InvoiceSpec account
A free account gives you dashboard access and credits.
Create a key and generate your first compliant e-invoice. The guide keeps each step focused and gives you a complete request you can copy and run. New to the vocabulary? Terms like XRechnung, ZUGFeRD, and EN 16931 are defined in the glossary.
Step 1 of 4
You only need an account, an API key, and an HTTP client. No SDK or e-invoicing expertise is required.
A free account gives you dashboard access and credits.
Create a secret key in the dashboard, then reveal it when you need to copy it.
Use curl below, or translate the same request to your preferred language.