Space Invoices Docs

Build compliant invoicing into your product with our API-first platform.

Start Here

Quickstart Create your first invoice in 5 minutes.

Core Concepts Entities, documents, and the data model.

API Reference Full endpoint documentation with examples.

Multi-Tenancy Build platforms with isolated customer data.

SaaS Platforms Add invoicing to your software product.

E-Commerce Generate invoices from orders automatically.

Marketplaces Enable sellers to invoice buyers compliantly.

Fintechs Integrate invoicing into financial products.

Invoices Line items, taxes, discounts, and drafts.

Customers & Items Save and reuse data across documents.

Rendering Generate PDFs and HTML previews.

Email Send invoices directly to customers.

Automatic Tax Handling

Tax rates, formats, and rounding based on entity country.

European Union

VIES validation, reverse charge, export handling.

North America

Multi-tax support for US and Canada.

Slovenia (FURS)

Real-time fiscalization for Slovenian businesses.