diff --git a/.env b/.env
index 6b9296d..71201af 100644
--- a/.env
+++ b/.env
@@ -6,7 +6,7 @@ SESSION_SECRET=pedagog-secret-key-321123
 MINIMAX_API_KEY=sk-cp-siEwoNh9WA3Prxe6frpJ2HsXPje-gjt5jObhHloqqoO0FX0i9yP54N3zhY492GKu18l9XiANDiCoECU3t0uMtRODvkzzi93A2Rmtco6MjATrKNOEDR_bxa4
 MINIMAX_API_BASE=https://api.minimax.io/v1
 GROQ_API_KEY=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
-GROQ_MODEL=llama-3.3-70b-versatile
+GROQ_MODEL=openai/gpt-oss-120b
 
 GOOGLE_AI_API_KEY=AIzaSyACelmI6-Bxc7TZ0sAzzgLd_F8VBexOjcQ
 GOOGLE_AI_MODEL=gemini-2.5-flash
diff --git a/scratch/test_keys.js b/scratch/test_keys.js
new file mode 100644
index 0000000..e86239d
--- /dev/null
+++ b/scratch/test_keys.js
@@ -0,0 +1,183 @@
+require('dotenv').config({ path: '/root/Apps/Camila/.env' });
+const { Pool } = require('pg');
+
+async function testAll() {
+  const results = [];
+
+  // 1. Test PostgreSQL Database
+  try {
+    const pool = new Pool({ connectionString: process.env.DATABASE_URL });
+    const res = await pool.query('SELECT NOW() as now, current_database() as db;');
+    await pool.end();
+    results.push({
+      service: 'PostgreSQL (Supabase DB)',
+      status: '✅ OK',
+      details: `Conectado ao banco "${res.rows[0].db}" em ${res.rows[0].now}`
+    });
+  } catch (err) {
+    results.push({
+      service: 'PostgreSQL (Supabase DB)',
+      status: '❌ ERRO',
+      details: err.message
+    });
+  }
+
+  // 2. Test MiniMax
+  try {
+    const minmBase = (process.env.MINIMAX_API_BASE || 'https://api.minimax.io/v1').replace(/\/v1\/?$/, '');
+    const model = process.env.MINIMAX_MODEL || 'MiniMax-M3';
+    const res = await fetch(`${minmBase}/v1/chat/completions`, {
+      method: 'POST',
+      headers: {
+        'Authorization': `Bearer ${process.env.MINIMAX_API_KEY}`,
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify({
+        model: model,
+        messages: [{ role: 'user', content: 'Diga "ok"' }],
+        max_tokens: 10
+      })
+    });
+    if (res.ok) {
+      const data = await res.json();
+      const answer = data.choices?.[0]?.message?.content || JSON.stringify(data);
+      results.push({
+        service: `MiniMax (${model})`,
+        status: '✅ OK',
+        details: `Resposta: "${answer.trim()}"`
+      });
+    } else {
+      const txt = await res.text();
+      results.push({
+        service: `MiniMax (${model})`,
+        status: `❌ HTTP ${res.status}`,
+        details: txt
+      });
+    }
+  } catch (err) {
+    results.push({
+      service: 'MiniMax',
+      status: '❌ ERRO',
+      details: err.message
+    });
+  }
+
+  // 3. Test Groq
+  try {
+    const model = process.env.GROQ_MODEL || 'llama-3.3-70b-versatile';
+    const res = await fetch('https://api.groq.com/openai/v1/chat/completions', {
+      method: 'POST',
+      headers: {
+        'Authorization': `Bearer ${process.env.GROQ_API_KEY}`,
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify({
+        model: model,
+        messages: [{ role: 'user', content: 'Diga "ok"' }],
+        max_tokens: 10
+      })
+    });
+    if (res.ok) {
+      const data = await res.json();
+      const answer = data.choices?.[0]?.message?.content || JSON.stringify(data);
+      results.push({
+        service: `Groq (${model})`,
+        status: '✅ OK',
+        details: `Resposta: "${answer.trim()}"`
+      });
+    } else {
+      const txt = await res.text();
+      results.push({
+        service: `Groq (${model})`,
+        status: `❌ HTTP ${res.status}`,
+        details: txt
+      });
+    }
+  } catch (err) {
+    results.push({
+      service: 'Groq',
+      status: '❌ ERRO',
+      details: err.message
+    });
+  }
+
+  // 4. Test OpenRouter
+  try {
+    const model = process.env.OPENROUTER_MODEL || 'openai/gpt-4.1-nano';
+    const res = await fetch('https://openrouter.ai/api/v1/chat/completions', {
+      method: 'POST',
+      headers: {
+        'Authorization': `Bearer ${process.env.OPENROUTER_API_KEY}`,
+        'HTTP-Referer': 'https://pedagog.app',
+        'X-Title': 'Pedagog AI Test',
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify({
+        model: model,
+        messages: [{ role: 'user', content: 'Diga "ok"' }],
+        max_tokens: 10
+      })
+    });
+    if (res.ok) {
+      const data = await res.json();
+      const answer = data.choices?.[0]?.message?.content || JSON.stringify(data);
+      results.push({
+        service: `OpenRouter (${model})`,
+        status: '✅ OK',
+        details: `Resposta: "${answer.trim()}"`
+      });
+    } else {
+      const txt = await res.text();
+      results.push({
+        service: `OpenRouter (${model})`,
+        status: `❌ HTTP ${res.status}`,
+        details: txt
+      });
+    }
+  } catch (err) {
+    results.push({
+      service: 'OpenRouter',
+      status: '❌ ERRO',
+      details: err.message
+    });
+  }
+
+  // 5. Test Google Gemini AI
+  try {
+    const model = process.env.GOOGLE_AI_MODEL || 'gemini-2.5-flash';
+    const apiKey = process.env.GOOGLE_AI_API_KEY;
+    const res = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/${model}:generateContent?key=${apiKey}`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        contents: [{ parts: [{ text: 'Diga "ok"' }] }]
+      })
+    });
+    if (res.ok) {
+      const data = await res.json();
+      const answer = data.candidates?.[0]?.content?.parts?.[0]?.text || JSON.stringify(data);
+      results.push({
+        service: `Google Gemini (${model})`,
+        status: '✅ OK',
+        details: `Resposta: "${answer.trim()}"`
+      });
+    } else {
+      const txt = await res.text();
+      results.push({
+        service: `Google Gemini (${model})`,
+        status: `❌ HTTP ${res.status}`,
+        details: txt
+      });
+    }
+  } catch (err) {
+    results.push({
+      service: 'Google Gemini',
+      status: '❌ ERRO',
+      details: err.message
+    });
+  }
+
+  console.log(JSON.stringify(results, null, 2));
+}
+
+testAll();