API catalog

Every endpoint is paid per call over x402 (USDC on Base) and answers a free sample at ?sample=1. All responses use the same { data, meta } envelope.

Machine-readable: interactive reference · OpenAPI · llms.txt · A2A agent card

Dutch vehicle lookup$0.02

/api/v1/nl/vehicle/{kenteken}

Registration, fuel/EV, APK (roadworthiness) and open recalls (terugroepacties) for a Dutch licence plate (kenteken).

Dutch school holidays$0.008

/api/v1/nl/school-holidays

Current, merged Dutch school-holiday dates, queryable by school year, region or a specific date.

Vacation region resolver$0.01

/api/v1/nl/vacation-region

Resolve a Dutch place to its vacation region (noord/midden/zuid) and attach that region's current holiday dates.

FX conversion (ECB)$0.003

/api/v1/global/fx

Currency conversion using ECB euro reference rates. Informational only — not tradeable quotes.