Connect everything, automate anything
Sync with accounting, email, design tools, and thousands of apps via Zapier. Plus full API access for custom builds.
Connected apps
5 active“Payaca came out the box with a really strong base level package.”
No software exists in isolation. Payaca connects to the tools your clean tech business already uses, from accounting software like Xero and QuickBooks, to design tools like OpenSolar, to thousands of apps via Zapier.
For businesses with custom needs, our full REST API and MCP server let you build exactly the integrations you need.
What's included
Everything you need to connect everything, automate anything.
Xero & QuickBooks
Two-way sync keeps invoices, payments, and contacts perfectly aligned. No double entry, ever.
Gmail Integration
Send and track emails directly from customer records. Full conversation history in one place.
Zapier
Connect to thousands of apps. Automate lead capture, notifications, CRM updates, and custom workflows.
Open API
Full REST API access for custom integrations. Build exactly what your business needs.
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.
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.