Saasu + Wave

Connect Saasu to Wave: The Integration Professional Services Businesses Trust

Tired of copying data between Saasu and Wave by hand? Our Harvard-educated automation team builds a custom integration that syncs your data in real time - set up in 2 weeks.

8+ hours/week

Saved weekly

12+

Years experience

Wave fields

One-way

Sync direction

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Why Connect Saasu to Wave?

Reporting across Saasu and Wave requires painful manual exports and spreadsheet merges

Client engagement details in Saasu and time-tracking data in Wave do not align, making billing inaccurate

Wave adds complexity: third-party integrations are minimal, with most connections requiring Zapier rather than native integrations

Manually copying data between Saasu and Wave wastes hours every week that could be spent on revenue-generating work

Saasu limitations compound the integration challenge: significantly smaller user base and integration ecosystem than Xero and MYOB, limiting the range of third-party apps that connect natively

No single source of truth when contacts live in two disconnected tools, so staff second-guess which system has the correct information

Online orders in Saasu and in-store inventory in Wave are never in sync, frustrating customers

Invoice and payment data is re-entered between Saasu and Wave manually, doubling the work and risking GST errors at month-end

How We Help

For Professional Services and Retail & E-commerce businesses across Australia, the disconnect between Saasu and Wave is a daily frustration. Our custom integration bridges your accounting & finance and accounting & finance systems, ensuring contacts and invoices flow seamlessly without manual intervention. On the technical side, Saasu uses a REST API with OAuth authentication, and Wave authenticates via OAuth, which our team handles as part of the build.

Custom-Built for Your Workflow

Unlike generic connectors, we build integrations tailored to how your business actually uses Saasu and Wave. Custom field mappings, business rules, and error handling included.

Unlock Wave Value

Wave stands out because completely free accounting and invoicing with no feature limitations, hidden fees, or artificial caps on transactions or customers. Integrating it with Saasu means your team gets this benefit with complete, accurate data flowing in automatically.

Real-Time Visibility Across Teams

When a record updates in Saasu, every team member working in Wave sees the change instantly. No lag, no stale dashboards, no conflicting reports.

Maximise Billable Hours

When time-tracking and client data sync between Saasu and Wave automatically, your consultants spend more time on client work and less on admin.

Saasu to Wave Use Cases

Scheduled reconciliation between Saasu and Wave

A daily or weekly reconciliation job compares records across both platforms, flags discrepancies, and generates a mismatch report. Catches sync gaps before they become accounting headaches.

Automated error handling and retry for Saasu/Wave sync

When a sync between Saasu and Wave fails due to a rate limit, network issue, or validation error, the integration retries automatically with exponential backoff. Your team is alerted only when intervention is genuinely needed.

Auto-generate Saasu invoices from Wave

When records are completed in Wave, an invoice is automatically created in Saasu with the correct contact, line items, GST rates, and payment terms. Eliminates the delay between finishing work and sending the invoice.

Sync Saasu contacts to Wave customers

When a contact is created or updated in Saasu, the corresponding customer record in Wave is automatically created or updated. Contact details, company associations, and custom fields are all mapped.

Data Mapping

How data flows between Saasu and Wave

Saasu	→	Wave	Notes
Saasu Contacts -> Id	→	Wave Customers -> id	Unique identifier stored as cross-reference for record linking
Saasu Contacts -> EmailAddress	→	Wave Customers -> email	Primary matching key for identifying existing records across both platforms
Saasu Invoices -> Id	→	Wave Invoices -> id	Unique identifier stored as cross-reference for record linking
Saasu Invoices -> LineItems	→	Wave Invoices -> items	Transaction data validated against both platforms before write
Saasu Owner/Assignee	→	Wave Owner/Assignee	Record ownership mapped between platforms using email address as the matching key
Saasu Timestamps	→	Wave Audit Log	Created and modified timestamps preserved for sync conflict resolution and compliance
Saasu Record IDs	→	Wave External References	Cross-reference identifiers stored on both records for bidirectional lookups and deduplication
Saasu Contacts	→	Wave Custom Fields	Contacts data from Saasu stored in Wave custom fields for reference
Saasu Payments	→	Wave Payments	Payments records synchronised when created or updated in either platform
Saasu Inventory	→	Wave Custom Fields	Inventory data from Saasu stored in Wave custom fields for reference

Saasu + Wave Integration FAQ

Yes. we poll Saasu's REST API at configurable intervals for near-real-time detection. Changes in Saasu are reflected in Wave within seconds. For high-volume scenarios, we implement queuing to handle peak loads without data loss.

Absolutely. Custom field mapping is a core part of every integration we build. Whether it is custom properties in Saasu or user-defined fields in Wave, we map them precisely to your requirements. We can also transform data formats, apply business rules, and handle conditional mappings.

Our integrations include comprehensive error handling: automatic retries for transient failures (respecting API rate limits), error queuing for system outages, data validation before writes, and real-time alerts for issues that need human attention. We also provide a dashboard where you can monitor sync health and review error logs.

By default, we configure Saasu to Wave as a one-way sync, but bi-directional sync is possible if your workflow requires it. We will assess the best approach during the discovery session.

Most Saasu to Wave integrations are completed within 2 weeks. We start with a discovery session to understand your specific workflow, then build and test the integration. Complex setups with custom business logic may take up to 4-8 weeks.

Yes. All data is transferred over encrypted connections (TLS/SSL). We follow least-privilege API access, using OAuth 2.0 authentication with scoped permissions, never store credentials in plain text, and log all sync activity for audit purposes. For Australian businesses with compliance requirements, we can implement additional safeguards.

Yes. We routinely build conditional logic, field transformations, data enrichment, and approval workflows into integrations. For example, only sync contacts that meet certain criteria, or transform data formats before writing to Wave. Your business rules drive the integration design.