Dutch Postal Code Tracker API

The Dutch Postal Code Tracker API delivers precise validation and comprehensive lookup services for Dutch zip codes, enhancing the accuracy of address verification processes.

About the API:  

The Dutch Postal Code Tracker API is designed to provide accurate validation and detailed lookup information for Dutch zip codes. With an emphasis on accuracy and reliability, this API enables developers to improve address validation processes and optimize postal code lookup functions for applications in the Netherlands.

By using the Dutch Postal Code Tracker API, users can ensure the accuracy of Dutch zip codes in their applications. The API leverages official datasets to perform comprehensive validation checks, confirming that postal codes conform to official formats and standards. This reduces input errors and improves both data quality and user experience.

In addition to its validation capabilities, the API offers extensive query capabilities for Dutch postal codes. Developers can access detailed information related to specific postal codes, such as city, municipality and province, which facilitates accurate validation and enrichment of addresses within applications.

In summary, the Dutch Postal Code Tracker API is an essential tool for improving address validation and streamlining zip code lookup in applications targeting the Netherlands. With its accurate validation, comprehensive lookup capabilities, real-time data access and ease of integration, the API ensures accurate and reliable postal code data for users.

 

 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: 10 requests per second.

Premium Plan: 50 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/5013/dutch+postal+code+tracker+api/6338/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/5013/dutch+postal+code+tracker+api/6338/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/5013/dutch+postal+code+tracker+api/6339/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/5013/dutch+postal+code+tracker+api/6339/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/5013/dutch+postal+code+tracker+api/6340/post+code+validation
                                                                            
                                                                        

Test Endpoint

API EXAMPLE RESPONSE

       
                                                                                                        
                                                                                                                                                                                                                            {"valid":true}
                                                                                                                                                                                                                    
                                                                                                    

Post code validation - CODE SNIPPETS


curl --location --request GET 'https://zylalabs.com/api/5013/dutch+postal+code+tracker+api/6340/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 Tracker 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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Dutch Postal Code Tracker API FAQs

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.

There are different plans to suit all tastes, including a free trial for a small number of requests, but your rate is limited to avoid abuse of the service.

Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.

The API returns full address details, including street, number, postal code, province, municipality, city, and precise geographic coordinates.

This endpoint returns detailed address information, including the province, municipality, city, postal code, street name, street number, street number addition, and geographic coordinates (latitude and longitude).

Users must provide a postal code as a parameter to retrieve a list of associated house numbers, including street names and any additional identifiers for each house number.

The response is structured as a JSON object containing a single field, "valid," which indicates whether the provided postal code is valid (true) or invalid (false).

This endpoint provides a list of house numbers associated with a specific postal code, including street names, street numbers, and any additional identifiers for each house number.

Key fields include "province," "municipality," "city," "postal_code," "street," "street_number," "street_number_addition," "latitude," and "longitude," which provide comprehensive address details.

The API utilizes official datasets to ensure that postal codes conform to established formats and standards, reducing input errors and enhancing data quality.

Common use cases include validating user-entered postal codes during online forms, ensuring accurate shipping addresses in e-commerce, and maintaining accurate customer records in CRM systems.

Users can integrate the returned address details into their applications for address verification, enhance user experience by auto-filling address fields, and improve logistics by optimizing delivery routes based on accurate postal code data.

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