diff --git a/src/services/api/agentRouting.test.ts b/src/services/api/agentRouting.test.ts
index 33eecc148..0ce37693c 100644
--- a/src/services/api/agentRouting.test.ts
+++ b/src/services/api/agentRouting.test.ts
@@ -892,3 +892,20 @@ test.each([undefined, 'parent-orca-key'])(
     expect(env.OPENAI_API_KEY).toBe('custom-key')
   },
 )
+
+test.each([undefined, 'parent-requesty-key'])(
+  'spawned Requesty override owns its key with ambient %s', ambient => {
+    const env: NodeJS.ProcessEnv = { REQUESTY_API_KEY: ambient }
+    applyAgentProviderOverrideToEnv({
+      model: 'openai/gpt-5-mini', baseURL: 'https://router.requesty.ai/v1',
+      apiKey: 'configured-agent-key',
+    }, env)
+    expect(env.REQUESTY_API_KEY).toBe('configured-agent-key')
+    expect(env.OPENAI_API_KEY).toBe('configured-agent-key')
+    applyAgentProviderOverrideToEnv({
+      model: 'custom', baseURL: 'https://custom.example/v1', apiKey: 'custom-key',
+    }, env)
+    expect(env.REQUESTY_API_KEY).toBeUndefined()
+    expect(env.OPENAI_API_KEY).toBe('custom-key')
+  },
+)
diff --git a/src/services/api/agentRouting.ts b/src/services/api/agentRouting.ts
index 6919c9413..11d1b1a10 100644
--- a/src/services/api/agentRouting.ts
+++ b/src/services/api/agentRouting.ts
@@ -57,6 +57,7 @@ const PROVIDER_ENV_VARS_TO_CLEAR_FOR_OVERRIDE = [
   'OPENAI_AUTH_SCHEME',
   'OPENAI_AUTH_HEADER_VALUE',
   'MERGE_GATEWAY_API_KEY',
+  'REQUESTY_API_KEY',
   'ORCAROUTER_API_KEY',
   'RUNCRATE_API_KEY',
   'CMD_API_KEY',
@@ -380,4 +381,8 @@ export function applyAgentProviderOverrideToEnv(
   if (resolveRouteIdFromBaseUrl(providerOverride.baseURL) === 'commandcode') {
     env.CMD_API_KEY = providerOverride.apiKey
   }
+  if (resolveRouteIdFromBaseUrl(providerOverride.baseURL) === 'requesty') {
+    const key = sanitizeApiKey(providerOverride.apiKey)
+    if (key) env.REQUESTY_API_KEY = key
+  }
 }