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Pricing
PostNL Address Validation API pricing
As developer.postnl.nl lists them, read 7 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Address check for Benelux addresses | Free for PostNL parcel-contract customers · Benelux addresses · parcel contract required | Free |
| International address validation | Starting price per check (per API call); bundle pricing varies · Price starts at € 0.02 per check · bundle depends on address volume | €0.02, paid once |
From postnl.nl.
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