Changelog

Additive changes land in /v1; breaking changes get a new major version with a migration note here.

2026-09-07v1.0 — first public release

• GET /v1/me, GET /v1/document-types, GET /v1/errors
• POST /v1/documents (quote, order, delivery_note, return_note, proforma, tax_invoice, tax_invoice_receipt, receipt, credit_note, donation_receipt) with idempotency, allocation numbers and auto-send
• GET /v1/documents, GET /v1/documents/{id}, POST /v1/documents/{id}/cancel
• GET /v1/customers

Not in v1 (planned)

• Outbound webhooks (paid / signed / cancelled)
• Sandbox keys
• Consolidated invoices, foreign currency, negative lines
• Businesses issuing through external accounting providers