# Input Validation **`APP_KEY`** Accepted formats are: - Letters, Numbers, Symbols, Exactly 32 characters (eg. `!oqVA9o2@br#$6vAyk8LLrDm54X5EtjD`) - It accepts `a-z`, `A-Z`, `0-9` and `!@#$%^&*?` You can try live [here](https://regex101.com/r/OR879w/1) Regex used to match this: `[a-zA-Z0-9!@#$%^&*?]{32}` --- _If you find a field that you think it needs validation, please open an issue on github_