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A collection of open data APIs from the City of Philadelphia. These APIs are being made available to participants in civic hackathons and many other events to provide easy access to useful civic data. Build an app or solution to make your city better!

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Property Data API

Access information on assessed property values and other property information.

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License & Permit API

Access a rich trove of city data on permits, licenses, contractors, cases & violation details.

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Polling Places API

The most up-to-date locations of where to vote.

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Open 311 API

Access citizen reports of potholes, broken street signs, building violations, etc.

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Crime Data API

Get access to the latest crime incident data, updated daily, going back to January 2006.

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Geospatial APIs

Place matters! Build maps and location-based apps with this powerful collection of APIs.

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Airport Parking Availability API

See real-time availability of parking garage spaces for the Philadelphia International Airport.

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