Step-by-Step Guide on How to Develop Xero Integration via API2Cart
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Connect your Xero organization
Add your clients' Xero organization to your API2Cart account or test which data you can work with using our demo environment.
Integrate your software with API2Cart
Develop an integration between your software or app and API2Cart's unified Accounting API.
List of methods for Xero Integration
Account
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account.list
Use this method to retrieve one or more accounts from a business entity's chart of accounts, as well as the total count of accounts. -
account.add
Use this method to create a new account. -
account.update
Use this method to update an existing account. -
account.delete
Use this method to delete an account.
Bill
-
bill.list
Use this method to retrieve one or more bills, as well as the total count of bills. -
bill.add
Use this method to create a new bill. -
bill.update
Use this method to update a bill. -
bill.credit_note.list
Use this method to retrieve one or more credit notes, as well as the total count of credit notes. -
bill.credit_note.add
Use this method to create a new bill credit note. -
bill.credit_note.update
Use this method to update a bill credit note. -
bill.credit_note.delete
Use this method to delete a bill credit note. -
bill.payment.list
Use this method to retrieve bill payments, prepayments, or overpayments. For platforms that support multiple payment types, use thetypeparameter to retrieve payments of a specific type. The response also includes the total count. -
bill.payment.add
Use this method to create a bill payment, prepayment, or overpayment. Use thetypeparameter to define the payment type to create. -
bill.payment.update
Use this method to update a bill payment, prepayment, or overpayment. -
bill.payment.delete
Use this method to delete a bill payment, prepayment, or overpayment.
Connection
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connection.list
This method allows you to retrieve a list of all external platforms integrated with your account. -
connection.validate
This method clears the integration cache for a specific platform and verifies the current connection status. Use this method if there have been any changes to the external system's settings, such as the installation or removal of new plugins or modules. -
connection.supported_integrations
Use this method to retrieve a list of supported platforms integrations and the sets of parameters required for connecting to each of them. Note: some platforms may have multiple connection methods so that the response will contain multiple sets of parameters. -
connection.add
Use this method to automate the process of integrating external platforms with our API. The list of parameters will vary depending on the platform type. To get a list of parameters specific to a particular integration, you need to execute the connection.supported_integrations method. -
connection.update
Use this method to automate the update of credentials used for platform integrations. The list of supported parameters differs depending on the specific platform. -
connection.delete
Use this method to remove an existing platform integration from your account and stops all data synchronization for this specific connection.
Contact
-
contact.list
Use this method to retrieve one or more contacts, as well as the total count of contacts. -
contact.add
Use this method to create a new contact. -
contact.update
Use this method to update a contact. -
contact.delete
Use this method to delete a contact.
Invoice
-
invoice.list
Use this method to retrieve one or more invoices, as well as the total count of invoices. -
invoice.add
Use this method to create a new invoice. -
invoice.update
Use this method to update an invoice.
Item
-
item.list
Use this method to retrieve one or multiple items, as well as the total count of items. -
item.add
Use this method to create a new item. -
item.update
Use this method to update an existing item. -
item.delete
Use this method to delete an item.
Organization
-
organization.list
This method allows you to retrieve a list of all organizations connected to the account in the corresponding accounting platform.
Purchase order
-
purchase_order.list
Use this method to retrieve one or more purchase orders, as well as the total count of purchase orders. -
purchase_order.add
Use this method to create a new purchase order. -
purchase_order.update
Use this method to update a purchase order. -
purchase_order.delete
Use this method to delete a purchase order.
Tax
-
tax.rate.list
Use this method to retrieve one or more tax rates, as well as the total count of tax rates.
How API2Cart's Accounting API Works with Xero
Based on Xero's own OAuth 2.0 and Accounting API documentation.
Background
Xero was founded in 2006. Its cloud accounting platform and app ecosystem are built around small businesses, accountants, and bookkeepers.
What You Can Work With
Through API2Cart, you can access Xero's contacts, invoices, bills, bill credit notes, bill payments, accounts, tax rates, organizations, and purchase orders — all within the tenant (organization) your client connects.
How the Connection Works
Xero uses OAuth 2.0 with scoped tenant connections, a REST Accounting API, webhooks, and pagination. API2Cart handles tenant selection, token refresh, and disconnects on your behalf, so your app talks to one unified Accounting API instead of building and maintaining the OAuth flow yourself.
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FAQs
What is Xero integration?
Xero integration is the process of connecting SaaS or apps with Xero organizations. Through this connection, they can get, add, update and sync accounting data such as accounts, bills, invoices, contacts, and purchase orders with ease. With API2Cart, you can build a secure Xero integration quickly using a single unified Accounting API that also connects your app to other accounting platforms at once.
How to integrate with the Xero API?
You can integrate with the Xero API directly, but this approach requires implementing OAuth 2.0, managing tenant connections, and handling ongoing maintenance as the API evolves. A faster and more efficient option is to use a ready-made integration solution like API2Cart. It provides a unified Accounting API that enables your SaaS to connect with Xero and other accounting platforms. This approach saves time, reduces costs, and minimizes technical complexity, allowing your team to focus on core product development instead of maintaining multiple integrations.
What happens if Xero updates its API?
If Xero updates its API, you don't need to worry when using API2Cart. The service constantly monitors API changes and keeps your integration stable. This means your software or app continues to work smoothly without additional coding, version tracking, or maintenance efforts from your side.
