code: public OvhPaymentMeanValidation paymentMean_creditCard_POST(String description, String returnUrl, Boolean setDefault) throws IOException {
  		String qPath = "/me/paymentMean/creditCard";
  		StringBuilder sb = path(qPath);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "description", description);
  		addBody(o, "returnUrl", returnUrl);
  		addBody(o, "setDefault", setDefault);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhPaymentMeanValidation.class);
  	}
docs: Add a new credit card
  
  REST: POST /me/paymentMean/creditCard
  @param returnUrl [required] Callback URL where the customer will be redirected to after validation
  @param setDefault [required] Set as default payment mean once validated
  @param description [required] Custom description of this account