What integrations does Payaca offer?

Payaca integrates with Xero, QuickBooks, Gmail, OpenSolar, EasyPV, Heatpunk, Spruce, Zapier (5,000+ 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 5,000+ 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.

Integrations

Connect everything, automate anything

Sync with accounting, email, design tools, and 5,000+ apps via Zapier. Plus full API access for custom builds.

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app.payaca.com

Connected Apps

5 active

Xero

Gmail

Zapier

OpenSolar

HeatPunk

Stripe

Add Integration

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 and Heatpunk, to 5,000+ 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 5,000+ 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.

“Payaca came out the box with a really strong base level package.”

Andy Sellick

CTO, OVO Solar & Heating

Built for

Solar Installers Heat Pump Installers Battery Storage Installers EV Charger Installers

Frequently asked questions

What integrations does Payaca offer?: Payaca integrates with Xero, QuickBooks, Gmail, OpenSolar, EasyPV, Heatpunk, Spruce, Zapier (5,000+ 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 5,000+ 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.

Dedicated onboarding available

Ready to streamline your clean tech operations?

Join 500+ installers who've transformed their business with Payaca. We'll handle your workflow mapping, process optimisation, and data migration.

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Dedicated onboarding

Data migration support

AI + human support