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18F vs Nasdaq Data Link

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

18F

Unofficial US Federal Government API Development

18F

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

Nasdaq Data Link

  • Simple API key authentication
  • HTTPS supported
Feature18FNasdaq Data Link
AuthenticationNoneapiKey
HTTPSNoYes
CORSUnknownUnknown

When to use which?

18F is the better choice for quick prototypes and hackathons since it requires no authentication. Nasdaq Data Link supports HTTPS, which is required for production deployments and secure data handling.