Yes, you need to sign up for both Open AI and Eleven Labs to obtain the necessary API keys and add your credit card information. Our platform uses these keys to generate audio for your newsletters. Once you have your keys, you can enter them in our platform to start creating your newsletters.

You can monitor your credit usage directly on the Open AI and Eleven Labs dashboards. These services provide detailed usage statistics and remaining credits.

To use your own voice, first record a short voice sample and upload it to Eleven Labs to create a custom voice model. After obtaining your custom voice model, integrate it into our platform by entering your Eleven Labs key. You can then select your custom voice when creating newsletter episodes, adding a personal touch to your content.

There are no strict limits on the length of your script or the number of hosts you can include in your newsletter episodes. Our platform is designed to be flexible and accommodate various newsletter formats, whether you have a single host or multiple co-hosts.

Generating a newsletter typically takes less than a minute. Once you've uploaded your script and selected the voices, our AI processes the information quickly, allowing you to produce high-quality newsletter episodes in no time.

The easiest way to create a script is use ChatGPT for now. You can also import scripts from text files or adapt existing written content, such as blog posts or articles, to create engaging newsletter episodes effortlessly. You just need to make sure Hosts are setup in the correct format and you will be good to go.

Yes, your API keys are secure. They are stored in your browser's web storage, and we do not save the keys on our servers. This ensures that your keys remain private and secure while you use our platform.

After your purchase, LetterBites is yours forever, so it can't be refunded. Rest assured, we'll be supporting you if you have any issues using the product. Just email us at [email protected] for any assistance you need.

We support all languages that OpenAI and ElevenLabs support. For better language quality you can always go with ElevenLabs which is slightly better at the moment.OpenAI supports these 57 languages:Afrikaans, Arabic, Armenian, Azerbaijani, Belarusian, Bosnian, Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, Galician, German, Greek, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Kannada, Kazakh, Korean, Latvian, Lithuanian, Macedonian, Malay, Marathi, Maori, Nepali, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swahili, Swedish, Tagalog, Tamil, Thai, Turkish, Ukrainian, Urdu, Vietnamese, and Welsh.ElevenLabs Support these 29 languages:English, Hindi, Portuguese, Chinese, Spanish, French, German, Japanese, Arabic, Russian, Korean, Indonesian, Italian, Dutch, Turkish, Polish, Swedish, Filipino, Malay, Romanian, Ukrainian, Greek, Czech, Danish, Finnish, Bulgarian, Croatian, Slovak, Tamil

Yes it is legal as long as you follow the terms set by OpenAI and ElevenLabs.For OpenAI if you are using this for commercial purposes you should provide a clear disclosure to end users that the TTS voice they are hearing is AI-generated and not a human voice.For ElevenLabs Voices as long as you are on a paid plan with them, you will be able to use the voices for commercial use.