Common Questions

• Nylas API v2 End of Life Support Timeline
• API v2 <> API v3 Migration FAQ
• Service Accounts not working with Office365 and Graph
• Migrating accounts from V2 to V3
• How do I fetch emails created before the accounts was connected in V3, historical sync?
• How do I migrate my V2 organization, applications, accounts and objects to V3

See all 12 articles

• Microsoft Office 365 Admin Approval
• Issues with Gmail accounts or grants using IMAP
• AADSTS50146: This application is required to be configured with an application-specific signing key.
• How to determine if account needs reauthentication in API V3, check Grant state?
• Application owner IMAP connectivity tests
• What are the lifetimes of the different tokens Nylas provides or uses?

See all 31 articles

• Multiple trash folders, which do I use?
• Why does Gmail returns 2 attachments for a message when ics file is attached?
• Resolving "501 Syntax Error - Line Too Long" in SMTP Emails
• Sending attachments in API V3 larger than 3MB via multipart
• Why does an event fail to update, with the values reverting back to their original state after an attempt to update them?”
• Endpoint 404 Errors: Explanation and Scenarios

See all 35 articles

• How do I change the name of Scheduler
• How can I capture when a customer has created a scheduler slug?
• How do I enable group or collective meetings?
• How do I whitelabel scheduler?
• Why is there no edit_hash query parameter in my scheduler Thankyou Redirect?
• How to parse information passed via Scheduler bookings.

See all 24 articles

• Why does a contact fail to update, with the values reverting back to their original state after an attempt to update them?
• Why do my accounts stay in the partial state?
• Why is the created_at timestamp less than the email received_at?
• Nylas has not synced all my emails I am using Nylas Free - limited to 10 accounts
• Delays in processing emails for Gmail accounts.
• Gmail accounts syncing with delays? Ensure you have PubSub setup

See all 15 articles

• Emails / Webhooks are delayed or missing
• What is the Difference Between Realtime and Incremental Webhooks in V3?
• Is the message.deleted webhook trigger supported?
• Handling Empty Body in message.created / object.created Webhooks
• V3 | Missing objects after an account disconnected for greater than 72 hours?
• Webhook spam / DDOS

See all 12 articles

• How to save a message as a EML file.
• Message getting disappeared after moving between folders
• Why is my message not sent when I received a 200 response from send API call?
• How do we know when a message is delete?
• Why does the search endpoint for Microsoft accounts returns different results than from the email client?
• Emails not syncing, missing emails, missing sent emails

See all 7 articles

• Receiving 429/403 error - Calendar usage limits exceeded
• Localhost not able to be used as Redirect URL
• Capturing Booking Details in Nylas Scheduling V3
• Failed to link V2 and V3 applications.
• How can I ensure that the customer authenticates the same account that they are logged into our application with?
• Understanding iCal UID in Microsoft Calendar Events.

See all 43 articles

• GMAIL server replies with 550-5.7.26 This mail has been blocked because the sender is unauthenticated
• Why are bounce replies or non-delivery reports (NDRs) not available?
• Why do I not receive a tracking message.opened webhook?
• Can you please let us know why this email bounced?
• SPF, DKIM, DMARC, and other domain records for sending
• We receive a 413 entity too large error when sending a file less than the 25mb limit

See all 7 articles

• Getting attachment with size 0

• How do I get a list of all stopped or problematic accounts?
• Why is my account status still initializing even though the configuration is correct?

• In API V3 All Day Events from Google and Microsoft add an additional day
• V3 | Unable to add my own custom URL to the event conference attribute
• Integrations adding conferencing Microsoft Teams / Zoom
• Notifications, enhanced events when updated return a 500 response
• Handling an instance of Recurring event - Gmail vs Microsoft
• Event got deleted right after being created

See all 9 articles

• How can we share emails across multiple accounts?
• How can we track emails sent between our users across our application?
• We've detected a problem, response when clicking on a tracking link
• Why am I seeing a high volume, large quantity of link clicks in an e-mail?
• Using tracking, how to prevent an open being recorded when the sender opens their own email?

• How to get a count of messages in v3?
• PHP | How to send a multipart message with an attachment larger than 3 MB using PHP?
• Email was sent but nobody received it
• How can I send using an alias? Sending using a different from name.
• Why has the mail provider rejected my message when sending through the API?
• What IP addresses are used for connecting to the provider / delivering mail to the provider?

See all 7 articles

• Is Nylas Microsoft Certified?
• How to complete the Google Security Review
• Are you GDPR compliant? Request DPA.
• Static IP addresses
• When authenticating receive 403 disallowed_useragent
• Do you support DUO or Yubikey?

See all 7 articles

• Are object ids unique among both Nylas apps Datacenters?

• No applications are visible when logging into the dashboard
• What happens if I change Google/Microsoft OAuth client ID and secret in the Nylas Dashboard?
• Which type of client app should I create in Nylas?

• Where is the option for Components?
• Can I send email/reply using Mailbox component?

• V3 dashboard has a billing role, what details of the credit card can those not in the billing role see?