One API.
Any Email Inbox.

The Kloudless Unified Email API is a single API that unifies email endpoints and object data models across many email APIs, helping you instantly integrate your app with Gmail, Microsoft Outlook, MS Office 365, on-prem Exchange Server, IMAP, and more in one go.

Simple, flexible pricing

Free Dev Plan
$0
  • Access to all connectors and full API functionality
  • Includes Activity Monitoring and Webhooks
  • Free to use up to 30 accounts
Pay per User
Starts at $0.70 per Account
  • Unlimited API Requests
  • Connect Admin Users to access Org-wide data
  • Discounts available for start-ups and non-profits
Unlimited Plan
$0 per User
  • Self-hosted
  • High performance and scalability
  • Complete data privacy
Email Sync

Send, receive, access emails from any email inbox

Bi-directional sync data from any email provider into your application in real-time. The Kloudless Unified Email API provides a single, common set of API endpoints and data models to send emails and retrieve email content including email attachments.

  • Send new mail and reply to threads
  • Search and retrieve all existing and new mail
  • Access org-wide mailboxes via admin accounts
  • List contacts and co-workers
Activity Monitoring

Real-time notifications for email inbox activity

Kloudless offers a full-featured Activity Monitoring API with highly reliable webhooks and event bus support across all email providers, ensuring that your application is aware of any changes in your users’ inboxes, even if the upstream service doesn’t support webhooks or activity endpoints.

  • Real-time notifications for new emails received
  • Receive webhooks or event bus messages
  • Track org-wide activity via admin accounts
  • Monitor specific mailboxes

Unified APIs get your integrations to market fast

One data model

Our unified data models ensure that request and response data structures are identical across all the SaaS connectors in a single category.

One set of API endpoints

Our unified API endpoints allow a single API request format to work with all SaaS connectors within a single category.

One authentication flow

We provide a single access token via a Unified OAuth flow, unifying different authentication mechanisms like OAuth, JWT, or password auth.

Tools to help you meet any use case requirement

Core Functionality

Authentication (OAuth 2.0), token management, full CRUD functionality, Search

Events and Webhooks

Live activity monitoring API endpoints give you the ability to track near real-time activity and changes.

Team API

Get admin access to an entire organization’s data, users, and groups with our Team API endpoints and user impersonation capabilities.

Unified Data Models

We unify objects into a single representation for each category of services.

Raw Data

Obtain data in its original format if you need access to unique objects that do not appear in our Unified Data Models.

Pass-through API

Access the full functionality of an upstream API via Kloudless. Kloudless adds default request parameters such as authentication headers.

Kloudless Enterprise

Run Kloudless on your own server

Host all of our Unified APIs and SaaS integration tools on-premises to ensure the highest levels of security compliance and performance. Kloudless Enterprise is available as a Docker container, AWS AMI, or OVA for deployment on your private infrastructure.

Ready to Get Started?

Talk to an expert or sign up for a free developer account today

Frequently Asked Questions

What are some examples?

Kloudless specializes in helping solve several industry use cases across business applications, such as sales enablement, construction, and CASB. Learn more about other industry use cases and how we can help your application here.

What is the difference between you and Zapier / Workflow Automation?

Kloudless is entirely embedded within your application to increase stickiness. Your users will no longer be forced to leave your application to integrate with the services they need. Workflow automation is not an API. It is simply a tool for your customers to perform basic sync while Kloudless is used by your developers to enable synchronous interactivity for users to pull and push data on demand while using your application. Of course, Kloudless also enables automating data transfer as well. Read all about the differences between a Unified API and workflow automation here.

Do you ever leave data out of the unified response?

Services sometimes return objects with properties that are unique or custom to that specific provider, user account, or tenant. This is especially true of highly customizable environments such as CRM apps like Salesforce. However, Kloudless always provides the raw data returned from upstream HTTP responses, and even allows arbitrary requests to any upstream endpoint through the Kloudless Pass-Through API, while still handling authentication and keeping tokens refreshed.

How do I get started?

Sign up today for a free account and see how easy it is to provide your application with all of its API needs. Use our Postman Collection to easily test out each endpoint, or use our language-specific SDKs to quickly get started on integrating with Kloudless.

What is the benefit of Kloudless being embedded in my application?

Every product has its own UI/UX. Since Kloudless is embeddable, users can access any and all of their needed services inside of your application without ever knowing that Kloudless is there at all, increasing your application’s value, experience, and stickiness.

What are the most popular endpoints?

At a broad level, CRUD endpoints and change tracking are central to applications’ use of Kloudless. Keeping track of real-time events that occur in your end user’s cloud service is pivotal to providing your users with the information they need from your application. Kloudless provides this data through our exceptional Activity Monitoring (Events) API, Webhooks, AWS EventBridge partner source, and first-class support for Subscriptions. Kloudless also builds on top of these basic endpoints to support some of our popular advanced functionality and UI Tools, powering scheduling, file browsing, and data mapping use cases across a range of connectors.

How can we deploy Kloudless?

Your application can connect to Kloudless either through our hosted service at kloudless.com, or by self-hosting Kloudless Docker containers in your cloud or on-premises environments. We offer a range of different options for the size and scale of your application through either method. Learn more about your deployment options here.