[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-07-14。"],[],[],null,["# Quotas & limits\n\nThis document contains current API restrictions and usage limits on use of\nText-to-Speech. This page will be updated to reflect any changes to these\nrestrictions and usage limits. We reserve the right to change these limits. To\nkeep track of your content and request totals, see the documentation about\n[monitoring your API usage](https://cloud.google.com/apis/docs/monitoring).\n\nYou can use the audio data files you create using Text-to-Speech in\nyour applications or media in compliance with the\n[Google Cloud Platform Terms of Service](/terms) including compliance\nwith all applicable law.\n\nYou can request an increase to the\n[requests limit](/text-to-speech/quotas#requests_limit) from the\n[Google Cloud console](https://console.cloud.google.com/). The\n[content limits](/text-to-speech/quotas#content_limits) cannot be increased.\nFor more information, see [Request a quota adjustment](/docs/quotas/view-manage).\n\nAfter submitting your request, Google may contact you for more\ninformation, and inform you whether your request is approved or denied.\n\nContent limits\n--------------\n\nContent to Text-to-Speech is provided as text data, either as\nraw strings or SSML-formatted data.\n\nThe API contains the following limits on the size of this content (and\nare subject to change):\n\n| **Note:** In some locales (for example ja-JP), a single character is made up of multiple bytes.\n\nRequests limit\n--------------\n\nThe current API usage limits for Text-to-Speech are as follows\n(and are subject to change):\n\n| **Note:** The `RequestsPerMinutePerProject` quota applies to all Text-to-Speech voices that don't have a dedicated quota listed in this table."]]
