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Housing Market APIAuthentication & Security

Can I call the API directly from JavaScript?

No. Your API key should always remain on your backend server; direct browser access exposes your credentials.

No.

Your API key should always remain on your backend server.

Direct browser access is not recommended because it exposes your credentials.

Last updated August 19, 2026

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How do I authenticate?Every request requires an API key supplied in the x-api-key HTTP header. Keep the key private and server-side only.
How do I obtain an API key?API access is issued individually to approved partners. Contact Housing Market Group to request credentials, partner approval, and IP registration.

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