# Other

- [FAQ](/other/faq.md)
- [API keys](/other/faq/api-keys.md)
- [An account with entered API keys settings was not found](/other/faq/api-keys/an-account-with-entered-api-keys-settings-was-not-found.md)
- [Cannot paste the public or secret key](/other/faq/api-keys/cannot-paste-the-public-or-secret-key.md)
- [Invalid API key, IP, or permissions for action (-2015)](/other/faq/api-keys/invalid-api-key-ip-or-permissions-for-action-2015.md)
- [Tiger.com wants to access key in your keychain](/other/faq/api-keys/tiger.com-wants-to-access-key-in-your-keychain.md)
- [Connection to exchange](/other/faq/connection-to-exchange.md)
- [Could not connect to the server](/other/faq/connection-to-exchange/could-not-connect-to-the-server.md)
- [SSL error has occurred and a secure connection cannot be made to the server](/other/faq/connection-to-exchange/ssl-error-has-occurred-and-a-secure-connection-cannot-be-made-to-the-server.md)
- [Sign in / Sign up](/other/faq/sign-in-sign-up.md)
- [Error "Not found" in sign up](/other/faq/sign-in-sign-up/error-not-found-in-sign-up.md)
- [Trading](/other/faq/trading.md)
- [How to choose a trading pair](/other/faq/trading/how-to-choose-a-trading-pair.md)
- [Is HEDGE MODE available in the app?](/other/faq/trading/is-hedge-mode-available-in-the-app.md)
- [Is COIN-M futures trading available?](/other/faq/trading/is-coin-m-futures-trading-available.md)
- [Is MARGIN TRADING available?](/other/faq/trading/is-margin-trading-available.md)
- [Do not see SPOT or FUTURES tickers](/other/faq/trading/do-not-see-spot-or-futures-tickers.md)
- [How P\&L and ROE% are calculated?](/other/faq/trading/how-p-and-l-and-roe-are-calculated.md)
- [How to provide logs and other files for investigation by support team?](/other/faq/how-to-provide-logs-and-other-files-for-investigation-by-support-team.md)
- [Communities](/other/communities.md)
- [Contact us](/other/contact-us.md)