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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 TeleSign?

Facilitate prompt and personalized communication through global SMS, RCS, and voice cloud solutions. Elevate your understanding of customers with actionable insights generated from worldwide phone numbers and subscriber information. Take advantage of TeleSign’s Messaging API, which allows for a single coding effort to effectively connect with your audience on a large scale, ensuring smooth delivery across multiple channels. This API supports SMS, RCS, and WhatsApp, enabling the creation of secure digital interactions that resonate with customers around the world. By incorporating an all-in-one Messaging API, you can start sending reliable and secure messages via SMS, RCS, and WhatsApp to your customers today. Choose to utilize one, two, or all three channels to enhance your programmable messaging strategy and expand your outreach. With an extensive network that includes over 120 optimized points-of-presence and upwards of 700 direct-to-carrier routes, you can effortlessly engage with a broader customer base. This vast infrastructure guarantees that your messages are not only delivered promptly but also with maximum effectiveness, allowing you to strengthen your customer relationships.

Media

Media

Integrations Supported

WhatsApp
Claude
Claude Code
Delinea Cloud Access Controller
DentalTap
Facebook Messenger
Fraud.net
Go
Instagram
Java
Microsoft Dynamics 365 Marketing
Next Identity
Node.js
PHP
Python
Quickwork
Rayven
Telegram
Viber
Wufoo

Integrations Supported

WhatsApp
Claude
Claude Code
Delinea Cloud Access Controller
DentalTap
Facebook Messenger
Fraud.net
Go
Instagram
Java
Microsoft Dynamics 365 Marketing
Next Identity
Node.js
PHP
Python
Quickwork
Rayven
Telegram
Viber
Wufoo

API Availability

Has API

API Availability

Has API

Pricing Information

$21 per month
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
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

TeleSign

Date Founded

2005

Company Location

United States

Company Website

www.telesign.com

Categories and Features

Categories and Features

Cloud Communication Platform

Audio / Video Conferencing
Call Center
Call Recording
Call Routing
Chat / Messaging
Fax Management
File Sharing
IVR / Voice Recognition

Customer Engagement

Analytics
Churn Management
Communication Management
Community Management
Content Syndication
Feedback Collection
Gamification
Live Chat
Video Content

Fraud Detection

Access Security Management
Check Fraud Monitoring
Custom Fraud Parameters
For Banking
For Crypto
For Insurance Industry
For eCommerce
Internal Fraud Monitoring
Investigator Notes
Pattern Recognition
Transaction Approval

Transactional Email

A/B Testing
Contact Database
Dynamic Content
Email Monitoring
Mailing List Management
Reporting/Analytics
Spam Check
Template Management

Popular Alternatives

Popular Alternatives