Is there a unique Wix site id?

If I need to identify a unique Wix Site ID - where do I find that? A link to the API docs that shows how to get this would be awesome. Thanks!

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why do you need a unique wix site id?

The best I can think of is the site URL - which is unique by definition.

Hi Yoav,
I would like to validate a request from a Wix site from a 3rd party service. How would I do that? Would I give the Wix customer an API key? I was thinking of checking her unique Wix site id or unique Wix customer id (is there one) and also using an API key, but you said there is not a unique Wix site id to identify the site. I saw a post that you don’t have an Oauth mechanism so in lieu of Oauth, how would I validate a request from a Wix backend call to a 3rd party service? I don’t like using a domain since it is not constant.

Hay Adam,

In calls from backend to backend, the industry standard is to use a shared private key and to sign the request. There are many resources how to do so - like this one ,