Nylas Connectors (Integrations) API

In Nylas, a connector (formerly called an "integration") stores information that allows your Nylas application to connect to a third party services, such as a provider auth application from Google (GCP), Microsoft (Azure), or to an IMAP provider. You must create a connector in your Nylas application for each specific provider before you can create Grants and access user data from that provider. A Nylas connector stores data about how your Nylas application contacts the provider, the default permissions the Nylas application requests, and is generally the starting point for any authentication with that provider. ## Connector contents The connector stores a label provided by the user, the provider name or type (for example, `google`/`microsoft`/`imap`/`virtual_calendar`), an expiry time for the hosted authentication link, and the provider settings. The "provider's settings" come from the provider itself when you create your provider auth application on Google, Azure, or IMAP. For example, a provider's settings might contain the provider auth application's `client_id` and `client_secret`. Nylas stores these values securely and uses them as default credentials when authenticating with that provider. Nylas follows modern security best practices to encode and encrypt these provider settings, to ensure that they can never be obtained by a third party, including Nylas internal employees. ### What are limitations of connectors? Connectors are associated with a single [Nylas application](/docs/reference/api/applications/). You can have only one Nylas connector for each type of provider. For example, your Nylas application can have only one Google connector. If you want to create a grant for a different provider auth application, (for example, on a different GCP project, but you already have a default Google connector), you can create additional credentials for your connector. Each connector can have multiple credentials, where each credential represents a different provider auth application. For more information, see [Using multiple provider applications](/docs/v3/auth/using-multiple-provider-applications/).

Operations 6

POST /v3/connectors Create a connector #
GET /v3/connectors List connectors #
GET /v3/connectors/{provider} Get connector #
PATCH /v3/connectors/{provider} Update a connector #
DELETE /v3/connectors/{provider} Delete a connector #
POST /v3/providers/detect Detect provider #

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OpenAPI Specification

nylas-connectors-integrations-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Nylas Connectors (Integrations) API
  version: v3
  summary: The complete Nylas v3 API — Email, Calendar, Contacts, Notetaker, Scheduling, Administration, and Migration.
  description: The Nylas API is designed using the REST ideology to provide simple and predictable URIs to access and modify objects.
  contact:
    url: https://www.nylas.com/
  x-provenance:
    method: harvested
    first_party: true
    publisher: Nylas
    source: https://developer.nylas.com/_spec-files/nylas-api.yaml
    harvested: '2026-08-21'
    sha256: 7ff001d571e163b1ffe22178741b59f813d8208ec878157a839a33dc2c13fd35
    bytes: 1666223
    note: 'Published by Nylas as the unified contract for the Nylas v3 API and stored verbatim; API Evangelist added only this provenance block. Submitted by the provider in api-evangelist/nylas#1 and verified against the live URL before harvest: OpenAPI 3.1.0, 118 paths, 208 operations, 174 component schemas, 100% of operations carrying summary, description, tag and a unique operationId, x-code-samples on 208 of 208. This document REPLACES a 22-operation scaffold API Evangelist derived from reading the documentation, now quarantined under openapi/_scaffold/.'
  x-evidence:
  - url: https://developer.nylas.com/_spec-files/nylas-api.yaml
    what: the published unified contract, harvested verbatim 2026-08-21 (200, text/yaml, 1,666,223 bytes)
  - url: https://developer.nylas.com/.well-known/api-catalog
    what: RFC 9727 linkset advertising that URL as service-desc for api.us.nylas.com and api.eu.nylas.com (200, application/linkset+json)
servers:
- url: https://api.us.nylas.com
  description: U.S.
- url: https://api.eu.nylas.com
  description: E.U.
security:
- ACCESS_TOKEN: []
- NYLAS_API_KEY: []
tags:


# --- truncated at 32 KB (42 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/nylas/refs/heads/main/openapi/nylas-connectors-integrations-api-openapi.yml