Sites and apps similar to Bandwidth include Telnyx. It's paid, but Wazo and Atomic SMS Sender are free. Other options are Twilio, SMSAPI, Hilos by ActiveCampaign and iP.1 RESTful API. There's no shortage of Email Marketing Services like Bandwidth, with more than 50 alternatives for Windows, Android, iPhone, Mac and Linux.
All-in-one cloud communications platform and API with carrier-grade voice, data and messaging capabilities. Offers voice services such as Origination, Termination and SIP trunking over the Internet.
United States
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.
United States
Wazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol. It is interoperable with most market telephony systems and gives users access to flexible and...
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.
Czechia
EU
Atomic SMS Sender supports 800 networks worldwide, enabling mass text ads, alerts, and notifications. Offers competitive pricing, dynamic sender IDs, free SMS testing, API integration, and a desktop or browser interface for seamless campaigns and delivery monitoring.
United States
Platform for WhatsApp API that allows you Profile leads, automate follow-ups and integrate with your favorite tools to increase conversion.
This RESTful API is a modern API that lets you use the message services provided by iP.1 Networks AB via your own applications. Do everything from just sending SMS messages to managing contacts and sending surveys.
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.
With Callr, never again suffer the business consequences of forcing your team and partners to stick to an obsolete call scenario hardwired into your communication system. Business teams can easily create advanced AI-powered call scenarios without technical skills, enjoying the...
United States
Global voice and messaging platform providing SIP trunking, virtual phone numbers, international voice termination, and business SMS.
Singapore
Sweden
United Kingdom
