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LifeButler API

Connect your own code, automations and AI assistants to LifeButler. The API reaches the same things you use in the app – calendar, tasks, lists, documents, smart search and the butler – for the workspaces you choose.

The API and the MCP server come with LifeButler Pro (your personal space and 1 shared workspace) and Premium (your personal space and 5 shared workspaces). Only owners and admins of a workspace can use the API for it.

What you can build#

  • Home automation – put "Milch" on the shopping list when the fridge sensor says so (Home Assistant, n8n, Make).
  • Calendar sync – push appointments from a club or school system into the family calendar.
  • Paperless household – upload scans from a folder; LifeButler files them and reads out amounts, deadlines and dates.
  • AI assistants – let Claude, ChatGPT or Cursor read your week, add tasks and ask the butler, through the MCP server.

Quickstart#

1. Create a key. In the app: Settings → API & MCP → Create key. Pick the workspaces and permissions, copy the key (lb_live_…). It is shown only once.

2. Find your workspaces.

Shell
curl https://api.lifebutler.io/v1/workspaces \
  -H "Authorization: Bearer $LIFEBUTLER_KEY"
JSON
{
  "data": [
    { "id": "Xk2pQ8sLr1", "name": "", "type": "personal", "personal": true, "role": "owner", "aiEnabled": true, "status": "active" },
    { "id": "f8Hn3wQz0a", "name": "Familie Berger", "type": "family", "personal": false, "role": "admin", "aiEnabled": true, "status": "active" }
  ]
}

3. Do something useful.

Shell
# What's on this week?
curl "https://api.lifebutler.io/v1/workspaces/f8Hn3wQz0a/events?from=2026-11-16&to=2026-11-22" \
  -H "Authorization: Bearer $LIFEBUTLER_KEY"

# Put two things on the shopping list
curl -X POST https://api.lifebutler.io/v1/workspaces/f8Hn3wQz0a/lists/L1st1d/items \
  -H "Authorization: Bearer $LIFEBUTLER_KEY" -H "Content-Type: application/json" \
  -d '{"items": ["Milch", "Eier (10)"]}'

# Ask the butler
curl -X POST https://api.lifebutler.io/v1/workspaces/f8Hn3wQz0a/butler \
  -H "Authorization: Bearer $LIFEBUTLER_KEY" -H "Content-Type: application/json" \
  -d '{"question": "Wann ist die nächste Elternversammlung?"}'

Basics#

Base URLhttps://api.lifebutler.io/v1
MCP serverhttps://api.lifebutler.io/mcp (Streamable HTTP)
AuthAuthorization: Bearer lb_live_… – see Authentication
FormatJSON in and out (documents: raw file bytes)
TimesISO 8601 with the Europe/Berlin offset – see Conventions
SpecOpenAPI 3.1
Limits120 requests per minute and key
HostingGermany (Frankfurt); AI only in the EU

Building with an AI coding assistant?#

Give it the LLM prompt. Every page of these docs is also available as Markdown – add .md to the address (e.g. /developers/authentication.md) – and /developers/llms.txt lists them all.

Next steps#