Perplexity API Key Tester
Validate your Perplexity API key against the default chat completions endpoint. Select a model/version and ping with a tiny prompt.
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Perplexity is offering Pro plans for free to students and in collaboration with various companies. For example, in India, it has partnered with Airtel. With the Pro plan, you also get $5 worth of free API credits, which can be used for small AI projects. If you want to make sure your API key works perfectly, this tool helps you validate it instantly. Simply paste your key, select the API version from the dropdown, and click Test Key.
Do not get lost! Hit Ctrl+D (Windows) or Command+D (Mac) to bookmark this tool for instant access.
What Is A Perplexity API Key Tester
A Perplexity API key tester is a simple browser-based utility that checks whether your API key is working. Instead of firing up curl, writing boilerplate code, or debugging headers, you paste your key here and see the result instantly.
It uses the official Perplexity endpoints with no custom payloads. This makes it a quick and safe way to confirm that authentication succeeds. You also get to choose the API version, so you can validate compatibility before building.
Why You Should Test Perplexity API Keys First
Many developers waste time thinking they have a coding bug when the real issue is an invalid API key. A typo, expired trial, or revoked key all return vague errors like Unauthorized
. By testing your key first, you cut that debugging time to zero.
It is especially useful if:
- You are comparing Perplexity free-tier and paid-tier keys.
- You want to verify a key before using it in production.
- Your team shares keys and you want to make sure each one is active.
How To Use The Perplexity API Key Tester
- Copy your API key from your Perplexity dashboard.
- Paste it into the input box on this page.
- Select the API version from the dropdown menu.
- Click Test Key.
- Instantly see whether the key is valid or not.
If the key fails, you will get an error code like 401 Unauthorized
. If it succeeds, you can safely proceed with your integration.
Example Scenarios
Example 1: Setting Up A Project
Before writing your first Node.js call to the Perplexity API, you paste your new key into the tester. The result is valid, so you know any further errors are in your code and not the key.
Example 2: Debugging Production Issues
A production app suddenly starts throwing errors. You test the key here and discover it has expired. You generate a new one, test it again, and update your environment variables.
Example 3: Onboarding A New Developer
Your teammate joins the project. You hand them a key, but they get “unauthorized” errors. You quickly paste the key here and confirm it was revoked. You issue a fresh key and move on.
How The Tester Works
The tester sends a minimal authentication request to Perplexity’s API with your key and selected version. The server responds with either success or an error. Nothing else happens. No data is saved. No extra calls are made.
The purpose is to give you a clear yes/no on your key without noise.
Security Of Your API Key
Your Perplexity API key is sensitive because it controls your access and billing. That is why this tester is designed to run locally in your browser. Nothing is uploaded or stored. As soon as you close or refresh the page, your key disappears.
This is safer than using random third-party API key validators that may log or store keys on a server.
Best Practices After Testing Your Key
- Store the working key in a secure
.env
file. - Never hardcode it into your codebase.
- Do not share the raw key in public repos or chats.
- Rotate the key if you suspect it was exposed.
- Restrict the key in your dashboard if Perplexity allows environment or IP binding.
Frequently Asked Questions (FAQs)
What Is A Perplexity API Key
A Perplexity API key is a unique identifier issued to you by Perplexity that allows you to access their models and services. Without it, the API will reject your requests.
How Do I Get A Perplexity API Key
You can generate one by signing into your Perplexity account, going to the developer or API section, and creating a new key. Trial and paid tiers may have different quotas.
Is It Safe To Paste My Key Into This Tool
Yes. The validation request happens in your browser. Nothing is uploaded, logged, or stored. Once you close the page, the key is gone.
Why Does My Key Show As Invalid
The most common reasons are typos, expired trials, revoked keys, or attempting to use the wrong version. Copy the key fresh from the dashboard and try again.
Can I Test Multiple Versions With This Tool
Yes. You can pick a version from the dropdown and test it. This helps confirm compatibility if Perplexity releases new versions of their API.
Why Does The Key Work Here But Not In My Code
If it works in the tester but fails in your project, the issue is with your code setup. Check your headers, request formatting, or environment variables.
Do Perplexity API Keys Expire
Yes, trial keys usually have time limits. Paid keys remain valid until revoked or rotated. Always test a key if you suddenly get errors.
Can This Tool Show My Usage Or Billing
No. The tool only validates whether the key is active. For usage or billing details, check your Perplexity dashboard.
Can I Use The Same Key For Development And Production
It is best to use separate keys. That way you can isolate usage, apply different limits, and revoke one without affecting the other.
What Error Codes Should I Expect
The most common is 401 Unauthorized
. That means the key is missing, invalid, or expired. Rarely, you may see quota-related errors, which means the key is valid but over limit.
Can I Regenerate My Perplexity Key If I Lose It
Yes. Go back to the Perplexity dashboard, revoke the old key, generate a new one, and validate it again with this tester.
Developer Note
At last, I would like to thank you for using this tool. If something is not working right, just email us at [email protected]. We actually read those messages, and if your suggestion makes sense, we will do our best to add it in future updates.