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# Technical FAQ

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| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [API - Error Code 400 or 401](/docs/help-center/technical/api-error-code-400-or-401)                                                                                      |
| [API - Error Code 422](/docs/help-center/technical/api-error-code-422)                                                                                                    |
| [API - Error Code 429](/docs/help-center/technical/api-error-code-429)                                                                                                    |
| [Can I reduce API latency?](/docs/help-center/technical/can-i-reduce-api-latency)                                                                                         |
| [Do pauses and SSML phoneme tags work with the API?](/docs/help-center/technical/do-pauses-and-ssml-phoneme-tags-work-with-the-api)                                       |
| [How can I keep the WebSocket open?](/docs/help-center/technical/how-can-i-keep-the-websocket-open)                                                                       |
| [How do I authorize myself using an API key?](/docs/help-center/technical/how-do-i-authorize-myself-using-an-api-key)                                                     |
| [How do I find the model ID?](/docs/help-center/technical/how-do-i-find-the-model-id)                                                                                     |
| [How do I find the voice ID of my voices via the website and API?](/docs/help-center/technical/how-do-i-find-the-voice-id-of-my-voices-via-the-website-and-api)           |
| [How do I get started with the API?](/docs/help-center/technical/how-do-i-get-started-with-the-api)                                                                       |
| [How can I see information about API requests for my account?](/docs/help-center/technical/how-can-i-see-information-about-api-requests-for-my-account)                   |
| [How many Text to Speech requests can I make and can I increase it?](/docs/help-center/technical/how-many-text-to-speech-requests-can-i-make-and-can-i-increase-it)       |
| [How much does it cost to use the API?](/docs/help-center/technical/how-much-does-it-cost-to-use-the-api)                                                                 |
| [Is it possible to get a time stamped transcript of the audio output?](/docs/help-center/technical/is-it-possible-to-get-a-time-stamped-transcript-of-the-audio-output)   |
| [What is the Text-to-Speech WebSockets API?](/docs/help-center/technical/what-is-the-text-to-speech-web-sockets-api)                                                      |
| [What models do you offer and what is the difference between them?](/docs/help-center/technical/what-models-do-you-offer-and-what-is-the-difference-between-them)         |
| [Where can I learn more about API?](/docs/help-center/technical/where-can-i-learn-more-about-api)                                                                         |
| [Why does my voice sound different in the API compared to the website?](/docs/help-center/technical/why-does-my-voice-sound-different-in-the-api-compared-to-the-website) |