Is there a defined format for API keys? | The WeatherAPI Community Customer Community

Is there a defined format of the API key? E.g. the length of the key? I'm writing a library that accesses the API and wish to be able to validate the developer provided key is a real one before trying to access the API.

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lloydjatkinson

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Posted 4 years ago

3 years ago

afelicioni

227 Posts
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The key is a 16 digits hexadecimal string in lowercase; don't know if a part contains some sort of checksum, neither no method to check for key validity is available, so may be needed to hit a known query and test for wanted response (but consuming an api call).

A simple regular expression could just validate it, like the following

[0-9a-z]{16}

(Edited)

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