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Learn how to create an OpenAI account, generate your API key, add billing funds, set usage limits, and manage your API keys. A straightforward guide for beginners and developers.

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Step 1: Create or Log In to an OpenAI Account

• Go to https://platform.openai.com/signup
• Sign up using your email, Google, or Microsoft account.
• Verify your email and phone number.

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Step 2: Log In to the OpenAI Platform

Visit https://platform.openai.com and log in with your account credentials.

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Step 3: Obtain Your API Key

• Navigate to the API Keys page.
• Click + Create new secret key in the top-right corner.
• Optionally set a name and select a project, then click Create secret key.
• Copy and securely store the key immediately, as it will not be shown again.

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Step 4: Add Funds (Billing)

• Go to Billing Overview. You will see your credit balance.
• Click Add to credit balance. A pop-up will appear—enter the amount, add payment details, click Continue, and then Confirm.
• Ensure your billing details are up to date to avoid interruptions.

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Congratulations! You now have your API key. Below are some optional but useful tips to help you get the most out of the API.

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Step 5: Set Usage Limits

• To control your spending, OpenAI allows you to set usage limits or hard caps on your account.
• Visit the Usage Limits page.
• Monitor usage and set monthly limits to avoid unexpected charges.
• Once the limit is reached, API access will be restricted until the next billing cycle or until you adjust the limit.

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Step 6: Monitor Pricing and Usage

• Review detailed pricing information at openai.com/pricing.
• Regularly check your usage on the Usage page to stay within budget.

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Step 7: Manage Your API Keys

• You can create multiple API keys, organizations, and projects, revoke keys, and more. Read the official OpenAI documentation to learn more.

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