How to Create an OpenAI API Key: A Step-by-Step Guide

OpenAI is one of the leading artificial intelligence research labs in the world, and its API provides developers with access to some of the most powerful AI tools available. In this article, we will show you how to create an OpenAI API key so you can start building applications that utilize OpenAI’s cutting-edge technology.

What is an OpenAI API Key?

OpenAI’s API is a powerful tool that allows developers and researchers to integrate cutting-edge AI technologies into their applications and projects. With an OpenAI API key, you can access a range of AI models and services, including natural language processing (NLP), machine learning (ML), and more.

To obtain an OpenAI API key, you will need to sign up for an OpenAI account on their website and follow the instructions provided. The registration process typically involves providing some basic information about yourself and your intended use case for the API.

Once you have an OpenAI API key, you can use it to authenticate your requests to the API and start making use of the available models and services. This may involve making requests to the API using programming languages like Python or JavaScript or using pre-built integrations and tools that support OpenAI’s API.

It’s important to note that OpenAI’s API is a paid service, and you will need to have a valid payment method on file to use it. The cost of using the API will depend on the specific models and services you use, as well as the amount of usage you require. OpenAI provides detailed documentation and support to help you get started with their API and manage your usage over time.

How to Sign Up for an OpenAI Account

The first step in creating an OpenAI API key is to sign up for an OpenAI account. Here’s how you can do it:

  1. Go to the OpenAI website at
  2. Click on the “Sign Up” button in the top right-hand corner of the screen.
  3. Enter your email address and create a password.
  4. Click on the “Sign Up” button.

Once you’ve signed up, you’ll need to verify your email address. OpenAI will send you an email with a link to click on to verify your account.

How to Create an OpenAI API Key

Now that you’ve signed up for an OpenAI account, it’s time to create your API key. Here’s how to do it:

  1. Go to the OpenAI website at and click on the “Get Started for Free” button in the top right corner of the screen.
  2. You will be taken to the OpenAI beta sign-up page at Fill in the required details such as your email address, name, and password, or sign up with your Google or Microsoft account. You may also need to provide a valid mobile number to verify your account.
  3. After you’ve signed up, log in to your OpenAI account.
  4. Navigate to the “API Keys” page by clicking on the dropdown menu next to your name in the top right corner of the screen and selecting “API Keys.”
  5. On the “API Keys” page, click the “Create new secret key” button.
  6. Enter a name for your new key and click “Create.”
  7. Your new secret key will now be displayed on the page. Make sure to copy and securely save your key somewhere as it will not be displayed again.

Congratulations! You now have an OpenAI API key that you can use to access OpenAI’s powerful language processing capabilities.

Is There a Limit on OpenAI API Keys?

Yes, there are limits on OpenAI API keys. OpenAI offers both free and paid plans, and each plan comes with its own usage limits. The free plan allows you to make up to 5,000 API requests per month, while the paid plans offer higher limits.

What are the OpenAI API Price Plans?

OpenAI GPT-3 API has the following pricing plans:

Free Plan:

This plan offers limited access to the GPT-3 API and is suitable for developers who want to test the API or build small-scale projects. It provides up to 50,000 API calls and generates up to 12,000 tokens per month.

Developer Plan:

This plan costs $199 per month and provides up to 500,000 API calls and generates up to 125,000 tokens per month. It also offers access to more advanced models, such as the 175B model, and provides higher-quality outputs.

Business Plan:

This plan is designed for businesses and organizations that require larger-scale access to the GPT-3 API. It costs $4,999 per month and provides up to 10 million API calls and generates up to 2.5 million tokens per month. It also offers dedicated support, custom onboarding, and access to all GPT-3 models.

It’s important to note that the pricing plans may change over time, so it’s always best to check the OpenAI website for the latest information. Additionally, other OpenAI APIs, such as the Codex API, have their own pricing plans and features.

How to Add a Credit Card for OpenAI API Plans

Adding a credit card for OpenAI API plans is an easy process that involves just a few steps. Here are the detailed steps:

  • Log in to your OpenAI account at If you don’t have an account yet, you can create one by clicking on the “Sign up” button and following the registration process.
  • Once you’re logged in, click on your name in the top right-hand corner of the screen. A drop down menu will appear.
  • Select “Billing” from the dropdown menu. This will take you to the Billing section of your account.
  • Click on the “Add payment method” button. This will bring up a form where you can enter your credit card information.
  • Enter your credit card information, including the card number, expiration date, and security code. Make sure that the billing address you enter matches the address on file with your credit card company.
  • Once you’ve entered all of the required information, click on the “Save” button. Your credit card information will be saved securely in your OpenAI account.

That’s it! You’ve successfully added a credit card for OpenAI API plans. Now you can upgrade to the Developer or Production plan by going to the “Billing” section of your account and choosing the plan you want to upgrade to. Your credit card will be charged automatically based on your usage.


Creating an OpenAI API key is a straightforward process that can give you access to some of the most advanced AI tools available. By following the steps outlined in this article, you can create your API key and start building applications that leverage the power of OpenAI.

Remember to keep your API key safe and be aware of the usage limits associated with your plan. By using OpenAI’s API responsibly, you can take advantage of its capabilities to build innovative and exciting applications that push the boundaries of what’s possible with ChatGPT.

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