Is it possible to use the recaptcha API without any server side code? I keep getting CORS error. Then I found this one saying that Recaptcha does not allow requests directly from browsers.
I also tried to create a php proxy on my server (although I defeated the purpose of this question), but I still get the error that the request field is invalid even if I send the correct value.
I know that client envelopes are inherently unsafe, but this is a low-impact application, and I need to put something there.
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