If you’re processing thousands of phone numbers for an SMS campaign, CRM cleanup, or lead generation effort, a phone number lookup API is the fastest and most reliable way to validate them at scale. But using the API effectively requires more than just sending requests — you need the right architecture, error handling, and data […]
Every contact list degrades over time. Phone numbers go inactive, get reassigned, or change carriers. Up to 30% of a typical marketing database becomes invalid within 12 months. Sending campaigns to a dirty list wastes budget, damages sender reputation, and creates serious TCPA liability if DNC-registered numbers are included. In this guide, we’ll walk through […]
SMS bounce rates measure the percentage of messages that fail to deliver to their intended recipient. High bounce rates waste budget, damage your sender reputation with carriers, and — in worst-case scenarios — trigger spam filtering that affects your entire sending domain. The good news: most SMS bounces are preventable before you send a single […]