How to Test OpenAI API Key Quickly

You can test your key in under two minutes.

Fast validation flow

• Paste key in DapperGPT settings.
• Select OpenAI model.
• Send a short prompt like: "Say hello in 5 words."
• Confirm response arrives without errors.

What success looks like

• Response streams or returns normally.
• No authentication errors.
• Usage appears in your provider dashboard.

Common errors

• Incorrect API key provided: regenerate and paste carefully.
• Insufficient quota: add billing or wait for quota reset.
• Rate limit exceeded: slow requests and retry.

Extra checks for teams

• Test with a restricted key.
• Verify model access for all environments.
• Record a standard "health prompt" for ongoing monitoring.