How to get free Open API platform

You can use AI models like ChatGPT, Mistral, etc. for smart chatbots, content generation, summaries, and more — all using OpenRouter’s easy API platform.

📌 Step-by-Step Guide: Use Mistral AI’s Mixtral-8x7B for Free

✅ Step 1: Go to OpenRouter

Visit the official site: https://openrouter.ai

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✅ Step 2: Sign Up for a Free Account

1. Click Sign In or Sign Up in the top-right corner.
2. You can sign up using:
   • Google account
   • Discord
   • Email (standard signup)

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✅ Step 3: Get Your API Key

1. After logging in, go to this page:
   👉 https://openrouter.ai/keys Or go to top right profile icon and click on “Keys”
2. Click the button “Create new key”
3. Copy the generated key and save it safely.

📌 Note: This is like your personal password to access AI models — do not share it publicly.

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✅ Step 4: Use the Free Model

You can now use this API URL:
📡 https://openrouter.ai/api/v1/chat/completions

To use the Mixtral-8x7B-Instruct model by Mistral, specify this model name:

In short,
API Key: Generated API key from Step 3
Model: mistralai/mixtral-8x7b-instruct   Check other free models
URL(Endpoint): https://openrouter.ai/api/v1/chat/completions

✅ Step-by-Step: Activate Free Model Access (if it does not work with just using API key)

1. 🔗 Go to: https://openrouter.ai/settings/credits
2. Click on “Add Payment Method”
3. Add a debit or credit card (Visa/Mastercard etc.)
4. Your account will now be unlocked — you’ll be able to use free models immediately
5. You won’t be charged unless you intentionally use paid models