# API reference

> Every Oatmilk action, generated from the definitions the API enforces. The OpenAPI 3.1 document is at https://app.getoatmilk.com/api/openapi.json.

- [Transactions](https://app.getoatmilk.com/docs/api/transactions.md): Entries, bank and card lines, categories, tags, accounts, reconciliation and statements. (115 actions)

- [Inbox and uploads](https://app.getoatmilk.com/docs/api/inbox.md): Receipts, file uploads, company mail, connected inboxes and processing jobs. (56 actions)

- [Matching](https://app.getoatmilk.com/docs/api/matching.md): Match receipts to bank transactions and review the decisions. (11 actions)

- [Autopilot](https://app.getoatmilk.com/docs/api/autopilot.md): What needs a person, Autopilot runs, receipt reminders and the investigator. (30 actions)

- [Invoicing](https://app.getoatmilk.com/docs/api/invoicing.md): Invoices, customers and vendors, and how they pay. (50 actions)

- [Documents and signing](https://app.getoatmilk.com/docs/api/documents.md): Agreements, e-signatures and kept records such as tax returns. (60 actions)

- [Contractors](https://app.getoatmilk.com/docs/api/contractors.md): The finance side of contractors: directory, timesheets, payouts and recruiting. (144 actions)

- [Contractor portal](https://app.getoatmilk.com/docs/api/contractor.md): A contractor's own hours, pay, agreements and profile, with a contractor sign-in. (43 actions)

- [Reports and tax](https://app.getoatmilk.com/docs/api/reports.md): Reports, exports, insights, subscriptions and tax preparation. (75 actions)

- [Compliance](https://app.getoatmilk.com/docs/api/compliance.md): The compliance checklist, deadlines and reminders. (10 actions)

- [Stripe](https://app.getoatmilk.com/docs/api/stripe.md): Stripe activity, payouts, exceptions and tax confirmation. (14 actions)

- [Connectors and webhooks](https://app.getoatmilk.com/docs/api/connectors.md): Webhooks, Wise, Notion, Google Drive and other data sources. (59 actions)

- [AI and memory](https://app.getoatmilk.com/docs/api/ai.md): AI settings, classifier guidance, memory, the sandbox and compliance research. (45 actions)

- [Administration](https://app.getoatmilk.com/docs/api/admin.md): Company settings, people, API keys, email, runs and suggestions. (95 actions)

- [History and rollback](https://app.getoatmilk.com/docs/api/history.md): Every change anyone made to the company, who made it and how, and previewed rollbacks. (7 actions)

- [Budgets and reserves](https://app.getoatmilk.com/docs/api/budgets.md): Spending plans, tax and accountant costs, reserve accounts and funding gaps before filing. (8 actions)