kind field selects the reCAPTCHA product and the network route.
Choose the product
Use the kind that matches the script on your page:- The page loads
https://www.google.com/recaptcha/api.js→ use arecap_v3kind. - The page loads
https://www.google.com/recaptcha/enterprise.js→ use arecap_v3_enterprisekind.
Send a job through a proxy
With a_proxy kind, every request of the job goes through the proxy that you send in proxy. Use this when the token must come from a specific network.
proxy value is IP:PORT:USER:PASS, or IP:PORT for a proxy without credentials. The API never returns the proxy or its credentials.
The kind and the proxy must agree:
The action
action is the reCAPTCHA action that your page sends, such as login or checkout. Use 1 to 100 letters, digits, _ or /. When you omit it, the API uses submit.
Send the same action that your server expects. The site’s verification checks the action.