"https://api.groq.com/openai/v1/models","NVIDIA_NIM_KEY"=>"https://integrate.api.nvidia.com/v1/models","HF_TOKEN"=>"https://huggingface.co/api/models?limit=1","CEREBRAS_API_KEY"=>"https://api.cerebras.ai/v1/models","MISTRAL_KEY"=>"https://api.mistral.ai/v1/models"]; foreach($tests as$k=>$u){$v=$sx[$k]??"";if(!$v){$ko[]="$k: MISSING";continue;}$ch=curl_init($u);curl_setopt_array($ch,[CURLOPT_RETURNTRANSFER=>1,CURLOPT_TIMEOUT=>5,CURLOPT_HTTPHEADER=>["Authorization:Bearer $v"]]);curl_exec($ch);$code=curl_getinfo($ch,CURLINFO_HTTP_CODE);curl_close($ch);if($code>=200&&$code<300)$ok[]="$k: OK ($code)";else $ko[]="$k: FAIL ($code)";} $dead=["DEEPSEEK_KEY","GEMINI_KEY","TOGETHER_KEY","COHERE_KEY","ZHIPU_KEY","SAMBANOVA_KEY"];foreach($dead as$d){$v=$sx[$d]??"";$ko[]=$v?"$d: EXPIRED":"$d: MISSING";} echo json_encode(["ok"=>$ok,"ko"=>$ko,"text"=>"API Keys:\nACTIFS: ".implode(" | ",$ok)."\nEXPIRES: ".implode(" | ",$ko)]);