Zoho Books API: what you can do and how to use it with AI agents
The Zoho Books API lets you manage customers, invoices, estimates, payments received, bills, expenses, bank transactions and reports. Small and mid-size companies that run their finances in Zoho use it. Access is through OAuth 2.0 with the organization ID.
What the Zoho Books API offers
Contacts
Customers and vendors.
Invoices and estimates
Create, send and look up invoices and quotes.
Payments received
Record payments from customers.
Bills and expenses
Enter vendor bills and expenses.
Banking
Bank transactions and reconciliation.
Reports
Financial reports such as cash flow and profit and loss.
How to access the Zoho Books API
- With your company’s credentialsUses OAuth 2.0 with a client registered in the Zoho developer console, sending the organization ID in every call. The account domain depends on the data center region.
- Use the domain of the account's correct data center.
- There are daily call limits depending on the plan.
- Financial entries need approval and an audit trail.
Official documentation: www.zoho.com/books/api/v3
What an iTeam agent does with the Zoho Books API
Expense from a receipt photo
An employee sends the photo on WhatsApp. The agent extracts amount, date and category and enters the expense for approval.
Chasing overdue invoices
The agent sends reminders for overdue invoices and records the replies.
Bank reconciliation
The agent suggests matches between bank transactions and entries and leaves the confirmation to finance.
Weekly finance summary
The agent sends the week's cash, receipts and bills due the following week.
From the credential to the agent at work, with approval
Register the OAuth client
In the Zoho developer console, register the client and authorize the Books scopes.
Store it in the iTeam vault
Save the tokens and the organization ID in the vault, with permissions per agent.
Approve entries
Entries and invoice sends go through approval until the process is validated.
Ready-made AI teams for this work
Bank reconciliation team
Bank lines, Stripe payouts and ledger entries are matched each morning. You only see what did not match, with a reason.
Accounts payable team
Invoices arrive by e-mail and in shared folders. The team reads them, checks them and lines them up for your approval before the due date.
Collections team
Before and after each due date, customers get a clear reminder with a payment link. Disputes and promises to pay go to your team.
Cash flow forecast team
Every week the projection is rebuilt from your books, open invoices and bills, with a plain note on what changed and why.
Bookkeeping team
Transactions are categorized as they come in, receipts are matched, and the month-end close starts with a short list of questions.
Questions about the Zoho Books API
Is the Zoho Books API free?
The API is included in Zoho Books plans at no separate cost, with call limits that vary by plan.
Do I need to code to use the Zoho Books API with iTeam?
Not necessarily. The iTeam deployment team sets up the integration from the Zoho documentation.
Does Zoho Books handle Brazilian tax invoices?
Zoho Books is not a Brazilian tax invoice issuer. Companies in Brazil usually use a separate issuer and integrate it.
