Connectors / Integration
Connect Paymo and Xero to Automate Project Billing and Accounting
Sync time tracking, invoices, and project financials between Paymo and Xero — no manual data entry required.
Paymo + Xero integration
Paymo and Xero are a natural pairing for service businesses that need to bridge project management with accounting. Paymo captures every billable hour, expense, and project milestone, while Xero handles the financial side from invoicing to reconciliation. Together, they close the gap between doing the work and getting paid for it.
When Paymo and Xero run separately, finance and project teams waste hours each week re-entering invoices, reconciling client records, and chasing billable time that never made it into the accounting system. Connecting the two means approved invoices in Paymo flow automatically into Xero, clients and contacts stay in sync across both systems, and project expenses land in your accounts without anyone touching them twice. The result is faster invoicing, cleaner books, and a real-time view of project profitability.
Automate & integrate Paymo + Xero
Automating Paymo and Xero business processes or integrating data is made easy with Tray.ai.
Use case
Automatic Invoice Sync from Paymo to Xero
When an invoice is created or approved in Paymo, it's automatically pushed into Xero as a draft or approved invoice, with line items, tax codes, and due dates intact. Finance teams can review and reconcile invoices in Xero without ever leaving their accounting workflow — and without re-entering anything by hand.
- Eliminates manual invoice re-entry between systems
- Reduces billing errors from copy-paste mistakes
- Accelerates invoice-to-cash cycle time
Use case
Client and Contact Record Synchronization
Keep client records consistent across Paymo and Xero by automatically creating or updating contacts whenever a new client is added to either platform. When a new project client is onboarded in Paymo, their details appear in Xero so invoices can be raised immediately. Updates to billing addresses, emails, or payment terms stay current without manual reconciliation.
- Single source of truth for all client contact data
- Prevents invoices being sent to outdated addresses
- Saves time onboarding new clients across both tools
Use case
Project Expense Tracking to Xero
Expenses logged against projects in Paymo are automatically recorded as bills or spend transactions in Xero, giving accountants full visibility into project-level costs. Profit and loss reporting in Xero reflects actual project expenditure without waiting for manual uploads. Teams can approve expenses in Paymo knowing they'll land in the correct Xero account automatically.
- Real-time visibility into project profitability in Xero
- Eliminates end-of-month expense reconciliation bottlenecks
- Maps Paymo expense categories to the correct Xero chart of accounts
Use case
Payment Status Updates Back to Paymo
When a Xero invoice is marked as paid, the corresponding invoice in Paymo updates automatically, keeping project billing status accurate. Project managers can see which clients have paid directly in Paymo without logging into Xero — and it stops duplicate follow-up emails going out to clients who've already settled.
- Keeps invoice status accurate across both platforms in real time
- Prevents chasing clients who have already paid
- Gives project managers instant visibility into cash flow status
Use case
Billable Time Consolidation for Invoicing
Automatically aggregate approved timesheets and billable hours from Paymo and prepare summarized invoice data ready for creation in Xero. Instead of manually calculating billable totals at the end of each billing period, the integration compiles time entries by client, applies the correct billing rates, and generates invoice-ready records. Monthly billing runs get faster, and no billable time falls through the cracks.
- Ensures 100% of billable time is captured in every invoice
- Reduces time spent on month-end billing preparation
- Applies correct rates per client or project automatically
Use case
New Xero Contact Triggers Paymo Client Creation
When a new contact is added in Xero as a customer, a corresponding client record is created in Paymo so projects can start immediately. This is especially useful for accounting-led onboarding workflows where finance creates the client record before project work begins — no waiting on manual data entry across both systems.
- Speeds up client onboarding for project kickoff
- Keeps client databases consistent from day one
- Reduces friction between finance and project delivery teams
Challenges Tray.ai solves
Common obstacles when integrating Paymo and Xero — and how Tray.ai handles them.
Challenge
Mapping Paymo Tax Codes to Xero Tax Rates
Paymo and Xero use different systems for defining tax and VAT configurations, so a direct field mapping often applies incorrect tax codes to invoices created in Xero. This gets messy fast for businesses operating across multiple tax jurisdictions or with a mix of zero-rated and standard-rated billing.
How Tray.ai helps
Tray.ai's data transformation tools let you build a configurable lookup table that maps each Paymo tax identifier to the correct Xero tax type before the invoice record is created. This logic runs inside the workflow and can be updated without engineering involvement, so tax accuracy holds even as configurations change.
Challenge
Preventing Duplicate Invoices and Contacts
Without deduplication logic, syncing data in both directions can produce duplicate invoices or multiple contact records for the same client. That creates reconciliation headaches and erodes confidence in the data across both systems.
How Tray.ai helps
Tray.ai supports conditional logic and data lookups that check for existing records before creating new ones. By using email address or external reference IDs as unique keys, workflows detect duplicates and update existing records rather than creating new ones, keeping both platforms clean.
Challenge
Handling Partial Payments and Credit Notes
Real-world billing often involves partial payments, deposits, or credit notes that create complex invoice states in Xero which don't map cleanly to Paymo's invoice model. Managing these edge cases manually is slow and introduces errors that affect both financial reporting and client records.
How Tray.ai helps
Tray.ai workflows can include branching logic that handles different payment scenarios specifically. Credit notes, partial payment events, and write-offs detected in Xero each trigger distinct update paths in Paymo, so both systems accurately reflect the true billing state without oversimplifying complex transactions.
Sync New Paymo Invoices to Xero Automatically
Paymo 
Xero Whenever a new invoice is created and approved in Paymo, this template automatically creates a matching invoice in Xero with line items, tax details, client references, and due dates mapped correctly. No manual invoice entry in the accounting system, and both platforms stay in sync.
Push Paymo Expenses to Xero as Bills
Paymo Xero This template watches for new expenses logged in Paymo and automatically creates corresponding spend transactions or bills in Xero, mapped to the correct account code and supplier. Project costs show up in your accounting system in real time — no end-of-month expense imports.
Mark Paymo Invoices as Paid When Xero Payment is Recorded
Xero Paymo When a payment is applied to an invoice in Xero, this template automatically updates the corresponding invoice in Paymo to reflect the paid status. Project billing records stay accurate across both platforms without anyone doing it by hand.
Two-Way Client Contact Sync Between Paymo and Xero
Paymo Xero This template keeps client records synchronized in both directions. New clients added in Paymo create contacts in Xero, and new customers added in Xero create clients in Paymo, with deduplication logic to prevent duplicate records.
Monthly Billable Hours Summary Invoice Creation
Paymo Xero At the end of each billing period, this template retrieves all approved billable time entries from Paymo for each active client, calculates totals by billing rate, and creates a summarized invoice in both Paymo and Xero ready for review and sending.
Overdue Xero Invoice Alert and Paymo Project Flag
Xero Paymo This template monitors Xero for invoices that have passed their due date, flags the related project in Paymo, sends an internal alert to the account manager, and logs the overdue event for reporting.
How Tray.ai makes this work
Paymo + Xero runs on the full Tray.ai platform
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Build AI agents that read, write, and take action in Paymo and Xero — with guardrails, audit, and human-in-the-loop.
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Expose Paymo + Xero actions as governed MCP tools — observable, rate-limited, authenticated.
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