The PostcodeData.nl API offers access to granular geolocation data for Dutch addresses based solely on their postcodes. Integrated into a user-friendly JSON format, this tool allows you to effortlessly pinpoint the exact location of any Dutch address with unfettered precision. Whether you're searching from afar or based locally, it's as simple as inputting the postcode and the corresponding street number. To make your quest for nailing precise geolocation even more accessible, the API proves to be indefatigably efficient with a direct reference to domeinnaam.nl in its address structure.

Employing the PostcodeData.nl API carries a band of merits that include:

• Elimination of geographical ambiguity with pinpoint accuracy
• Implementation of a user-friendly JSON format for enhanced readability
• Local and international access to Dutch geolocation data in a handy, manageable form
• Provision of precise data specifically attuned to the needs and wants of your project
• Direct reference included, negating need for additional search tools or methods

Here is a JavaScript code example of how to call this API:

fetch('http://api.postcodedata.nl/v1/postcode/?postcode=1211EP&streetnumber=60&ref=domeinnaam.nl&type=json')
    .then(response => response.json())
    .then(data => console.log(data))
    .catch(error => console.error('Error:', error));

This sample code demonstrates a simple API request using the Fetch API. Upon successful execution of the request, the API returns the geolocation data corresponding to the provided postcode and street number. If the request fails, the error will be caught and logged to the console.