Developers

Build with Oatmilk

Add receipts, sync invoices, react to events and connect AI assistants, with the same actions the Oatmilk app uses.

Your first request

Walk through it
curl -G https://app.getoatmilk.com/api/v1/accounting/entries.list \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  --data-urlencode 'limit=5'

775 actions · 43 contractor actions · 53 webhook events · 16 MCP toolsets

No code needed

Use Oatmilk from Claude or ChatGPT

Connect it in about a minute, then ask what needs you, add receipts or draft an invoice, with your own access.

Connect your AI app

Choose where to start

Tutorials

Complete, working integrations you can copy and adapt.

API reference

Generated from the definitions the API enforces, so it's always current.

Docs your AI tools can read

Every page has a Markdown twin, and /llms.txt maps the whole platform for language models and coding assistants.