Best GatewayAPI Alternatives & Competitors in 2025

Professional solutions for your company to send and receive SMS. Online, via gateway, by email or directly in your app. Easy. Fast. Reliable.

Key seven.io features:

REST API Text-To-Speech Calls Virtual Inbound Numbers GSM Inbound Numbers

paid Free Trial $0.08 (Per SMS)

Brings voice and messaging to your web and mobile applications.

Key Twilio features:

Scalability Ease of Integration Global Reach Feature-Rich Platform

Open Source

Preferred Patron is the top Customer Loyalty Software Program for businesses in any industry of any size.

Key Preferred Patron features:

Marketing SMS Text Messaging Email Marketing Digital Rewards Management

Visit website paid $149.0 / Monthly (Small Biz Edition - White labeled (5,000 Active Member Limit))

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

Key Sinch features:

Comprehensive Communication Solutions Global Reach Scalability Easy Integration

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

Key LINK Mobility features:

Wide Range of Services Global Reach Scalability Integration Capabilities

Global cloud SMS gateway platform with advanced routing, reliability and capacity.

freemium €0.15 (per 1000 SMS)

HORISEN SMS Platform is a messaging technology solution for managing all aspects of wholesale and retail SMS business best.

Simple, reliable mobile messaging cloud.

Key Clickatell features:

Global Reach API Integration Multichannel Support Scalability

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

Key MessageBird features:

Omnichannel Messaging Global Reach Scalability API Integration

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

Key Vonage features:

Cost-Effective Flexibility Easy Setup Scalable

Reliable A2P SMS Messaging Platform for Transactional and Promotional Messaging.

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

Key Nexmo features:

Global Reach API Flexibility Reliable Service Scalability

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

Key SMSAPI features:

Reliability Global Reach User-Friendly Interface API Integration

Alaris Labs solutions for telecom carriers and wholesale VoIP providers: telecom billing and routing system, SMS traffic and voice traffic analysis, SMS platform, business process automation tools.