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   * Send email messages
   * Track email messages
   * Smart Compose
   * Email scopes
   * File attachment media types
 * Calendar
   * Using the Calendar API
   * Using the Events API
   * Using virtual calendars
   * Check availability
   * Check free/busy information
   * Group availability & booking
   * Add conferencing to events
   * Schedule recurring events
   * Calendar scopes
 * Scheduler
   * Using the Scheduler API
 * Contacts
   * Using the Contacts API
   * Contacts scopes
 * Webhooks
   * Using webhooks
   * Webhook schemas
   * Webhook scopes
 * API references
   * API reference docs
   * Administration APIs ↗
   * Email, Calendar, & Contacts APIs ↗
   * Postman collection
   * Error types
   * API responses & HTTP status codes
 * Dev guide
   * Developing with Nylas
   * Platform
     * Data residency
     * Change data residency region
     * Data retention
     * What is nyl.as?
   * Error handling
   * Production checklist
   * Best practices
     * Security
     * Improve email deliverability
     * Rate limits
     * Dealing with spam
     * Best practices for webhooks
   * Provider guides
     * Google
       * Create Google auth app for v3
       * Google Workspace Service Accounts
       * Google PubSub Message Sync
       * Google verification and security assessment guide
       * Google authentication in v2
     * Microsoft
       * Email Administrator Guide
       * Developers Guide
       * Microsoft Authentication
         * Enable Microsoft Graph Events permissions
       * ⚠️ Microsoft Exchange Online and Basic Authentication
       * Microsoft Troubleshooting
         * Microsoft Authentication Troubleshooting
           * Nylas Was Unable to Connect to the Exchange Server
           * Couldn't Exchange OAuth Code for a Microsoft Refresh Token
           * Exchange Autodiscovery Failed
           * Incorrect Connection Settings
           * Credential Errors Not Related to a Password
           * Invalid Password Error
           * Status 403
           * Unauthorized Error
         * How to Detect MDM Issues for EAS
         * IMAP Support Turned Off
         * ServerError 110
         * Server Error Retry Later 111 or 85
         * Server Does Not Support SSL
         * The Mail Server Experienced a Temporary Error
         * Message Delivery Submission Failed
         * Unexpected Folders and Calendars
       * Upgrade an Azure app to use Graph
       * Create an Azure app for v3
       * Office365 Service Accounts Setup or Exchange Online
       * Suggested Office 365 Settings
       * Invite Nylas to Your Azure App
       * Admin Approval
       * Microsoft Exchange Login
       * Testing Exchange Autodiscovery
       * Checking for Quarantined EAS Devices
       * Gathering Exchange Logs
       * Override Sender Display Name
       * Microsoft Verification Guide
     * IMAP providers in v3
       * UIDVALIDITY
       * Passwords & character encoding
     * iCloud authentication
     * Yahoo authentication
     * App passwords
     * Supported Providers
   * Metadata
   * Versioning
 * SDKs
   * Node.js SDK
     * Read email messages and threads with Node.js
     * Send email messages with Node.js
     * Manage folders and labels with Node.js
     * Manage events with Node.js
     * Manage contacts with Node.js
   * Python SDK
     * Read messages and threads with Python
     * Send email messages with Python
     * Manage folders and labels with Python
     * Manage events with Python
     * Manage contacts with Python
   * Ruby SDK
     * Read messages and threads with Ruby
     * Send email messages with Ruby
     * Manage contacts with Ruby
   * Kotlin/Java SDK
     * Read messages and threads with Kotlin/Java
     * Send email messages with Kotlin/Java
     * Manage folders and labels with Kotlin/Java
     * Manage contacts with Kotlin/Java
 * Support
   * Contacting Nylas Support
   * Billing
   * Product lifecycle
   * GDPR overview & inquiries
 * What's new
   * What's new in v3
   * What's new in Nylas
   * Product release notes
   * SDK and tool changelogs

 * Getting started
   * What is Nylas?
   * Set up your Sandbox
   * Connect an account
   * Authorize API requests
   * Try the APIs
   * Resources and tutorials
   * Nylas v3 Dashboard
 * Quickstart
   * Nylas Quickstart guides
   * Email API Quickstart
   * Calendar API Quickstart
 * Auth
   * Auth and Nylas
   * Create grants with OAuth & API key
   * Create grants with OAuth & access token
   * Configure OAuth login prompt
   * Create grants with Custom auth
   * Create grants with IMAP auth
   * Create grants for virtual calendars
   * Manage grants
   * Bulk auth grants & Service Accounts
   * Authentication scopes
 * Email
   * Using the Email API
   * Using the Threads API
   * Send email messages
   * Track email messages
   * Smart Compose
   * Email scopes
   * File attachment media types
 * Calendar
   * Using the Calendar API
   * Using the Events API
   * Using virtual calendars
   * Check availability
   * Check free/busy information
   * Group availability & booking
   * Add conferencing to events
   * Schedule recurring events
   * Calendar scopes
 * Scheduler
   * Using the Scheduler API
 * Contacts
   * Using the Contacts API
   * Contacts scopes
 * Webhooks
   * Using webhooks
   * Webhook schemas
   * Webhook scopes
 * API references
   * API reference docs
   * Administration APIs ↗
   * Email, Calendar, & Contacts APIs ↗
   * Postman collection
   * Error types
   * API responses & HTTP status codes
 * Dev guide
   * Developing with Nylas
   * Platform
     * Data residency
     * Change data residency region
     * Data retention
     * What is nyl.as?
   * Error handling
   * Production checklist
   * Best practices
     * Security
     * Improve email deliverability
     * Rate limits
     * Dealing with spam
     * Best practices for webhooks
   * Provider guides
     * Google
       * Create Google auth app for v3
       * Google Workspace Service Accounts
       * Google PubSub Message Sync
       * Google verification and security assessment guide
       * Google authentication in v2
     * Microsoft
       * Email Administrator Guide
       * Developers Guide
       * Microsoft Authentication
         * Enable Microsoft Graph Events permissions
       * ⚠️ Microsoft Exchange Online and Basic Authentication
       * Microsoft Troubleshooting
         * Microsoft Authentication Troubleshooting
           * Nylas Was Unable to Connect to the Exchange Server
           * Couldn't Exchange OAuth Code for a Microsoft Refresh Token
           * Exchange Autodiscovery Failed
           * Incorrect Connection Settings
           * Credential Errors Not Related to a Password
           * Invalid Password Error
           * Status 403
           * Unauthorized Error
         * How to Detect MDM Issues for EAS
         * IMAP Support Turned Off
         * ServerError 110
         * Server Error Retry Later 111 or 85
         * Server Does Not Support SSL
         * The Mail Server Experienced a Temporary Error
         * Message Delivery Submission Failed
         * Unexpected Folders and Calendars
       * Upgrade an Azure app to use Graph
       * Create an Azure app for v3
       * Office365 Service Accounts Setup or Exchange Online
       * Suggested Office 365 Settings
       * Invite Nylas to Your Azure App
       * Admin Approval
       * Microsoft Exchange Login
       * Testing Exchange Autodiscovery
       * Checking for Quarantined EAS Devices
       * Gathering Exchange Logs
       * Override Sender Display Name
       * Microsoft Verification Guide
     * IMAP providers in v3
       * UIDVALIDITY
       * Passwords & character encoding
     * iCloud authentication
     * Yahoo authentication
     * App passwords
     * Supported Providers
   * Metadata
   * Versioning
 * SDKs
   * Node.js SDK
     * Read email messages and threads with Node.js
     * Send email messages with Node.js
     * Manage folders and labels with Node.js
     * Manage events with Node.js
     * Manage contacts with Node.js
   * Python SDK
     * Read messages and threads with Python
     * Send email messages with Python
     * Manage folders and labels with Python
     * Manage events with Python
     * Manage contacts with Python
   * Ruby SDK
     * Read messages and threads with Ruby
     * Send email messages with Ruby
     * Manage contacts with Ruby
   * Kotlin/Java SDK
     * Read messages and threads with Kotlin/Java
     * Send email messages with Kotlin/Java
     * Manage folders and labels with Kotlin/Java
     * Manage contacts with Kotlin/Java
 * Support
   * Contacting Nylas Support
   * Billing
   * Product lifecycle
   * GDPR overview & inquiries
 * What's new
   * What's new in v3
   * What's new in Nylas
   * Product release notes
   * SDK and tool changelogs

 * API v2 106
 * API v3 99
 * Article 103
 * Troubleshooting 44
 * Tutorial 107

Only show these results:
 * Authentication 63
 * Calendar 13
 * Developer Tools 64
 * Events 17
 * Google 24
 * Microsoft 57
 * Sending 13
 * Sync 15
 * Upgrade 10
 * Webhooks 22


 1.  YAHOO AUTHENTICATION
     
     Learn how to connect Yahoo accounts to Nylas.
     
     Nylas supports two ways to authenticate end users who use Yahoo as their
     email provider: using OAuth and Custom auth


 2.  WHAT'S NEW IN V3
     
     
     
     This page lists the changes in Nylas v3, and also collects release notes
     and changelogs specific to v3. Nylas v3


 3.  WHAT'S NEW IN NYLAS
     
     Find out about new releases and read changelogs.
     
     Here youll find all of our release notes and changelogs - your one-stop
     shop for all things new at Nylas


 4.  WHAT IS NYLAS?
     
     Read about Nylas architecture and concepts, and learn how Nylas syncs data
     and sends email.
     
     The Nylas platform provides an integration layer that makes it easy to
     connect and sync email, calendar, and contact data


 5.  WHAT IS NYL.AS?
     
     Learn about the `nyl.as` links you may come across.
     
     You might have come across a link in an email message or on the web that
     has https://nyl.as


 6.  WELCOME TO NYLAS V3
     
     With Nylas, developers unlock the power of communications data, remove
     complexity, and create seamless user experiences.
     
     Welcome to Nylas v3! Learn how to build with Nylas and connect to every
     inbox and calendar in the


 7.  WELCOME TO NYLAS V2
     
     Learn about Nylas v2.
     
     Welcome to Nylas v2 This legacy documentation covers Nylas v2-v2.7. Upgrade
     to v3! Email Connect to email


 8.  WEBHOOKS V2 OVERVIEW
     
     Learn about how Nylas uses webhooks, and how to add them to your v2
     application.
     
     Webhooks allow your Nylas applications to receive notifications in real
     time when certain events occur. They use a push notification


 9.  WEBHOOKS
     
     Your application receives information about changes to user accounts and
     data through Nylas webhooks.
     
     Your application receives information about changes to user accounts and
     data through Nylas webhooks. 🔍 The term webhook can refer


 10. WEBHOOKS
     
     Webhooks allow your Nylas application to receive notifications when certain
     events occur (for example, when a user receives an email message, Nylas
     makes a `POST` request to your URI endpoint). You can specify what events
     you want to be notified about in the v2 Nylas Dashboard.
     
     Webhooks allow your Nylas application to receive notifications when certain
     events occur (for example, when a user receives an email


 11. WEBHOOK SCOPES
     
     Learn about the scopes required for webhook notification triggers in Nylas
     v3.
     
     This page describes the webhook notification triggers available in Nylas v3
     and the scopes they require. The scopes listed allow


 12. WEBHOOK SCHEMAS
     
     Schema references for each type of webhook notification that Nylas sends.
     
     This page provides schema references for the webhook notifications that
     Nylas sends. Keep in mind You can send a request


 13. VIRTUAL CALENDARS OVERVIEW
     
     Learn about virtual calendars and how to integrate them into your Nylas
     application.
     
     Virtual calendars work like any other calendar in Nylas, and make it easy
     to include customized scheduling in your Nylas


 14. VIRTUAL CALENDARS IN NYLAS V2
     
     Learn about virtual calendars and how to integrate them into your Nylas
     application.
     
     Virtual calendars work like any other calendar in Nylas, and make it easy
     to include customized scheduling in your Nylas


 15. VIRTUAL CALENDAR AVAILABILITY IN NYLAS V2
     
     Learn how to use the Availability endpoints with virtual calendars.
     
     This page describes how to use the Availability endpoints with virtual
     calendars. While Nylas currently doesnt directly support availability or


 16. VIRTUAL CALENDAR AVAILABILITY
     
     Learn how to use the Availability endpoints with virtual calendars.
     
     This page describes how to use the Availability endpoints with virtual
     calendars. While Nylas currently doesnt directly support availability for


 17. VERSIONING
     
     Nylas uses semantic versioning for APIs and additive changes. Learn more
     about Nylas' version history, and the versions Nylas currently supports.
     
     The Nylas API is versioned. That means that whenever Nylas makes
     backward-incompatible API changes, we release a new version


 18. V3 UPGRADE PROCESS OVERVIEW
     
     Guides for upgrading your existing Nylas v2.x implementation to Nylas v3.
     
     If youre an existing customer preparing to upgrade from Nylas v2.x to v3,
     this page collects information to help


 19. V2 NYLAS EMAIL API OVERVIEW
     
     Learn about the Email API, available endpoints, and Nylas products that use
     the Email API.
     
     The Nylas Email API gives you a secure and reliable connection to your end
     users inboxes. This enables you to


 20. V2 NYLAS CONTACTS API
     
     Learn about the v2 Nylas Contacts API, the available endpoints, and Nylas
     products that use the Contacts API.
     
     The v2 Nylas Contacts API gives you a secure and reliable connection to
     your end users contacts. This enables you

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 * Dev guide /
 * Platform /
 * What is nyl.as?


WHAT IS NYL.AS?

You might have come across a link in an email message or on the web that has
https://nyl.as/ in it. These links redirect to another page on the internet.

Links to nyl.as are part of the Nylas Email API link tracking feature and
provide a notification when someone clicks on the link. In normal use they are
not malicious or a security issue.

⚠️ If you find a nyl.as link that redirects to spam or other malicious websites,
report it immediately to Nylas Support so we can take immediate action.

The Nylas Communication Platform allows developers to quickly build features
that connect to every email inbox, calendar, and contacts list in the world.
Nylas provides an integration that can be completed in days, pre-built security
and compliance features, and uptime guarantees for paid accounts. The Nylas
communication platform is secure, reliable, and easy to use and maintain.


NYL.AS ERRORS ON OLDER DEVICES

Some devices might receive errors if they access nyl.as links. This is because
they don't support the Let's Encrypt new root certificate. You can review a list
of devices that support the new certificate at Let's Encrypt's Certificate
Compatibility page.


WHAT IS NYL.AS?

 1. Nyl.as errors on older devices


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