Dutch Postal Code API

Dutch Postal Code API

The Dutch Postal Code API provides accurate validation and detailed lookup services for Dutch zip codes, improving address validation processes.

API description

About the API:  

The Dutch Postal Code API designed to provide users with accurate validation and detailed lookup information for Dutch postal codes. Focused on accuracy and reliability, this API provides developers with the means to improve address validation processes and streamline postal code lookup functions for applications targeting the Netherlands.

Users can rely on the Dutch Postal Code API to ensure the accuracy of Dutch postal codes entered into their applications. Leveraging official datasets, the API performs extensive validation checks to confirm that postal codes conform to the official format and are valid according to established standards. By reducing zip code entry errors, users can improve data quality and user experience in their applications.

In addition to validation, the Dutch Postal Code API provides extensive Dutch zip code query functions. Developers can retrieve detailed information associated with specific postal codes, including city, municipality, province and other relevant details. This enables accurate validation and enrichment of addresses within applications, ensuring that users have access to accurate address information.

In conclusion, the Dutch Postal Code API is a valuable tool for users who want to improve address validation processes and streamline zip code lookup functions for applications targeting the Netherlands. Thanks to its accurate validation, comprehensive search functions, real-time data access and ease of integration. The API enables users to ensure accurate and reliable postal code data in their applications.

 

 What this API receives and what your API provides (input/output)?

It will receive a parameter and provide you with a JSON.

 

What are the most common uses cases of this API?

  1. Address Verification: Validate Dutch postal codes entered by users during address entry forms to ensure accuracy.

    E-commerce checkout: Verify zip codes to ensure accurate shipping information for Dutch customers during the checkout process.

    Logistics and delivery: Use zip code lookup to determine accurate delivery locations and optimize delivery routes.

    CRM systems: Validate addresses in customer records to maintain accurate contact information for Dutch customers.

    Marketing campaigns: Segment target audiences based on postal code regions for localized marketing campaigns.

     

Are there any limitations to your plans?

  • Basic Plan: 10 requests per second.

  • Pro Plan: 10 requests per second.

  • Pro Plus Plan: 50 requests per second.

  • Premium Plan: 100 requests per second.

API Documentation

Endpoints


To use this endpoint you must indicate a postcode and a house number in the parameters.



                                                                            
GET https://zylalabs.com/api/3646/dutch+postal+code+api/4106/address+by+post+code+and+house+number
                                                                            
                                                                        

Address by post code and house number - Endpoint Features
Object Description
postal_code [Required] Indicates a postal code
house_number [Required] Indicates a house number
Test Endpoint

API EXAMPLE RESPONSE

       
                                                                                                        
                                                                                                                                                                                                                            {"province":"Noord-Holland","municipality":"Amsterdam","city":"Amsterdam","postal_code":"1011AJ","street":"Prins Hendrikkade","street_number":"104","street_number_addition":"C","latitude":52.3755598,"longitude":4.9028406}
                                                                                                                                                                                                                    
                                                                                                    

Address by post code and house number - CODE SNIPPETS


curl --location --request GET 'https://zylalabs.com/api/3646/dutch+postal+code+api/4106/address+by+post+code+and+house+number?postal_code=1011AJ&house_number=104' --header 'Authorization: Bearer YOUR_API_KEY' 

    

To use this endpoint you must indicate a postal code in the parameter.



                                                                            
GET https://zylalabs.com/api/3646/dutch+postal+code+api/4107/house+numbers+by+postal+code
                                                                            
                                                                        

Test Endpoint

API EXAMPLE RESPONSE

       
                                                                                                        
                                                                                                                                                                                                                            {"house_numbers":[{"street":"Prins Hendrikkade","street_number":"106","street_number_addition":"A"},{"street":"Prins Hendrikkade","street_number":"107","street_number_addition":"3"},{"street":"Prins Hendrikkade","street_number":"106","street_number_addition":"B"},{"street":"Prins Hendrikkade","street_number":"107","street_number_addition":"2"},{"street":"Prins Hendrikkade","street_number":"104","street_number_addition":"C"},{"street":"Prins Hendrikkade","street_number":"105","street_number_addition":"1"},{"street":"Prins Hendrikkade","street_number":"105","street_number_addition":"H"},{"street":"Prins Hendrikkade","street_number":"104","street_number_addition":"B"},{"street":"Prins Hendrikkade","street_number":"106","street_number_addition":"C"},{"street":"Prins Hendrikkade","street_number":"107","street_number_addition":"H"},{"street":"Prins Hendrikkade","street_number":"106","street_number_addition":"D"},{"street":"Prins Hendrikkade","street_number":"107","street_number_addition":"1"},{"street":"Prins Hendrikkade","street_number":"104","street_number_addition":"D"},{"street":"Prins Hendrikkade","street_number":"104","street_number_addition":"A"},{"street":"Prins Hendrikkade","street_number":"105","street_number_addition":"2"}]}
                                                                                                                                                                                                                    
                                                                                                    

House numbers by postal code - CODE SNIPPETS


curl --location --request GET 'https://zylalabs.com/api/3646/dutch+postal+code+api/4107/house+numbers+by+postal+code&postalcode=Required' --header 'Authorization: Bearer YOUR_API_KEY' 

    

To use this endpoint you must indicate a post code in the parameter.



                                                                            
GET https://zylalabs.com/api/3646/dutch+postal+code+api/4108/post+code+validation
                                                                            
                                                                        

Test Endpoint

API EXAMPLE RESPONSE

       
                                                                                                        
                                                                                                                                                                                                                            {"valid":true}
                                                                                                                                                                                                                    
                                                                                                    

Post code validation - CODE SNIPPETS


curl --location --request GET 'https://zylalabs.com/api/3646/dutch+postal+code+api/4108/post+code+validation&postcode=Required' --header 'Authorization: Bearer YOUR_API_KEY' 

    

API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Dutch Postal Code API REST API, simply include your bearer token in the Authorization header.

Headers

Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.


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Users must enter a postal code or house number to obtain geodata.

The Dutch Postal Code API designed to provide users with access to accurate and up-to-date zip code data for the Netherlands.

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100%
 Response Time
243ms

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