ZEVRA › Kennzeichen-Check for registration services · Last updated:
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Custom plate API for vehicle registration services: one call instead of 356 portals

With Zevra Kennzeichen-Check your registration service checks custom plates (Wunschkennzeichen) with 356 registration offices through one single custom plate API. Your system asks, Zevra answers with free or taken.

Only a real answer from the authority is billed.

Which problem does the API solve for a registration service?

Every portal looks different

Today your team checks custom plates portal by portal. The API returns the same answer for all offices.

Many cases per day

With the batch search you check up to 50 combinations in one call.

Costs should be predictable

You set a monthly limit. Once it is reached, checking pauses until you raise it.

How does your system work with the API?

Copy the key in the customer area

The test key with 100 free checks appears after you confirm your email.

Develop in the sandbox

The sandbox key returns fixed results, reaches no authority and costs nothing.

Check live

One call per combination or one batch search. Only a real answer from the authority is charged.

What does the API cost for a registration service?

Checks per monthReservations per monthInvoice netper reserved combination
7525103,75 €4,15 €
2.000400950 €2,38 €
3.000300800 €2,67 €

Prices net plus VAT, without the authority's fees. Reservation through the API is in preparation; the examples show the planned price.

What does your volume cost?

What does the API deliver besides the check?

The API names the responsible registration office for every district code and shows usage and cost of the current period. For reservations a signed webhook and an idempotency key are planned. The description is available as an OpenAPI file.

To the API guide →

Questions from registration services

How many registration offices does the API cover?
The API checks 356 of 404 registration offices live, in all 16 federal states. For 41 offices it names the link to the authority's portal.
Can I check several combinations at once?
Yes. The batch search accepts up to 50 combinations in one call. Every real answer costs 0,05 €.
What does a reservation cost?
The plan is 2 € per successful reservation. The authority's fees of 10,20 € and 2,60 € are added. Reservation is in preparation.
Is there a test environment?
Yes. The sandbox key returns fixed results for checks and reservations. It reaches no authority and is not charged.

Try the API with 100 checks