API Reference

A REST API for everything VirtusCloud does.

Invoicing, billing, customers, and webhooks — all accessible through a single, consistent API.

Request API access

Core endpoints.

POST/v1/invoicesCreate and send a new invoice to a customer.
GET/v1/invoicesList invoices with filtering by status, customer, or date range.
POST/v1/subscriptionsCreate a recurring subscription on any billing cycle.
GET/v1/customers/:idRetrieve details and billing history for a customer.
POST/v1/webhooksRegister a webhook endpoint for invoice and billing events.
GET/v1/estimatesQuery estimates and quotes with pagination and filters.

Built for real integrations.

API key authentication

Authenticate every request with a scoped, revocable API key.

Webhooks

Get notified in real time when invoices, subscriptions, or onboarding statuses change.

Sandbox environment

Test integrations safely against a full sandbox before going live.

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