Integrations

Connect Payaca to your accounting, email and design tools

Connect Payaca to Xero, QuickBooks, Zapier and your design tools, or build your own on the API.

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The Xero and Zapier cards on the Connections page in Payaca settings: Xero syncs invoices, purchase orders and customer records, and Zapier connects Payaca to thousands of apps

Frequently asked questions

What integrations does Payaca offer?
Payaca integrates with Xero, QuickBooks, Gmail, OpenSolar, Zapier (thousands of apps), and provides a full REST API for custom integrations.
Does Payaca have an API?
Yes. Payaca offers a full OpenAPI-documented REST API with an MCP server, allowing you to build custom integrations, automate workflows, and connect to any system your business uses.
Can I connect Payaca to Zapier?
Yes. The Zapier integration connects Payaca to thousands of apps. Automate lead capture from web forms, trigger notifications in Slack, sync data with your marketing tools, and build custom workflows.
How does the Gmail integration work?
Send and track emails directly from customer records in Payaca. Full conversation history is stored against each customer, so your team always has context when communicating.

Built for

Solar installersHeat pump installersBattery storage installersEV charger installers

Dedicated onboarding available

Ready to run your whole install business in one system?

Growing installers run their whole job on Payaca, from quote to final payment. We'll handle your workflow mapping and data migration.

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  • Dedicated onboarding
  • Data migration support
  • AI + human support