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18F vs Sofiaplan

If you need a Open Data API that's easy to integrate, go with Sofiaplan.

18F

Unofficial US Federal Government API Development

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Sofiaplan

Access to urban research data for the Bulgarian capital Sofia

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18F

  • No authentication required
  • No HTTPS support
  • Currently flagged as inactive

Sofiaplan

  • No authentication required
  • HTTPS supported
  • CORS enabled for frontend use
Feature18FSofiaplan
AuthenticationNoneNone
HTTPSNoYes
CORSUnknownYes

When to use which?

Sofiaplan works directly from the browser with CORS enabled, making it better for frontend-only apps. Sofiaplan supports HTTPS, which is required for production deployments and secure data handling.

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