What is ChatGPT Api & How to Use It?

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ChatGPT is an intelligent AI language model developed by Open AI. The model can perform various tasks and interact with humans in a natural language. Besides, it can also be integrated into other platforms using its API keys. The integration allows users to access ChatGPT features without switching between multiple apps.

Additionally, programmers can create several powerful applications using ChatGPT API from scratch. If you are looking for ways to access and use ChatGPT API, continue reading this guide. You’ll find all the answers regarding the ChatGPT API, including how to get and use the ChatGPT API keys.

Is there an API for ChatGPT?

Yes, ChatGPT has an API (Application Programming Interface). This API allows programmers to integrate this model’s functionalities into other applications. For example, the API can be used to create chatbots, virtual assistants, and similar applications that can interact with humans in a conversational tone.

Is the ChatGPT API free?

Earlier, ChatGPT offered free API for a limited period. Recently, Open AI has stopped free access to ChatGPT API. It charges $0.002 per 1000 tokens for GPT-3 and $0.003 per 1000 tokens for GPT-4. The company claims this charge is lesser than its existing GPT-3.5.

What is Chat GPT API?

The ChatGPT API is an application programming interface allowing developers to integrate ChatGPT into other applications. This interface facilitates a medium of interaction between both applications. Open AI offers API for both GPT-3 and GPT-4 versions.

ChatGPT API is easy-to-use and well-documented. It can immediately understand instructions and respond to questions. The API can be scaled to handle large amounts of data and integrated into several systems.

Apps like Snapchat, Instacart, Quizzlet, Shop, and Speak have integrated ChatGPT API into their platform. Open AI also claims to improve ChatGPT APIs to make them constantly better.

Also ReadHow to Get ChatGPT API Key Free & Use it

How do I get an API key for ChatGPT?

It’s necessary to have an API Key to access ChatGPT API. Without a key, you cannot integrate ChatGPT into any other platform. The key authenticates the requests sent to the API, ensuring that only authorized users can access the service.

You can generate ChatGPT API keys using the following steps:

Step 1: Go to the official Open AI website

Step 2: Click the Signup button to create a new account if you don’t have one already. Otherwise, click Log in to sign into your existing Open AI account.

(You can also sign in via Google or Microsoft by selecting the appropriate option on the sign-in page.)

Step 3: Enter your login credentials.

Step 4: Click your profile icon to access the menu.

Step 5: Select the View API Keys option from the menu.

Alternatively, click this link to view the ChatGPT API key page

Step 6: Click the “Create an API Key” icon to generate your API Key

Step 7: After generating the API Key, copy and paste the code at an easily accessible place (like your notepad). Remember, the key is not viewable again. So, store it securely.

You can also revoke an API key by selecting the key and choosing the Revoke option.

How do I access the GPT-3 API?

ChatGPT offers GPT-3 API and relevant documentation to integrate GPT-3 API into other apps. You can access the GPT-3 API using the steps mentioned in the previous section. After generating GPT-3 API, follow the steps given below to add API keys to your program:

Step 1: Copy the API Key generated by Open AI.

Step 2: Select the programming language to create the application. You can use Java, Python, JavaScript, etc.

Step 3: Install SDK or the libraries for your selected language. For example, install pip for Python.

Step 4: Generate a new instance using your API Key.

Step 5: Now raise requests to the ChatGPT API, which will respond to your prompt in a few seconds. You can also set its methods to instruct ChatGPT to perform tasks like generating or translating text.

How do I access the GPT-4 API?

GPT-4 has recently been added to ChatGPT. Users can access its features using their Open AI account. However, GPT-4 is only accessible to ChatGPT-Plus members. Additionally, Open AI hasn’t yet released GPT-4 API. So you cannot access it directly. 

However, you can apply for its waitlist to get early access to GPT-4 API using the following process:

Step 1: Navigate to

Step 2: Fill in the form that pops up on your screen.

Step 3: Mention how you plan to use GPT-4 API and give ideas.

Step 4: Click Join Waitlist to submit your request.

Step 5: Wait until Open AI approves your request to access GPT-4 API.

Chat GPT-4 API Pricing

ChatGPT-4 API is not free, you can get to know about the pricing model from this detailed article about ChatGPT API Pricing. You have to purchase tokens to use GPT-4 API. The price for GPT-4 API tokens is as follows:


  • 8000 context – $0.03 for 1000 tokens (prompt) and $0.06 for 1000 tokens (complete)
  • 32000 context – $0.06 for 1000 tokens (prompt) and $0.12 for 1000 tokens (complete)

How much does it cost to use the ChatGPT API?

ChatGPT API costs vary depending on the API you want to use. For GPT-3, the price is $0.002 per 1000 tokens. However, for GPT-4, the price ranges from $0.03 to $0.12 per 1000 tokens.

Additionally, ChatGPT offers a free trial for its users. You can test the API before purchasing it.

What can you do Using the OpenAI Chat API?

The primary purpose of using ChatGPT API is to integrate ChatGPT into other platforms like WhatsApp. This enhances the functionalities of existing apps by adding ChatGPT’s language processing and conversation abilities. You can use ChatGPT in virtual assistants, chatbots, customer support systems, and several similar applications.

You can also customize applications or chatbots to perform specific functions by integrating ChatGPT.

FAQs about ChatGPT API

1. How to get ChatGPT API for free?

You cannot get Open AI ChatGPT API keys for free. The company only offers API keys at the cost of $0.002 for 1000 tokens. However, you can test the API keys before purchasing using the trial feature.

2. Can I use Chat GPT 4 for free?

ChatGPT-4 is not available for free users. You must purchase the ChatGPT Plus membership at $20 per month to access GPT-4. Alternatively, you can access GPT-4 on other platforms like Microsoft BingChat.

3. Does Chat GPT 3 have an API?

Yes, ChatGPT 3 offers API to its users. You can access GPT-3 API using the steps mentioned in this post.

4. Does Chat GPT have a public API?

No, ChatGPT doesn’t offer a public API. However, it offers API access to developers willing to integrate this platform into other apps. You can apply for a ChatGPT API using the above steps and get it immediately.

5. Is GPT-3 API free?

Open AI offers GPT-3 access, but it is not free. Users must purchase GPT-3 API for $0.03 per 1000 tokens to access it. Again, this price may vary depending on the plan you choose.

6. Is ChatGPT 4 API free?

No, ChatGPT-4 API is not free. It ranges from $0.03 per 1000 tokens to $0.12 per 1000 tokens depending on the context and plan you choose.


Open AI ChatGPT’s API is an excellent tool for integrating ChatGPT features with other online applications. This feature enables developers to develop powerful applications using ChatGPT’s language processing capabilities. So, follow the steps given in this guide to generate ChatGPT API and create your customized application with ChatGPT features.

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