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What is Zavu?

Zavu acts as a consolidated API that addresses all your messaging requirements, enabling you to send and receive SMS, WhatsApp messages, emails, voice calls, Telegram messages, and more through a single integration point. This platform allows developers to simplify the messaging workflow, eliminating the difficulties associated with managing various messaging systems by consolidating numerous APIs, SDKs, authorization processes, webhook patterns, sender settings, template validations, and error tracking into one SDK, a uniform webhook structure, and a centralized dashboard. Built with AI agents in mind, Zavu facilitates their global communication capabilities across SMS, WhatsApp, email, and voice, while providing developers with access to fully functional SDKs in languages such as Node.js, Python, Ruby, Go, PHP, and Java. The system’s Smart Send and AI Routing features effectively determine the best messaging channel—whether SMS, WhatsApp, or email—based on the recipient's preferences, thus optimizing delivery through comprehensive platform-wide intelligence and automatically switching to alternative channels as needed. Throughout this process, the system ensures that context is preserved, duplicates are avoided, and expenses are carefully tracked during every stage of the fallback mechanism, guaranteeing efficiency and transparency for users. Furthermore, Zavu's all-encompassing strategy facilitates smooth integration with existing workflows, significantly improving the overall experience for users and developers alike.

What is Textbelt?

Textbelt is a user-friendly SMS API tailored for developers looking to send text messages swiftly and effectively. Many users prefer Textbelt to other SMS providers because of its easy setup, clear pricing structure, and responsive customer service. It eliminates ongoing costs, unnecessary features, and complicated client libraries, making it a hassle-free choice. Each user is allowed one complimentary text message daily, and they can create their own key to access additional messages whenever required. Textbelt offers both open-source and premium versions, guaranteeing dependability for its users. Since its launch in 2012, it has established itself as a reliable resource for countless developers and businesses alike. Delivery success can differ among various mobile carriers; for example, some may indicate that an SMS is "delivered" as soon as it reaches the device, while others only acknowledge delivery once a confirmation from the receiving handset is acquired. Additionally, Textbelt supports the ability to receive replies to messages sent, which are then forwarded through a webhook, requiring users to set up an HTTP or HTTPS endpoint on their website to manage incoming SMS. This capability significantly boosts engagement, allowing users to connect with their audience in a more interactive manner, ultimately enhancing communication strategies.

Media

Media

Integrations Supported

Go
Java
Node.js
PHP
Python
Ruby
C#
Claude
Claude Code
Facebook
Facebook Messenger
Instagram
JavaScript
PowerShell
Telegram
WhatsApp

Integrations Supported

Go
Java
Node.js
PHP
Python
Ruby
C#
Claude
Claude Code
Facebook
Facebook Messenger
Instagram
JavaScript
PowerShell
Telegram
WhatsApp

API Availability

Has API

API Availability

Has API

Pricing Information

$21 per month
Free Trial Offered?
Free Version

Pricing Information

$3 per 50 texts
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Zavu

Date Founded

2025

Company Location

United States

Company Website

www.zavu.dev/

Company Facts

Organization Name

Textbelt

Date Founded

2012

Company Location

United States

Company Website

textbelt.com

Categories and Features

Categories and Features

SMS Marketing

2-Way Messaging
Artificial Intelligence
Contact Management
MMS
Mass Texting
Message Personalization
Mobile Coupons
Mobile Keywords
Polls / Voting
Reporting/Analytics
Scheduled Messaging
Shortcodes
Text-to-Win

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