seven.io Alternatives

GatewayAPI is a professional SMS gateway with first-rate services at low prices worldwide. Over 300 million SMS messages are sent annually through GatewayAPI by among other Google, Visma, Pfizer & Samsung.

paid Free Trial €0.01 (Per SMS)

Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc.

Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.

Visit website paid Free Trial $15.0 / Monthly

Sinch is a powerful voice and messaging SDK that lets you bring your apps to life with VoIP and...

Brings voice and messaging to your web and mobile applications.

Open Source

Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.

LINK Mobility is Europe's leading provider within mobile communications, specialising in mobile SMS messaging, digital services and multi-channel conversational communication.

Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs

Simple, reliable mobile messaging cloud.

Easy to use Phone System with World-Class Support

paid $14.0 / Monthly

Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.

Try for free paid Free Trial $12.0 / Monthly (Per inbox, per month.)

SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions.

Nexmo is a simple two way SMS API with global reach and wholesale rates

Stop chasing your clients for documents! Easily request files, documents, forms & signatures from your clients – set a due date and save hours as your requests are returned to you effortlessly.

Try for free paid Free Trial $17.99 / Monthly (Basic)