DeepSeek API Error 422 Invalid Parameters [Fix]

In this post, we will see how to fix DeepSeek API Error 422 Invalid Parameters. DeepSeek-R1 is the latest open-source AI model developed by the Chinese startup DeepSeek.

Regardless of whether you are running DeepSeek R1 locally, via the Android app, or through a web-based interface, you may encounter a couple of errors. This post discusses a specific error that reads:

422 – Invalid Parameters

This is an HTTP request error in DeepSeek R1. If you see the same error message while using DeepSeek R1 on your Windows 11/10 PC, read this post for effective troubleshooting steps.

What is HTTP request error 422 Invalid Parameters in DeepSeek API?

The DeepSeek API error 421 occurs when the system fails to send or receive data due to network issues, server errors, or incorrect API configurations. The error message indicates that the request contains invalid or unsupported parameters, preventing successful communication with the model.

Fix DeepSeek API Error 422 Invalid Parameters

To fix the DeepSeek API Error 422 Invalid Parameters on your PC, use these solutions:

1. Monitor service status
2. Use the correct JSON format
3. Review and validate request parameters
4. Use a different API key

Let us see this in detail.

1] Monitor service status

Occasionally, errors may stem from service outages or maintenance. Click here to visit the DeepSeek’s Service Status page and see if the servers are experiencing downtime or maintenance. If there is an outage, try again once the API is operational.

2] Use the correct JSON format

When you interact with DeepSeek R1 via an API, your computer sends a request in JSON format, and the AI model processes it and sends back a response in JSON. If your JSON is incorrect, the API will return an HTTP request error because the system cannot understand your input.

To fix JSON errors, ensure that you are using the proper syntax, including correct brackets ({}, []) and quotation marks (“”) for keys. To avoid issues like missing commas or brackets, we recommend validating your JSON using online tools, such as JSON Validator.

3] Review and validate request parameters

DeepSeek R1 does not support certain parameters commonly used in other models, including temperature, top_p, presence_penalty, frequency_penalty, logprobs, and top_logprobs.

While other parameters will not trigger an error but will also have no effect, including logprobs or top_logprobs may cause your API request to fail. Ensure that your request does not include these unsupported parameters. Else, modify your request parameters according to the hints in the error message and then try again.

4] Use a different API key

If your API key is incorrect, expired, or revoked, the request may not be processed correctly, leading to request parameter validation failures. Also, if you send a request with parameters that your key is not authorized to use (for example, a free-tier key might not support certain advanced parameters), the API may return a request parameter error.

To fix this, ensure that you’re passing the API key correctly or generate a new one from your DeepSeek account.

I hope this helps.

Read: How to use Deepseek in Visual Studio Code.

Why is my DeepSeek not working?

If your DeepSeek is not working, check DeepSeek’s API status to see if the service is down. If the service is operational, ensure you’re using the correct parameters within your API request and that the request is properly structured. Also, disable any firewalls or VPNs that might be interfering and see if it works.

What is HTTP request error?

An HTTP request error occurs when the client, such as an API request or a web browser, fails to communicate with the server. It usually occurs due to network issues, server-side issues, incorrect request formatting, and authentication failures. To fix the error, you may need to examine the HTTP status code returned in the error response. This will help identify the cause of the issue and guide you toward the appropriate troubleshooting step.

What are the DeekSeep API error codes and their solutions?

CODE	DESCRIPTION
400 – Invalid Format	Cause: Invalid request body format. Solution: Modify your request body according to the hints in the error message.
401 – Authentication Fails	Cause: Authentication fails due to the wrong API key. Solution: Check your API key.
402 – Insufficient Balance	Cause: You have run out of balance. Solution: Check your account’s balance, or add funds.
422 – Invalid Parameters	Cause: Your request contains invalid parameters. Solution: Modify your request parameters
429 – Rate Limit Reached	Cause: You are sending requests too quickly. Solution: Pace your requests reasonably.
500 – Server Error	Cause: DeepSeek server encounters an issue. Solution: Retry your request after a brief wait
503 – Server Overloaded	Cause: The server is overloaded due to high traffic. Solution: Retry your request after a brief wait.

Read Next: DeepSeek Verification code not received.