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District of Columbia Transportation Online System
DC.gov

Web API

In support of the District's Open Government initiatives related to data transparency and accountability, DDOT makes its permit data captured in Transportation Online Permitting System (TOPS), available to public via Web API Services. Web API Service is a way to exchange data and information seamlessly between software systems.

Available APIs

TOPS offers the following permit data as Web APIs.

To use the our Web API, you must register by visiting Tops Website and get a License key which you can add to your application or website.

Documentation

Explore the Web APIs that we offer and their detail documentation

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Test TOPS Web APIs

You can Test WEB APIS here to see if it fits your needs. You do not require special access to test our APIs.

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