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xAI API error

xAI API 415 Unsupported Media Type: what it means and how to fix it

Error message
415 Unsupported Media Type

Retry? Not statedLast verified 2 documented fixes1 source

What it means

Returned on endpoints supporting POST when the POST body is empty or the JSON content-type header is missing.

Causes

  • The POST request has an empty body
  • The Content-Type: application/json header is missing

How to fix it

  1. Fix 1.

    Add a valid request body.

  2. Fix 2.

    Set the JSON content-type header.

    YAML
    Content-Type: application/json

More xAI API errors

All 18 xAI API errors

FAQ

What does the xAI API error "415 Unsupported Media Type" mean?

Returned on endpoints supporting POST when the POST body is empty or the JSON content-type header is missing.

How do I fix xAI API "415 Unsupported Media Type"?

There are 2 documented fixes. Start with the first: Add a valid request body.

Should I retry xAI API "415 Unsupported Media Type"?

Not stated. The official docs do not say whether this error is retryable.

Sources

Last verified against 1 source: xAI API's official docs and official SDK repositories.

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