Changelog

October 2026

Trial: 30 days, up to 20 invoices in total, one seller entity; trial invoices carry a test note (BT-22). After the trial the account is read-only (402 plan.trial-ended); the sandbox keeps working. An e-mail reminds you three days before the end and once it has ended.
Webhook management: choose events per endpoint, change URL and events, rotate the secret, send a test event, resend deliveries of the last 30 days; also in the portal.
Sandbox: test keys (fkn_test_…) with separate, expiring test data, simulated deliveries and their own limits; API key responses have mode; webhook event data has livemode.
SDKs for TypeScript, PHP, Java and C#, generated from the published API description, with webhook and idempotency helpers; Bruno collection and examples (being published).
API documentation at /docs with this changelog and the versioning policy.
ANAF e-Factura delivery for Romanian sellers (channel anaf), RO e-Factura in CII.
E-mail delivery from " via Fakturnaut" with bounce handling.
Seller verification with VIES checks, attestation and document review; e-mail and real Peppol need it.
API key scopes invoices and admin.

v1 launched: issuing (XRechnung UBL/CII, ZUGFeRD), validation, inbound checks, Peppol delivery, webhooks, usage.