Request Manual Allowlist Override for Gemini 3.1 Flash TTS Preview

Gemini API
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  1. Subject: Allowlist request: gemini-3.1-flash-tts-preview quota increase
  2. Project Details: gen-lang-client-08971850..
  3. Billing Status: Cloud Prepay 01C6EA-5D0D35-0C1B.. (the account is also a Google AI Pro subscriber)
  4. Use Case & Volume: Running a pipeline requiring ~100–150 daily calls and are hitting the 100/day metric limit.
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Hello @anagnorisis ,

For issues related to the Vertex AI API, please contact your sales representative if you have one. Otherwise, you can find more relevant assistance on the Google Cloud Forum.