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Housing Market APIError Handling

Why am I receiving a 403 error?

Usually your API key is valid but your server IP has not yet been authorised. Contact Housing Market Group to register your server.

A 403 response usually means:

Your API key is valid
Your server IP has not yet been authorised

Please contact Housing Market Group to register your server.

Last updated August 19, 2026

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What HTTP status codes are returned?Common responses are 200 (success), 400 (invalid request), 401 (invalid or missing key), 403 (unauthorized IP), 404 (not found), and 500 (server error).

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