Xero Accounting API

API

Sync Xero invoices, contacts, payments and accounts

Price: Free Starter tier; paid tiers
Access: OAuth 2.0 and Xero tenant ID

About

Xero Accounting API gives authorized apps access to an organisation's invoices, contacts, payments and accounting records. OAuth 2.0 grants access to a connected tenant, and Xero provides a local MCP server for accounting workflows.

What you can do with it

Read and sync invoices from a connected Xero organisation
Create or update accounting contacts from another system
Retrieve payments and account records for reconciliation

Get started

Register a Xero developer app and request accounting scopes
Authorize a Xero organisation with OAuth 2.0
Send the token and tenant ID when requesting invoices

Example

curl "https://api.xero.com/api.xro/2.0/Invoices" \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  -H "xero-tenant-id: $XERO_TENANT_ID" \
  -H "Accept: application/json"

Details

Hosting: Hosted service
Available in: Worldwide
MCP server: Local