Official documentation in https://captcha.crafy.net/docs/

Example

import React, { useRef } from 'react';
import CrafyCaptcha from '@crafyholding/crafy-captcha-react';

function MiFormulario() {
  const captchaRef = useRef(null);

  const handleSubmit = async (e) => {
    e.preventDefault();
    try {
      // Intenta loguear...
    } catch (error) {
      // Si la contraseña era incorrecta, resetea el puzzle usando la ref
      captchaRef.current.reset();
    }
  };

  return (
    <form onSubmit={handleSubmit}>
      {/* ... inputs ... */}
      <CrafyCaptcha 
        ref={captchaRef}
        publicKey="pk_test_..."
        onSuccess={(token) => console.log('Resuelto!', token)}
        onExpire={() => alert('El tiempo expiró, resuelve de nuevo.')}
        onError={(err) => console.error('Fallo técnico', err)}
      />
      <button type="submit">Enviar</button>
    </form>
  );
}