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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

Prelude offers a powerful SMS API for global phone number verification with instant fallback routes for undelivered messages. The platform connects users to 30+ providers, ensuring the best pricing and delivery rates across different countries, utilizing channels like WhatsApp, Viber, and SMS. With AI-powered fraud protection, Prelude guarantees secure user verification while preventing fraudulent activities. The real-time analytics dashboard provides businesses with actionable insights to optimize delivery and improve conversion rates. Easy integration with minimal setup, combined with dedicated customer support, makes Prelude a go-to solution for businesses of all sizes looking to scale secure and efficient user verification.

Description

Zavu serves as a unified API for managing all your messaging needs, allowing you to send and receive SMS, WhatsApp messages, Email, Voice calls, Telegram, and other forms of communication through a single integration. This solution enables developers to streamline the messaging process rather than deal with the complexities of maintaining multiple messaging infrastructures, effectively replacing various APIs, SDKs, authorization models, webhook structures, sender configurations, template approvals, and error management with just one SDK, a single webhook format, and an integrated dashboard. Designed to accommodate AI agents from the outset, Zavu empowers these agents to communicate globally via SMS, WhatsApp, Email, and Voice, while offering developers access to production-ready SDKs in programming languages like Node.js, Python, Ruby, Go, PHP, and Java. The platform's Smart Send and AI Routing capabilities intelligently select the appropriate messaging channel—be it SMS, WhatsApp, or Email—based on the recipient, optimizing delivery by leveraging platform-wide delivery intelligence and automatically redirecting to alternative channels when necessary. In this process, context is consistently maintained, duplicate deliveries are eliminated, and costs are meticulously monitored throughout the entire fallback sequence, ensuring both efficiency and clarity for users. Additionally, Zavu's comprehensive approach allows for seamless integration into existing workflows, enhancing the overall user experience.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Claude No 
Claude Code No 
Facebook No 
Facebook Messenger No 
Go No 
Instagram No 
Java No 
Node.js No 
PHP No 
Python No 
Ruby No 
Telegram No 
WhatsApp No 

Integrations

Claude Yes 
Claude Code Yes 
Facebook Yes 
Facebook Messenger Yes 
Go Yes 
Instagram Yes 
Java Yes 
Node.js Yes 
PHP Yes 
Python Yes 
Ruby Yes 
Telegram Yes 
WhatsApp Yes 

Pricing Details

$0.03 per verification
Free Trial No 
Free Version No 

Pricing Details

$21 per month
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App Yes 
iPad App No 
Android App Yes 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Prelude

Founded

2023

Country

France

Website

prelude.so/

Vendor Details

Company Name

Zavu

Founded

2025

Country

United States

Website

www.zavu.dev/

Product Features

Product Features

Alternatives

Alternatives