalization, and optimization strategies.
Read Guide →What is an SMS Campaign? Types & Best Practices
Learn what SMS campaigns are, how they work, and best practices for running successful text message marketing campaigns. Includes ROI tips and strategies.
Read Guide →What is a Short Code? SMS Short Codes Explained
Learn what SMS short codes are, the difference between vanity and random codes, costs, and how to get one for your business campaigns.
Read Guide →What is Bulk SMS? Business Messaging Guide
Learn what bulk SMS is, why businesses use mass text messaging, and how to launch successful campaigns. Includes pricing, providers, and compliance tips.
Read Guide →What is A2P SMS? Application-to-Person Messaging
Learn what A2P SMS is, how it differs from P2P messaging, and why businesses use it for 2FA, marketing, and alerts.
Read Guide →Security & Compliance
What is 10DLC? US Business Texting Explained
Learn what 10DLC is, why registration is required for business texting in the US, and how it compares to short codes.
What is Smishing? SMS Phishing Attacks Explained
Learn what smishing is, how to identify SMS phishing attacks, and protect yourself from fake delivery, bank, and Amazon scam texts.
What is SMS Notification? OTP, Alerts & More
Learn what SMS notifications are and how they differ from marketing messages. Discover use cases for delivery alerts, OTP codes, and real-time updates.
Try Our SMS Tools
Use our free SMS character counter to optimize your messages and calculate costs.