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Value Drivers™

Explain a home's value. Whether it's single-family, townhouse, duplex, or condominium, describe how the property's characteristics affect its market value.

Additionally, reveal the estimated value of each characteristic along with an indication of whether there is an opportunity to improve it.

Example web app

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Use our example web client to understand how to use our APIs and pre-built components

Quickly embed the Value Drivers display in web applications with Plunk’s pre-built web client component and example code.

All charts, labels, and layouts are handled for you.

Request the example web app files here >

Follow along with our YouTube video to get the example code up and running on your local machine.

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Common use case


Display on a listing page the characteristics contributing to the home's market value.

Get started

Ready to look at the API resource documentation or get a temporary API key?

Test the API with Postman

Obtain Value Drivers for a specific property using Postman to test the Value Drivers API in five minutes or less. To get started, simply fork the desired collection and follow the steps below.


Depending on what data you already have for a property, click on the appropriate “Run in Postman” button to fork a collection and test.

Get Plunk Value Drivers with Address String

Get Plunk Value Drivers with FIPS + APN values


Once forked into your Postman workspace, update the initial and current values for the “apikey” collection variable with your API key.


Now click “Run Collection.” Make sure to check “Persist response for a session” to ensure your response is saved for future reference.

Once your request has completed, you can view the response by simply clicking on the relevant request.

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