How do I fix 400 unsupported_content or unsupported_parameter?

• unsupported_content — the request has image parts. SuperCosmos reads text only.
• unsupported_parameter — the request asks for n > 1 or logprobs.
• invalid_effort — an unknown effort. Use flash, max, heavy (or reasoning_effort low, medium, high).

Good to know#

• Branch your code on the error code, not the message.
• On 429, wait the Retry-After seconds before retrying.
• When asking support about an error, send the key's name, never the key.

Learn more#

• Errors guide
• API errors reference
• Model API errors

Still need help?#

• General support: support@clatterlabs.com or team@clatterlabs.xyz
• Infrastructure questions, or permanent deletion of your data (your whole account or one service): infrastructure@clatterlabs.xyz

We usually reply within the first hour, and always within 24 hours. A full support team is with you.