Integration with Xero works both ways and can be set either as manual or automatic. All you need to do is configure, which data you would like to synchronize.

Instead of creating different Odoo instance for each Xero organization (account), you can connect multiple Xero organizations (accounts) to one Odoo instance. So, if your Odoo instance has multiple company accounts, you can now connect each account to a different Xero organization (account). This way all data on your companies are in one place.

Use pagination to retrieve 100 data at a time. Endpoints that currently support pagination are invoices, credit notes, contacts and manual journals.

Use batches for put 50 data at a time. Endpoints that currently support batches are invoices, credit notes, contacts.

Import (Xero to Odoo)

• Currencies: Pulled from Xero with the initial sync and create a new currency in Odoo if not available.
• Chart Of Accounts: Chart Of Accounts in Odoo. Chart of Accounts is pulled from Xero with the initial sync.
• Taxes / Tax Rates: Pulled from Xero with the initial sync. Any changes in Tax Rates in Xero are synced to Odoo.
• Contact Groups / Contact Tags: Pulled from Xero with the initial sync and create new Contact Tags in Odoo.
• Contacts (Suppliers / Customers): All contacts which are stored in Xero, it could be Supplier or Customer.
• Bank Accounts: Accounts with bank type (not bank transaction and other details).
• Manual Journal: All type of manual journal, which is recorded directly in Xero.
• Items / Products: Products with its details (sale price, cost price, accounts, taxes etc), Also manage tracked and Untracked Products.
• Invoices: Customer Invoices with taxes. Also, create payment lines in Odoo if an invoice is paid fully or partially in Xero.
• Bills: Bills with taxes. Also, create payment lines in Odoo if bills are paid fully or partially in Xero.
• Credit Note (ACCRECCREDIT): An Account Receivable (customer) Credit Note with payment and allocations.
• Credit Note (ACCPAYCREDIT): An Accounts Payable (supplier) Credit Note with payment and allocations.

Export (Odoo to Xero)

• Chart Of Accounts: Chart Of Accounts in Xero. Chart of Accounts is created in Xero with the initial sync.
• Taxes / Tax Rates: Tax Rates in Xero. Tax rates are created in Xero with the initial sync.
• Contact Groups / Contact Tags: All Contact Tags of Odoo will be created as Contact Groups in Xero.
• Contacts (Suppliers / Customers): All contacts which are stored in Odoo, whether Customer or Supplier.
• Bank Accounts: Accounts with bank type.
• Items / Products: Products with its details (sale price, cost price, accounts, taxes etc), Also manage tracked and Untracked Products.
• Invoices: Customer Invoice with tax. Also, create a payment in Xero if an invoice is paid fully or partially in Odoo.
• Bills: Bills with tax. Also, create a payment in Xero if bills are paid fully or partially in Odoo.
• Credit Note (ACCRECCREDIT): An Account Receivable (customer) Credit Note with payment and allocations.
• Credit Note (ACCPAYCREDIT): An Accounts Payable (supplier) Credit Note with payment and allocations.
• Inventory Adjustment: For tracked product, if qty will be increasing or decreasing in Odoo using an option like (Buying and selling inventory - bills and invoices, By Inventory adjustment, By Manufacturing process) it will be reflected in Xero.
• Attachment: Attachments of Invoice/Vendor Bill will be sent to Xero.

Xero setup guide

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