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Best instant messaging APIs

WhatsApp OTP API

The WhatsApp OTP API enables seamless user authentication and transaction verification by sending OTPs directly to phone numbers. It receives a phone number and message content, then responds with a status and transaction ID. Ideal for user logins, transaction confirmations, and password resets, it offers substantial savings with plans starting at $24.99 for 2,500 OTPs. 🚀

Communication & Messaging

100% uptime 136ms avg MCP ready

Emailer API

Send OTP and notifications to your users by email. Forget about configurations and records with this API.

Communication & Messaging Free 7-Day Trial

100% uptime 358ms avg MCP ready

InstantCode WhatsApp API

Send verification codes effortlessly to your users through WhatsApp. Enjoy instant message delivery to any country around the globe, ensuring a smooth and secure verification process. Enhance your user experience with reliable, real-time communication!

Communication & Messaging Free 7-Day Trial

100% uptime 112ms avg MCP ready

Instant Email Validation API

The Instant Email Validation API validates email addresses in real time, ensuring that they exist and can receive emails, returning instant results in JSON format.

Communication & Messaging Free 7-Day Trial

100% uptime 193ms avg MCP ready

Inbox Validation API

The Inbox Validation API ensures accurate and deliverable email data, streamlining communication by verifying syntax, domains, and preventing common pitfalls.

Communication & Messaging Free 7-Day Trial

100% uptime 369ms avg MCP ready

Instant Email Verification API

Generate a detailed travel itinerary with schedules, locations, and personalized activities.

Travel & Transportation Free 7-Day Trial

100% uptime 552ms avg MCP ready

Temporary GMail API

The Temporary Gmail API allows you to create completely new, never-before-used email addresses with Gmail, providing a convenient solution for avoiding spam. Whether you need them for OTP confirmations, signing up on untrustworthy sites, or any other purpose, this service empowers you with the flexibility to manage your online privacy effortlessly.

Communication & Messaging

100% uptime 3,536ms avg MCP ready

Global SMS Portal API Premium API

Elevate your communication with Global SMS Portal API for seamless messaging worldwide!

Communication & Messaging Free 7-Day Trial

100% uptime 4,328ms avg MCP ready

Worldwide SMS Solutions API Premium API

Worldwide SMS Solutions API offers versatile messaging capabilities for every need.

Communication & Messaging Free 7-Day Trial

100% uptime 4,144ms avg MCP ready

Instant Phone Number Validator API

Convert and validate phone numbers worldwide, returning standardized formats, country codes, state data, and timezone information for smarter communication applications.

Market Data & Trading Free 7-Day Trial

100% uptime 12ms avg MCP ready

International SMS Gateway API Premium API

Send messages across borders effortlessly with our International SMS Gateway API.

Communication & Messaging Free 7-Day Trial

100% uptime 2,514ms avg MCP ready

Universal SMS Messaging API Premium API

Universal SMS Messaging API ensures reliable and efficient texting globally.

Communication & Messaging Free 7-Day Trial

100% uptime 4,330ms avg MCP ready

Cross Border SMS API Premium API

Cross Border SMS API simplifies international messaging with reliable delivery.

Communication & Messaging Free 7-Day Trial

100% uptime 3,948ms avg MCP ready

Change Facial Expressions API

Transform facial expressions in images with advanced editing technology, enabling smiles, pouts, frowns, and more with our API.

Visual Recognition & Imaging

100% uptime MCP ready

Instant IMEI Validation API Service

Quickly validate IMEI numbers to ensure your devices are genuine and compliant with our instant service.

Security & Cybersecurity Free 7-Day Trial

100% uptime 546ms avg MCP ready

Instant Email Data Retrieval API

Retrieve essential email data on demand to enhance user engagement and improve marketing campaigns.

Communication & Messaging Free 7-Day Trial

100% uptime 808ms avg MCP ready

Instant Image Generator API

Create unique images from keywords, ideal for generating personalized visual content, digital art, or creative inspiration.

Visual Recognition & Imaging Free 7-Day Trial

100% uptime 14,389ms avg MCP ready

Instant Email Checker API

Instantly validate and verify email addresses to enhance user engagement and reduce bounce rates.

Communication & Messaging Free 7-Day Trial

100% uptime 938ms avg MCP ready

Instant Language Translation API

Get your messages across instantly with the Instant Instant Language Translation API API, ideal for chat apps and real-time services.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 7,192ms avg MCP ready

Email Status Verifier API

The Email Status Verifier API validates email addresses in real time, ensuring that they exist and can receive emails, returning instant results in JSON format.

Communication & Messaging Free 7-Day Trial

100% uptime 1,437ms avg MCP ready

Instant Translation API

Instant Translation API is a multilingual translation tool that automatically translates text between multiple languages, with source language detection and easy integration into applications.

Natural Language Processing (NLP) Free 7-Day Trial