Send text from Bubble to Xano, then include that text into an External API call url path

Hi,

I need to send this catalog id from my front end (Bubble) to Xano, and then call https://developers.facebook.com/docs/marketing-api/reference/product-catalog/products?locale=en_US including the catalog id (that I received from the front end) into the API url.

How can I do that?

I've put the catalog_id as input:

How can I send that from Bubble to Xano now?

Should I add the catalog_id as a header or parameter or what?

By the way, I've been getting this error when trying to call this Xano endpoint:

I copied and pasted the endpoint URL, so it is correct. Is this because I have not fixed the catalog_id problem yet or what?

Thanks!