Error: Gemini 3.1 Pro - Unknown error

Error Details

Model: Gemini 3.1 Pro
Provider: gemini
Status Code: N/A

Error Output

{"error":{"message":"{\n  \"error\": {\n    \"code\": 403,\n    \"message\": \"Requests to this API generativelanguage.googleapis.com method google.ai.generativelanguage.v1beta.GenerativeService.StreamGenerateContent are blocked.\",\n    \"status\": \"PERMISSION_DENIED\",\n    \"details\": [\n      {\n        \"@type\": \"type.googleapis.com/google.rpc.ErrorInfo\",\n        \"reason\": \"API_KEY_SERVICE_BLOCKED\",\n        \"domain\": \"googleapis.com\",\n        \"metadata\": {\n          \"consumer\": \"projects/177838813423\",\n          \"service\": \"generativelanguage.googleapis.com\",\n          \"apiName\": \"generativelanguage.googleapis.com\",\n          \"methodName\": \"google.ai.generativelanguage.v1beta.GenerativeService.StreamGenerateContent\"\n        }\n      },\n      {\n        \"@type\": \"type.googleapis.com/google.rpc.LocalizedMessage\",\n        \"locale\": \"en-US\",\n        \"message\": \"Requests to this API generativelanguage.googleapis.com method google.ai.generativelanguage.v1beta.GenerativeService.StreamGenerateContent are blocked.\"\n      }\n    ]\n  }\n}\n","code":403,"status":"Forbidden"}}

Additional Context
Please add any additional context about the error here

No files, tests, or entry points are identified in the report. Start by reproducing the Gemini 3.1 Pro request and checking the reported 403 API_KEY_SERVICE_BLOCKED response, then determine whether the failure is in the Gemini provider integration or API-key service permissions. Done means the cause and a reproducible resolution are documented.