GatewayAPI is described as 'Global messaging platform with easy integration and an average uptime of over 99.99%. All while still being one of the best priced suppliers on the market' and is an website in the business & commerce category. There are five alternatives to GatewayAPI , not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Android Tablet apps. The best GatewayAPI alternative is Twilio. It's not free, so if you're looking for a free alternative, you could try Infobip. Other great sites and apps similar to GatewayAPI are SMSAPI, Plivo and Clickatell.
Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.
SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions. SMSAPI offers bulk SMS, MMS, voicemailing, HLR services, shortcode, SMS notifications, newsletter SMS, MMS coupons, mail2SMS, two-way SMS and other mobile services.
Plivo offers a simple, quick, and scalable way to modernize customer communications. Businesses of all sizes — from growing startups to public companies — rely on Plivo to deliver better customer experiences.
International Communication Platform as a Service (CPaaS) provider with zero-hop connectivity to telecoms globally. It supports all major mobile communication channels, like SMS, email, WhatsApp, Viber, voice, video and more, over API and web UI.
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