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Postal, ZIP, and Neighborhood Boundaries as GeoJSON — One API Call

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Direct plans include your own API key, a 99.9% uptime SLA, invoice/PO billing, and US, UK, and Canada coverage on one key.

For over six years, our API has run in production for multi-billion-dollar industry leaders and 250+ teams. Free tier for 30 days.

Sign up and subscribe in minutes on RapidAPI, or contact us for a direct plan.

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Features

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  • Global

    Global

    Access accurate boundary and address data for the USA, UK, and Canada — with more regions coming soon.

  • Fast & Reliable API

    Fast & Reliable API

    Built for speed and stability, our API delivers real-time results you can depend on, every time.

  • Easy Integration

    Easy Integration

    Seamlessly connect with your app in minutes using clear documentation and multi-language support.

  • GeoJSON & TopoJSON Formats

    GeoJSON & TopoJSON Formats

    Get clean, developer-ready data in both GeoJSON and TopoJSON formats for mapping and analysis.

Over 200,000 requests per day?

No problem, schedule a call with us for additional pricing information, code samples, and simple signup!

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  • "On Groundworks.com and our other brands, we use Boundaries.io to show a visual representation of our service areas. By using Boundaries.io, we're able to condense that into a much smaller GeoJSON object that loads fast and still looks good."

    Steve ‘Berto’ Bertolacci, Director of Data Enablement

  • "My experience so far with Boundaries API team has been pleasant. Boundaries io serves the client needs — we use it to display zip codes in an area for a particular dealer."

    Abhishek Gairola, Project Manager, RAPP

  • "Boundaries.io has been a reliable part of our stack for years."

    Jay Forbes, Director of Engineering, O3world

  • "Thanks for providing such a useful API. I have built several great features for my clients using it! We are using Boundaries.io to map the boundary on Google Maps for our clients for marketing purposes. In that way, we are able to know the coverage area for a specific client."

    Muhammad Abubakar, Engineer