# Services from ledger-api.novadyne.ai on Zero

> ledger-api.novadyne.ai serves 7 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/ledger-api.novadyne.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/ledger-api.novadyne.ai/health.json

## Services

- [Ledger by Novadyne – Trial Balance Report](https://www.zero.xyz/c/ledger-by-novadyne-trial-balance-report-90f34e28/llms.txt): $0.002/call via x402. Generates a double-entry trial balance report showing all account totals, total debits, and total credits as of a specified date.
- [Ledger by Novadyne – Reverse Transaction](https://www.zero.xyz/c/ledger-by-novadyne-reverse-transaction-202f1fba/llms.txt): $0.01/call via x402. Reverses a previously recorded double-entry ledger transaction by its ID, creating a compensating entry with an optional reason.
- [Ledger by Novadyne – Create Account](https://www.zero.xyz/c/ledger-by-novadyne-create-account-387c1e1d/llms.txt): $0.01/call via x402. Creates a new account node in a double-entry ledger hierarchy, returning the account's ID, name, and type.
- [Ledger by Novadyne – General Ledger Report](https://www.zero.xyz/c/ledger-by-novadyne-general-ledger-report-c2bafbb8/llms.txt): $0.002/call via x402. Retrieves double-entry general ledger entries for a specified date range, optionally filtered by account.
- [Ledger by Novadyne – Get Transaction by ID](https://www.zero.xyz/c/ledger-by-novadyne-get-transaction-by-id-a72731b3/llms.txt): $0.01/call via x402. Retrieves a specific double-entry ledger transaction by its numeric ID, returning the transaction date and its journal entries.
- [Ledger by Novadyne – Create Transaction](https://www.zero.xyz/c/ledger-by-novadyne-create-transaction-be4f6e9e/llms.txt): $0.01/call via x402. Records a double-entry ledger transaction with a date, journal entries, and optional description, returning the created transaction ID and date.
- [Ledger by Novadyne – Get Account Balance](https://www.zero.xyz/c/ledger-by-novadyne-get-account-balance-ea2a79b2/llms.txt): $0.002/call via x402. Retrieves a double-entry ledger account's ID, name, and balance as of an optional date using Ed25519 capability tokens and x402 micropayments.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)