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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 Authkey?

Authkey.io is a remarkable Enterprise Omni Channel API platform that provides a comprehensive array of communication tools and APIs, meticulously crafted to assist businesses in achieving effective and secure interactions with their customers. The SMS API orchestrates a seamless communication experience through event-based messaging, facilitating Bulk SMS delivery, transactional notifications, one-time passwords (OTP), and call-based authentication methods. With its Voice API, businesses can send OTPs via voice messages, ensuring recipients have immediate access to important information through an alternative channel. The Email API guarantees efficient and timely email delivery for essential tasks like password verification, account creation, OTP sending, and email validation. In today's digital environment, the WhatsApp Business API serves as a vital link that allows businesses to connect directly with a vast audience on WhatsApp, thereby enhancing customer engagement. Additionally, the Two-Factor Authentication (2FA) API plays a crucial role in security by efficiently sending OTPs, verifying user logins, and strengthening the security framework of business applications and CRM systems, ultimately fostering a safer digital landscape for organizations. This multifaceted platform empowers enterprises to optimize their communication strategies while reinforcing user trust and security.

Media

Media

Integrations Supported

Claude Code
Claude Duet
Claude for Legal
Facebook
Facebook Messenger
Go
Instagram
Java
OpenAI Codex
PHP
Python
Supabase
Telegram
Vercel
n8n

Integrations Supported

HubSpot CRM
HubSpot Customer Platform
Integrately
Pabbly Connect
Zapier

API Availability

Has API

API Availability

Has API

Pricing Information

$21 per month
Free Version

Pricing Information

$0
5,000 Messages Rs.1,350
10,000 Messages Rs.2,200
1,00,000 Messages Rs.14,000
5,00,000 Messages Rs.55,000
10,00,000 Messages Rs.1,05,000
Free Version
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
Chromebook

Customer Service / Support

Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub
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

Authkey.io

Date Founded

2020

Company Location

India

Company Website

authkey.io

Categories and Features

Communication APIs

Not specified

SMS API

Not specified

Categories and Features

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