Skip to content
Let's Calendar logo

Let's Calendar integration

Let's Calendar is a powerful calendar management tool that helps you organize your schedule, set reminders, and share events with ease.

Actions
2
Triggers
1
Auth
Custom auth
License
MIT, open source
Updated
September 2026

About the Let's Calendar integration

Add the Let's Calendar piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine Let's Calendar with 760+ other apps in the same flow.

Triggers

Start a flow the moment something happens in Let's Calendar

Each trigger below can start a flow on its own, either instantly or on a schedule.

  • New Campaign

    Trigger when a new campaign is created

Actions

Everything Activepieces can do in Let's Calendar

Drop any of these into a flow and fill in the fields. No code is required.

  • Add Contact to Campaign

    Add a single contact to a campaign

    7 fields

  • Custom API Call

    Make custom API calls to Let's Calendar. Note: An access token must first be generated using your client key and secret key via the /access_token endpoint. This access token is then used to authenticate all subsequent API requests by adding it to the Authorization header as 'Bearer ${accessToken}'.

    10 fields

Use Let's Calendar in a flow

Connect Let's Calendar once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.

Let's Calendar, answered.

Yes. Activepieces is open source and free to start, and the Let's Calendar piece is included on every plan, from the free cloud tier to any self-hosted deployment.

Add the Let's Calendar piece to a flow, then authenticate with Custom auth. Once connected, its 1 trigger and 2 actions are available anywhere in the builder.

"New Campaign" can start a flow that runs "Add Contact to Campaign", and you can chain Let's Calendar together with any of 760+ other apps and AI steps in between.

Yes. Activepieces is fully self-hostable, so you can run the Let's Calendar piece on your own infrastructure with your connections and your data staying in your environment.

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call Let's Calendar actions as tools.