code: public OvhVoucherStatus voucher_checkValidity_POST(String voucher) throws IOException {
  		String qPath = "/me/voucher/checkValidity";
  		StringBuilder sb = path(qPath);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "voucher", voucher);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhVoucherStatus.class);
  	}
docs: Verify existing voucher
  
  REST: POST /me/voucher/checkValidity
  @param voucher [required] Voucher value