To avoid getting the 400, Invalid format error, you should use the correct format as mentioned in the official DeepSeek API documentation. Refer to the API documentation for more details.

If you can't access a website due to a 400 error, follow these steps.

400 Bad Request errors appear differently on different websites, so you may see something from the short list below instead of just 400 or another simple variant like that: ...

400 Bad Request errors appear differently on different websites, so you may see something from the short list below instead of just 400 or another simple variant like that: ...