CompleteSMS—Business Texting Delivered

CompleteSMS is a business texting platform launched by Red Oxygen in 2025. It allows users to send and receive SMS messages at any scale, from individual texts to bulk campaigns. The platform is designed for ease of use, requiring no developer involvement, and ensures compliance with carrier regulations. CompleteSMS offers a central web portal for managing accounts, reporting, and user administration. Headquartered in San Francisco, Red Oxygen has over 24 years of experience in SMS delivery and has sent more than 650 million messages globally. CompleteSMS provides a range of SMS solutions accessible via desktop, mobile, email, and API. Key features include two-way texting, email integrations for Gmail and Outlook, and an API gateway for custom software. The platform supports various use cases, such as appointment reminders and emergency alerts, and offers robust capabilities like 10DLC registration management and call forwarding. CompleteSMS serves a diverse clientele, including well-known brands and nonprofits.

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