Sage + Wave

Real-Time Sage to Wave Sync - Purpose-Built for Your Business

Connect Sage to Wave with a purpose-built integration. Real-time sync, error handling, and retry logic included - deployed within 2 weeks by our experienced team.

8+ hours/week

Saved weekly

Wave fields

50+

Clients served

One-way

Sync direction

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Why Connect Sage to Wave?

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

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

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

Contacts in Sage and customers in Wave drift out of sync, leading to outdated details on invoices, emails, and reports

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

New team members take longer to onboard because they must learn manual workarounds to keep Sage and Wave aligned

How We Help

Every week without this integration costs your Manufacturing and Professional Services business 8+ hours/week in manual data handling between Sage and Wave. Our Harvard-educated consultants build a sync that eliminates that waste permanently. On the technical side, Sage 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 Sage and Wave. Custom field mappings, business rules, and error handling included.

Built-In Error Handling and Alerts

Our integrations include automatic retries, error queuing, and real-time notifications. If something fails between Sage and Wave, your team knows immediately and the system self-recovers where possible.

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 Sage means your team gets this benefit with complete, accurate data flowing in automatically.

Amplify Sage Strengths

Sage excels because comprehensive accounting platform with general ledger, fixed asset management, and multi-entity consolidation that mid-market businesses eventually need. Connecting it to Wave ensures that advantage flows through your entire workflow rather than staying siloed in one tool.

Sage to Wave Use Cases

Sync Sage contacts to Wave customers

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

Auto-generate Sage invoices from Wave

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

Scheduled reconciliation between Sage 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 Sage/Wave sync

When a sync between Sage 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.

Data Mapping

How data flows between Sage and Wave

Sage	→	Wave	Notes
Sage Contacts -> Id	→	Wave Customers -> id	Unique identifier stored as cross-reference for record linking
Sage Contacts -> Name	→	Wave Customers -> name	Contact identity fields synchronised to maintain consistency
Sage Contacts -> Email	→	Wave Customers -> email	Primary matching key for identifying existing records across both platforms
Sage Contacts -> Currency	→	Wave Customers -> currency	Field data synchronised with type validation
Sage Invoices -> Id	→	Wave Invoices -> id	Unique identifier stored as cross-reference for record linking
Sage Invoices -> Status	→	Wave Invoices -> status	Status values mapped between each platform terminology
Sage Invoices -> Lines	→	Wave Invoices -> items	Transaction data validated against both platforms before write
Sage Timestamps	→	Wave Audit Log	Created and modified timestamps preserved for sync conflict resolution and compliance
Sage Record IDs	→	Wave External References	Cross-reference identifiers stored on both records for bidirectional lookups and deduplication
Sage Owner/Assignee	→	Wave Owner/Assignee	Record ownership mapped between platforms using email address as the matching key

Sage + Wave Integration FAQ

The most common data objects synced between Sage and Wave include contacts, invoices. We map each data type to its counterpart in the target system, including custom fields, metadata, and relationship data. The exact scope is tailored to your workflow during the discovery session.

Yes. We have built integrations for Manufacturing businesses that rely on both Sage and Wave. The integration is customised to your industry-specific workflows, data structures, and compliance requirements. Book Free Assessment to discuss your specific needs.

We use a combination of direct REST API connections and automation platforms like Make, Zapier, or n8n, depending on your requirements and budget. For complex workflows, we build custom middleware. The right approach depends on your volume, sync frequency, and business rules.

Integration pricing depends on complexity, including the number of data objects synced (contacts, invoices), sync direction, custom business rules, and volume. Most Sage to Wave integrations fall within our standard integration tier. Book a free assessment to get a specific quote for your requirements.

Typical accounting & finance data synced includes contacts, invoices, and related metadata. We map each field to its counterpart in Wave and handle any format differences automatically.

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.

Our integrations include retry logic and error queuing. If Wave is temporarily down, changes are queued and replayed once the system recovers. You will receive alerts for any sync failures that need attention. No data is lost during outages.