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Top Rated Instant Messaging & Chat Software with API in 2026

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Verified reviewer profile picture

All user reviews are verified by in-house moderators and provider data by our software research team.  Learn more

Last updated: April 2026

The API facilitates automation, third-party integrations, and bot creation, enhancing user experience and flexibility. It allows for real-time support, message customization, and seamless communication across multiple platforms and devices. Our reviewers in instant messaging & chat software rated this feature as important.

3 Best Instant Messaging & Chat Software with API

  • Trello - Highest rated for API
  • Telegram
  • Google Chat

See other top Instant Messaging & Chat products with api

How we picked the 3 top rated products

We chose the high-performing solutions on this list based on verified user ratings on our site. Depending on available data, qualifying products either had to be among the most user-reviewed or the most searched-for products in the instant messaging & chat software category. They also needed to have sufficient reviews about api, have a minimum user rating of 3 out of 5 for that feature, and show evidence of U.S. market presence. We then added a distinction for the product with the highest rating for api based on our proprietary ratings and reviews. Sponsorship or client status has no influence on the selection of these products, but it may impact the order in which products appear.

Details for the 3 best products

Trello logo
4.5
(23.4K)
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User insights about the api feature

Reviewers indicate that Trello's API is valuable for integrating with other software and managing tasks outside of Trello. They find it easy to configure and helpful for integrating Trello into their workflow. However, many users report not using the API, suggesting it is more relevant for specific user types or administrators.
“this tool allows me to integrate the use of trello with other programs, this allows me to manage almost all my tasks and have access to several other files from one place”
Verified reviewer profile picture

Gabrielle L.

Young Apprendice

“for anyone who wants to integrate Trello into his/her workflow, APIs would be important.”
Verified reviewer profile picture

¿¿ ¿.

Team Lead

Instant Messaging & Chat key features coverage

Trello offers 3 out of the 6 key features for Instant Messaging & Chat software identified by reviewers:

Real-Time Chat
Real-Time Notifications4.5
Mobile Access4.5
Document Storage4.3
Two-Way Audio & Video
Screen Sharing

Pros and cons based on 23,483 verified reviews

62% of users rated Trello 5 out of 5 stars, while 1% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 23,483 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Flexible task organization

Effective team collaboration

Intuitive drag-and-drop interface

Comprehensive track management

Cons:

Inadequate notification system

Pricing concerns and limitations

Limited file management

See pros and cons details

Pricing

Starting price:$5 per user/per month|Free version:Available|Free trial:Available

Prices may vary depending on the number of users and features.

Telegram logo
4.7
(6.4K)
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User insights about the api feature

Reviewers value Telegram's API for its flexibility and ease of creating custom bots and integrations. They report that it works well with various programming languages and third-party applications, enhancing automation and user experience. While some users do not use the API, those who do find it user-friendly and essential for advanced functionalities.
“Flexibility: Telegram's API is highly flexible and allows developers to create custom bots, applications, and integrations that can interact with the Telegram platform. This makes it a popular choice among developers who want to create customized solutions for their users.”
ee

eslam e.

data intry

“The API allows for various automation within custom software as well as third-party integrations to remove some of the manual work you would otherwise have to do.”
Verified reviewer profile picture

Christian K.

Programmer Analyst

Instant Messaging & Chat key features coverage

Telegram offers 3 out of the 6 key features for Instant Messaging & Chat software identified by reviewers:

Real-Time Chat4.7
Real-Time Notifications
Mobile Access
Document Storage4.7
Two-Way Audio & Video
Screen Sharing4.3

Pros and cons based on 6,406 verified reviews

71% of users rated Telegram 5 out of 5 stars, while 1% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 6,406 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Effective team communication

Efficient file sharing

Reliable communication

High security messaging

Cross-device compatibility

Cons:

Annoying notifications

Poor contact management

Lack of competitive advantage

User account issues

Messaging system flaws

See pros and cons details

Pricing

Free version:Available|Free trial:Not available

Prices may vary depending on the number of users and features.

Google Chat logo
4.5
(2.3K)
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User insights about the api feature

Reviewers appreciate the simplicity and ease of use of Google Chat's API. They highlight its capability to integrate with other apps, send alerts, and create bots to fetch information and perform actions. Users find it easy to understand and navigate, though some do not use it in their daily work.
“API enables bots to fetch information and perform action in Google chat”
TT

Tosin T.

Medical assistant

“We send all alerts over chat API to the related team channel”
Verified reviewer profile picture

Emrah Ö.

Software Developer

Instant Messaging & Chat key features coverage

Google Chat offers 3 out of the 6 key features for Instant Messaging & Chat software identified by reviewers:

Real-Time Chat4.7
Real-Time Notifications
Mobile Access4.6
Document Storage
Two-Way Audio & Video
Screen Sharing4.4

Pros and cons based on 2,378 verified reviews

64% of users rated Google Chat 5 out of 5 stars, while 2% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 2,378 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Efficient colleague communication

Effective student communication

Integrated team meetings

Streamlined team communication

Seamless client communication

Cons:

Frequent connection lag

Inconsistent notifications

Limited file sending capabilities

Inefficient chat search

See pros and cons details

Pricing

Free version:Not available|Free trial:Not available

Prices may vary depending on the number of users and features.

Other Top Rated Instant Messaging & Chat Software with API in 2026

Slack logo
Category Leaders

A single place for team communication and workflows

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Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do

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Google Workspace logo
Category Leaders

Collaboration application suite for teams

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Google Workspace is a suite of applications from Google which offers a number of tools to communicate and collaborate with colleagues, store files, and manage data from all devices.

Read more about Google Workspace

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Trello logo

Visual collaboration tool for shared project perspectives

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Trello is a project management tool that helps teams organize and manage their tasks. It caters to a range of industries and teams, from marketing to engineering. Trello's simple and intuitive interface makes it easy for any team to get started and stay on top of their work.

Read more about Trello

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Asana logo

Project tracking and workflow management platform

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Asana is a chat and collaboration tool where you can connect all your work in one place and bring teams together, anywhere. From lists to boards, to calendars and gantt charts, organize work your way. Join millions of teams across 190 countries who use Asana to get more done.

Read more about Asana

Users also considered
Google Meet logo

Messaging, voice, and video calls for team communication

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Google Meet is a video conferencing platform for teams to communicate via messaging, voice, and video. Features include high-definition video and audio conferencing for up to 100 participants, multi-device chat sync, stored chat history, real-time captions, meeting recording function, and more.

Read more about Google Meet

Users also considered
GoTo Meeting logo

Online meeting software with HD video conferencing

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GoToMeeting is an IM & chat tool that allows users to host an online meeting with high-definition video conferencing from their Mac, PC, iPad, iPhone or Android device, with up to 250 participants. Users can meet, screen share and chat via internet browser, mobile or desktop application.

Read more about GoTo Meeting

Users also considered
Microsoft Teams logo

Chat-based workspace in Office 365

learn more
Microsoft Teams is a chat-based workspace in Microsoft 365 which lets users collaborate on documents, make voice & video conference calls, view chat logs, and more. Teams has replaced Skype for Business as Microsoft's online meeting solution.

Read more about Microsoft Teams

Users also considered
Basecamp logo

Flexible project management and team communication tool

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Basecamp is a comprehensive project management software that helps teams stay organized and on track. Trusted by millions, Basecamp puts everything needed to get work done in one place, providing a structured way to manage projects, collaborate with clients, and communicate company-wide

Read more about Basecamp

Users also considered
Telegram logo
Category Leaders

Cloud-based mobile and desktop messaging app for all devices

learn more
Telegram Messenger is a cloud-based mobile and desktop messaging platform supported by native apps on most popular operating systems and devices, allowing users or user groups to connect and conduct voice calls, send messages, multimedia and files of all types across an end-to-end encrypted service

Read more about Telegram

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Connecteam logo
Category Leaders

Enhance employee management with the only all-in-one app

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Connecteam is the collaboration, engagement and communication app that moves work forward and keeps your team connected in the tap of a button.

Read more about Connecteam

Users also considered
monday.com logo

Project management software

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monday.com is a cloud-based Work OS, where teams create workflow apps in minutes to run their processes, projects, and everyday work. Teams shape workflows and projects, code-free, with a platform that adapts to shifting needs, liberates teams from manual grunt work, and connects teams in a collaborative work space.

Read more about monday.com

Users also considered
ClickUp logo

Productivity platform for marketing agencies

learn more
ClickUp is a productivity platform that helps businesses combine project management tools, AI capabilities, and collaboration features in a unified workspace. The system can integrate tasks, documents, goals, and chat functionality while offering AI-based agents that automate workflows and answer questions. ClickUp serves teams across various departments with enterprise-grade security certifications including SOC 2 Type II, ISO 27001, GDPR, and HIPAA compliance.

Read more about ClickUp

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Webex Suite logo

One app for everything. And everyone.

learn more
Webex brings together Calling, Meeting and Messaging modes of collaboration into a seamless, engaging, inclusive and intelligent experience.

Read more about Webex Suite

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ScreenConnect logo
Category Leaders

Remote meeting platform for resolving customers' queries

learn more
ScreenConnect is a help desk solution that allows businesses to detect and resolve customer queries through remote monitoring capabilities. Agents can prevent potential cyberthreats & protect data via features such as AES-256 encryption and two-factor authentication.

Read more about ScreenConnect

Users also considered
Google Chat logo

Communication tool for businesses and non-profits

learn more
Google Chat is a communication software that helps businesses of all sizes and non-profit organizations collaborate on projects and tasks. It lets users set up virtual chat rooms and chat threads, track task progress, and create follow-up tasks on a centralized platform.

Read more about Google Chat

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Miro logo

Miro is a visual workspace for innovation

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Miro is #1 collaborative whiteboard platform, trusted by over 13M users worldwide. Easily collaborate, ideate and centralize communication. Get feedback, reviews, and approvals with multiple communication options using video, chat, commenting and many other collaborative features and integrations!

Read more about Miro

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Zoho Desk logo

Customer service software for businesses of all sizes

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Zoho Desk is a web and mobile-based customer service software that enables businesses of all sizes and types to deliver customer support, empower agents, and maintain operations.

Read more about Zoho Desk

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Homebase logo

All-in-one platform to manage hourly team

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All-in-one team management with scheduling, time tracking, time clock, payroll, onboarding, HR, and communication tools for small businesses.

Read more about Homebase

Users also considered
When I Work logo

Staff scheduling, time tracking, and communication tool

learn more
Use When I Work to schedule, track time and attendance, and communicate with employees, all in one place. Create schedules quickly and easily, and send the schedule to staff with just a click. Save time. Improve accountability. 14-day free trial.

Read more about When I Work

Users also considered
Workplace from Meta logo

A simple and secure way to connect your organization.

learn more
Workplace from Facebook is a secure enterprise social networking platform that allows co-workers to connect immediately via Work Chat instant messaging

Read more about Workplace from Meta

Users also considered
Trainual logo

Onboarding and training software

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Trainual is an all-in-one employee training platform that centralizes documentation, onboarding, and knowledge management for businesses. The system enables organizations to capture processes, create SOPs, and build comprehensive training programs while tracking completion and ensuring compliance through e-signatures. Trainual integrates with various work applications and serves companies across multiple industries including healthcare, real estate, and business services.

Read more about Trainual

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Avaza logo
Category Leaders

All-in-one, client-focused project management for teams.

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Avaza is a business management solution which includes features for project management, resource scheduling, online timesheets, expense management, online invoicing, recurring invoicing, quotes and invoices, and more. Avaza also integrates with third party platforms to streamline workflows.

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Nifty logo

Project management, task tracking, & team collaboration hub.

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Nifty is a remote collaboration hub designed to manage projects, goals, communications, and teams all in one place. With Nifty, all over the place becomes all-in-one place. Every part of managing a project's lifecycle is here.

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Users also considered
Bitrix24 logo

All in one business management workspace

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Find your colleagues quickly in address book. See if they are available, busy or absent with the help of online indicator. Use group chat. View chat history.

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Microsoft Viva Engage logo

Enterprise Social Network (ESN) to connect and communicate

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Microsoft Viva Engage is a private enterprise social networking solution that enables employees to collaborate securely across time and distance. Microsoft Viva Engage provides a single, secure platform on which companies can share information, resources and business applications

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Key features for Instant Messaging & Chat software

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

  • Real-Time Chat: Reviewers value its ability to facilitate instant communication, share multimedia, create group chats, and maintain a natural conversation flow with typing indicators. 93% of reviewers rated this feature as important or highly important.
  • Real-Time Notifications: Users appreciate it for timely alerts, customization options, and enhancing responsiveness, ensuring they never miss important messages or updates. 91% of reviewers rated this feature as important or highly important.
  • Mobile Access: Reviewers highlight its convenience for staying connected and productive on the go, offering full functionality similar to the desktop version. 91% of reviewers rated this feature as important or highly important.
  • Document Storage: Users find it useful for securely storing, sharing, and accessing files from anywhere, with integration options and customizable access levels. 90% of reviewers rated this feature as important or highly important.
  • Two-Way Audio & Video: Reviewers emphasize the importance of high-quality audio and video for clear, real-time communication, making virtual meetings and collaborations more personal. 88% of reviewers rated this feature as important or highly important.
  • Screen Sharing: Users appreciate its ability to facilitate remote collaboration by sharing screens, presenting documents, and demonstrating processes in real time. 86% of reviewers rated this feature as important or highly important.