Paymo + Xero
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.
Why integrate Paymo and Xero?
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.
Automate & integrate Paymo & Xero
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.
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.
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.
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.
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.
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.
Use case
Overdue Invoice Alerts and Project Flagging
When an invoice in Xero goes overdue, an automated alert fires in Paymo to flag the associated project and notify the account manager. This connects financial risk directly to the project team responsible for the client relationship, so escalation happens faster. Teams can pause work or prioritize follow-up based on payment status without cross-referencing reports manually.
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Paymo & Xero Challenges
What challenges are there when working with Paymo & Xero and how will using Tray.ai help?
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 Can Help:
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 Can Help:
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 Can Help:
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.
Challenge
Keeping Currency and Exchange Rate Data Consistent
Businesses billing international clients in multiple currencies run into trouble when Paymo and Xero apply different exchange rates or store currency data in different formats. The result is discrepancies in reported revenue and invoice totals across the two platforms.
How Tray.ai Can Help:
Tray.ai lets you standardize currency handling within the integration workflow — either by passing the exact currency and amount from Paymo into Xero without conversion, or by calling a currency rate API mid-workflow to apply a consistent rate before creating financial records in either system.
Challenge
Managing API Rate Limits During High-Volume Billing Runs
At the end of a billing period, a large volume of invoices and time entries may need to sync simultaneously between Paymo and Xero. Both APIs have rate limits that cause sync failures or dropped records if requests aren't throttled during bulk operations.
How Tray.ai Can Help:
Tray.ai's workflow engine has built-in rate limiting, retry logic, and queue management, so bulk sync jobs process records at a pace that respects API limits for both Paymo and Xero. Failed requests are automatically retried with exponential backoff, and error notifications flag any records that need manual review.
Start using our pre-built Paymo & Xero templates today
Start from scratch or use one of our pre-built Paymo & Xero templates to quickly solve your most common use cases.
Paymo & Xero Templates
Find pre-built Paymo & Xero solutions for common use cases
Template
Sync New Paymo Invoices to Xero Automatically
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.
Steps:
- Trigger fires when a new invoice is created or reaches approved status in Paymo
- Retrieve full invoice details including line items, client ID, tax codes, and due date from Paymo
- Look up or create the matching contact in Xero using the Paymo client email
- Create a new invoice in Xero with all mapped fields and set the appropriate invoice status
- Store the Xero invoice ID against the Paymo invoice for future reference and two-way updates
Connectors Used: Paymo, Xero
Template
Push Paymo Expenses to Xero as Bills
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.
Steps:
- Trigger fires when a new expense is added to a project in Paymo
- Extract expense details including amount, category, supplier, and project reference
- Map the Paymo expense category to the corresponding Xero account code using a lookup table
- Create a bill or spend transaction in Xero with the correct contact and account allocation
- Log the Xero transaction ID back to the Paymo expense record for traceability
Connectors Used: Paymo, Xero
Template
Mark Paymo Invoices as Paid When Xero Payment is Recorded
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.
Steps:
- Trigger fires when a payment is recorded against an invoice in Xero
- Retrieve the Xero invoice reference and match it to the corresponding Paymo invoice ID
- Call the Paymo API to update the invoice status to paid with the payment date
- Optionally notify the project manager in Paymo that the client payment has been received
Connectors Used: Xero, Paymo
Template
Two-Way Client Contact Sync Between Paymo and 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.
Steps:
- Trigger fires on new client creation in either Paymo or Xero
- Check whether a matching record already exists in the destination system using email as the unique key
- If no match is found, create the new contact or client record with all relevant fields mapped
- If a match exists, update the record with any new information from the source system
- Log the sync event to confirm successful two-way update
Connectors Used: Paymo, Xero
Template
Monthly Billable Hours Summary Invoice Creation
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.
Steps:
- Schedule trigger fires on the last working day of each billing period
- Query Paymo for all approved, uninvoiced time entries grouped by client and billing rate
- Calculate invoice line item totals per client applying the correct hourly rates
- Create a draft invoice in Paymo and push an identical draft invoice to Xero
- Notify the billing manager that invoices are ready for review and approval
Connectors Used: Paymo, Xero
Template
Overdue Xero Invoice Alert and Paymo Project Flag
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.
Steps:
- Scheduled trigger runs daily and queries Xero for all overdue invoices
- For each overdue invoice, retrieve the associated client and match to a project in Paymo
- Update the Paymo project with an overdue payment flag or custom field value
- Send an automated notification to the assigned account manager with invoice details and days overdue
- Log the overdue event to a reporting dataset for finance team review
Connectors Used: Xero, Paymo