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Facilitate Decision Making

APIs for your business

Talk to a Product Specialist

Easily connect your product in infinite possibilities.

All Black Book customers get access to our Developer Portal, which provides developers an intuitive environment for easing the integration of Black Book data into your product.


  • “What If” API calls in real time
  • Test different input parameters on a wide range of service resource methods
  • Manage authentication settings
  • Track your API usage in real time
  • Change and test your output formats (JSON & XML)
  • View and filter query logs for testing and troubleshooting
  • View code samples and documentation online

Used Car Web API

Our Used Car API provides you with unlimited integration options. It can help you gain a competitive advantage in your segment.

Access to:

  • Wholesale values
  • Trade-in values
  • Retail values
  • Private Party values
  • Residual values
  • End of Term value
  • Finance advance value
  • Specification PDF
  • Vehicle Colors
  • Standard equipment
  • VIN Decoding

Retail Market Insights API

Black Book’s Retail Listings data is mapped to Black Book vehicle descriptions, providing accuracy down to the trim level. 4,700+ dealerships and 700,000+ listings.

Responses include:

  • Vehicle description & details, including year, make, model, series, body style
  • Number of price changes with price & mileage history
  • Number of days on the market
  • Days to turn, market days’ supply, minimum and maximum price and mileage, mean & median price and mileage
  • VDP URL & Image URL
  • Listing Price
  • CPO, Leather & Navigation Flags
  • Mileage
  • Exterior & Interior Colors
  • Optional & Standard Features
  • Seller Name & Notes
  • Pagination functionality

Custom Trade Value API

Our Custom Trade Value API provides a single Black Book value that’s been adjusted based on a user’s answers to your unique questions around vehicle condition.

  • Includes a standard questionnaire that can be adjusted to fit your use case
  • Increase conversion of visitors on your website
  • Provide a precise value to your customer based on current vehicle condition
  • Track breakage during the questionnaire with our analytics endpoint to improve throughout

Questions about APIs? We’d love to help answer.

Give us a call at 1-800-562-3150 or contact us below.

Talk to a Product Specialist

We guarantee actionable insights for your business.

Talk to a product specialist


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