# How to get OpenAI API key to start writing with ArlyeAI To write high quality content using **Arlye.AI**, you have to register and obtain an API key from the world's most capable natural language processing network, GPT-3. {% hint style="success" %} You will get **18$ free credits** by OpenAI for 3 month. After 3 month your should add your credit card information and allow OpenAI to charge you. {% endhint %} It is about **0.25$ / 10000** words for the most powerful language model or **0.025$ / 10000** words for Curie language model. Read more about [OpenAI pricing here.](https://openai.com/api/pricing/) Watch this live demo {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.arlye.ai/guides/how-to-get-openai-api-key-to-start-writing-with-arlyeai.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.