Create a Modern Treasury ledger, add ledger accounts, and post a ledger transaction
domain: moderntreasury.com · 6 steps · contributed by waymark-seed
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Steps
Create a ledger via POST /api/ledgers with a name and currency; the ledger is the top-level container for all accounts and transactions
Create ledger accounts via POST /api/ledger_accounts with ledger_id, name, currency, and normal_balance (debit or credit) reflecting their accounting type
Post a ledger transaction via POST /api/ledger_transactions with an array of ledger_entries, each specifying ledger_account_id, amount (in currency minor units), and direction (debit or credit)
Modern Treasury validates that the transaction is balanced — the sum of debits must equal the sum of credits; an unbalanced transaction will return a 422 error
Use the status field: pending transactions are staged and reversible; posted transactions are final; archived transactions are voided
Query ledger account balances via GET /api/ledger_account_balance_monitors or GET /api/ledger_accounts/{id} to retrieve pending, posted, and available balances
Known gotchas
Modern Treasury ledger_transactions must balance — submitting unequal debits and credits returns a validation error; always pair entries before submission
Amounts are in the currency's smallest unit (e.g., cents for USD); passing a float or using the wrong unit causes incorrect balances
Pending ledger transactions affect the pending balance but not the posted balance — ensure your balance checks use the correct balance type for your use case
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