List bank, credit, investment, loan, and manual accounts. Compact output always includes account IDs, balances, institutions, and freshness.

Get securities and positions for one investment account.

Get the complete available daily balance history for one account.

Get daily balance arrays for every account starting on a date.

Get daily aggregate balances across accounts, optionally filtered by account type.

Get monthly or yearly balance snapshots grouped by account type.

List valid Monarch account types and subtypes for manual-account operations.

List linked institutions, credentials, accounts, and connection state.

Get the Monarch plan, entitlement, trial, and payment-source metadata.

Check whether a prior institution refresh has completed.

Ask linked institutions for current balances and transactions, wait for completion by default, then return fresh account metadata. Omit account_ids to refresh every account.

Create a manual Monarch account.

Update the supplied fields on an existing Monarch account.

Delete a Monarch account by ID.

Search and filter transactions with exact pagination. Compact results retain transaction, account, category, merchant, and tag IDs.

Get full details for one transaction.

Get the split legs for one transaction.

List all transaction categories with IDs and category groups.

List all transaction category groups with IDs.

List all transaction tags with IDs, names, colors, and usage counts.

Create a manual transaction in an account.

Update only the supplied transaction fields: category, merchant, goal, amount, date, notes, report visibility, or review state.

Delete a transaction by ID.

Replace all split legs on a transaction. Amounts must sum to the parent amount; pass an empty splits array to remove splits.

Replace all tags on a transaction. Pass an empty tag_ids array to remove all tags.

Create a reusable transaction tag.

Create a category in an existing category group.

Delete a category, optionally moving its transactions to another category first.

Get planned, actual, remaining, and rollover amounts by category and month. Omit both dates for the previous through next month.

Set a monthly budget for exactly one category or category group. Use amount 0 to clear it.

Get income and expense aggregates grouped by category, category group, and merchant. Omit both dates for the current month.

Get exact aggregate income, expenses, savings, and savings rate for a date range. Omit both dates for the current month.

Get upcoming recurring bills, subscriptions, transfers, and income. Omit both dates for the current month.