Nylas
api.us.nylas.com
Unified API for email, calendar, and contacts. Connect to Gmail, Outlook, Exchange, and other providers through a single REST interface to read, send, and manage communications.
Enable this service
This service is in the catalog but not part of v1 launch billing. To use it, run the command below and provide your own API key in the local config page — the gateway will call it under your account.
api_key
free
1.0
https://api.us.nylas.com
May 4, 2026
Health
This is a community-maintained manifest. Health monitoring is not available because this service doesn't host its own /.well-known/agent endpoint yet. Learn more about trust levels →
Top Capabilities
Most commonly used operations — ready to call without drill-down.
calendar_list
GETList all calendars for a grant.
GET https://api.us.nylas.com/v3/grants/{grant_id}/calendars
grant_id (string, required) — Grant ID (path parameter).
contact_list
GETList contacts for a grant.
GET https://api.us.nylas.com/v3/grants/{grant_id}/contacts
grant_id (string, required) — Grant ID (path parameter).
limit (integer) — Number of results.
page_token (string) — Pagination token.
draft_list
GETList all drafts.
GET https://api.us.nylas.com/v3/grants/{grant_id}/drafts
grant_id (string, required) — Grant ID (path parameter).
limit (integer) — Number of results.
page_token (string) — Pagination token.
All Capabilities (43)
calendar (5)
Create a new calendar.
Delete a calendar.
Retrieve a specific calendar.
List all calendars for a grant.
Update a calendar.
contact (5)
Create a new contact.
Delete a contact.
Retrieve a specific contact.
List contacts for a grant.
Update a contact.
draft (6)
Create a new email draft.
Delete a draft.
Retrieve a specific draft.
List all drafts.
Send an existing draft.
Update an existing draft.
event (6)
Create a new calendar event.
Delete a calendar event.
Retrieve a specific calendar event.
List events on a calendar.
Send an RSVP response to a calendar event.
Update a calendar event.
folder (5)
Create a new folder/label.
Delete a folder/label.
Retrieve a specific folder.
List all folders/labels.
Update a folder/label.
grant (3)
Delete a grant and revoke access.
Retrieve a specific grant.
List all grants (authenticated user connections).
message (5)
Delete or trash a specific message.
Retrieve a specific message by ID.
List messages from a user's mailbox with filtering.
Send an email message.
Update message attributes like unread status or folders.
thread (3)
Retrieve a specific thread.
List email threads.
Update thread attributes.
webhook (5)
Create a webhook subscription.
Delete a webhook subscription.
Retrieve a specific webhook.
List all webhook subscriptions.
Update a webhook subscription.
Agent Preview
This is what an AI agent sees when it discovers this service via the Gateway:
Service: Nylas
Description: Unified API for email, calendar, and contacts. Connect to Gmail, Outlook, Exchange, and other providers through a single REST interface to read, send, and manage communications.
Auth: api_key
Capabilities (43 total):
calendar (5):
- calendar_create: Create a new calendar.
- calendar_delete: Delete a calendar.
- calendar_get: Retrieve a specific calendar.
- calendar_list: List all calendars for a grant.
- calendar_update: Update a calendar.
contact (5):
- contact_create: Create a new contact.
- contact_delete: Delete a contact.
- contact_get: Retrieve a specific contact.
- contact_list: List contacts for a grant.
- contact_update: Update a contact.
draft (6):
- draft_create: Create a new email draft.
- draft_delete: Delete a draft.
- draft_get: Retrieve a specific draft.
- draft_list: List all drafts.
- draft_send: Send an existing draft.
- draft_update: Update an existing draft.
event (6):
- event_create: Create a new calendar event.
- event_delete: Delete a calendar event.
- event_get: Retrieve a specific calendar event.
- event_list: List events on a calendar.
- event_rsvp: Send an RSVP response to a calendar event.
- event_update: Update a calendar event.
folder (5):
- folder_create: Create a new folder/label.
- folder_delete: Delete a folder/label.
- folder_get: Retrieve a specific folder.
- folder_list: List all folders/labels.
- folder_update: Update a folder/label.
grant (3):
- grant_delete: Delete a grant and revoke access.
- grant_get: Retrieve a specific grant.
- grant_list: List all grants (authenticated user connections).
message (5):
- message_delete: Delete or trash a specific message.
- message_get: Retrieve a specific message by ID.
- message_list: List messages from a user's mailbox with filtering.
- message_send: Send an email message.
- message_update: Update message attributes like unread status or folders.
thread (3):
- thread_get: Retrieve a specific thread.
- thread_list: List email threads.
- thread_update: Update thread attributes.
webhook (5):
- webhook_create: Create a webhook subscription.
- webhook_delete: Delete a webhook subscription.
- webhook_get: Retrieve a specific webhook.
- webhook_list: List all webhook subscriptions.
- webhook_update: Update a webhook subscription.
Top capabilities (ready to call):
- calendar_list: GET /v3/grants/{grant_id}/calendars
- contact_list: GET /v3/grants/{grant_id}/contacts
- draft_list: GET /v3/grants/{grant_id}/drafts