# PostNL Checkout Postalcode Check API

**Canonical:** https://apis.io/apis/postnl/postalcode-check-api/  
**Provider:** PostNL — https://apis.io/providers/postnl/  
**Base URL:** https://api.postnl.nl  
**Documentation:** https://developer.postnl.nl/integration-with-postnl/api-overview/checkout/postcodecheck/

PostNL Checkout Postalcode Check API is one of 12 APIs that [PostNL](https://apis.io/providers/postnl/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1 JSON Schema definition. Tagged areas include Checkout and Address Validation. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1 JSON Schema.

Check a Dutch postal code and house number and return the address (v1).

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| GET | `/shipment/checkout/v1/postalcodecheck` | Checkout postalcode check |

## Machine-readable artifacts (4)

- **OpenAPI** — https://artifacts.apis.io/postnl/openapi/postnl-postalcode-check-api-openapi.yml
- **OpenAPI** — https://api-sandbox.postnl.nl/shipment/checkout/v1/postalcodecheck/swagger.json
- **Documentation** — https://developer.postnl.nl/integration-with-postnl/api-overview/checkout/postcodecheck/
- **JSONSchema** — https://artifacts.apis.io/postnl/json-schema/postnl-postalcode-check-response-schema.json

## Other PostNL APIs (11)

- [PostNL Shipment API v4](https://apis.io/apis/postnl/shipment-api/)
- [PostNL Barcode API](https://apis.io/apis/postnl/barcode-api/)
- [PostNL Confirming API](https://apis.io/apis/postnl/confirming-api/)
- [PostNL Labelling API](https://apis.io/apis/postnl/labelling-api/)
- [PostNL Shipping Status API](https://apis.io/apis/postnl/shippingstatus-api/)
- [PostNL Checkout API](https://apis.io/apis/postnl/checkout-api/)
- [PostNL Deliverydate API](https://apis.io/apis/postnl/deliverydate-api/)
- [PostNL Locations API](https://apis.io/apis/postnl/locations-api/)
- [PostNL Timeframes API](https://apis.io/apis/postnl/timeframes-api/)
- [PostNL Consigments API](https://apis.io/apis/postnl/postnl-consigments-api/)
- [PostNL Address API](https://apis.io/apis/postnl/postnl-address-api/)

## Tags

Checkout, Address Validation

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/postnl/postalcode-check-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/postnl/.