Speech-to-Text documentation
Speech-to-Text enables easy integration of Google speech recognition
technologies into developer applications. Send audio and receive a text transcription
from the Speech-to-Text API service. Learn more
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Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-29 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-29 UTC."],[],[],null,["# Speech-to-Text documentation\n============================\n\n[Read product documentation](/speech-to-text/docs/speech-to-text-requests)\nSpeech-to-Text enables easy integration of Google speech recognition\ntechnologies into developer applications. Send audio and receive a text transcription\nfrom the Speech-to-Text API service. [Learn more](/speech-to-text/docs/speech-to-text-requests)\n[Get started for free](https://console.cloud.google.com/freetrial) \n\n#### Start your proof of concept with $300 in free credit\n\n- Get access to Gemini 2.0 Flash Thinking\n- Free monthly usage of popular products, including AI APIs and BigQuery\n- No automatic charges, no commitment \n[View free product offers](/free/docs/free-cloud-features#free-tier) \n\n#### Keep exploring with 20+ always-free products\n\n\nAccess 20+ free products for common use cases, including AI APIs, VMs, data warehouses,\nand more.\n\nDocumentation resources\n-----------------------\n\nFind quickstarts and guides, review key references, and get help with common issues. \nformat_list_numbered\n\n### Guides\n\n-\n\n [Quickstart: Transcribe speech to text by using client libraries](/speech-to-text/docs/transcribe-client-libraries)\n\n-\n\n [Quickstart: Transcribe speech to text by using the API](/speech-to-text/docs/transcribe-api)\n\n-\n\n [Quickstart: Transcribe speech to text by using the gcloud CLI](/speech-to-text/docs/transcribe-gcloud)\n\n-\n\n [Language support](/speech-to-text/docs/languages)\n\n-\n\n [Transcribing audio from streaming input](/speech-to-text/docs/streaming-recognize)\n\n-\n\n [Transcribing long audio files](/speech-to-text/docs/async-recognize)\n\n-\n\n [Speech-to-Text Client Libraries](/speech-to-text/docs/libraries)\n\n-\n\n [Transcribing short audio files](/speech-to-text/docs/sync-recognize)\n\n-\n\n [Separating different speakers in an audio recording](/speech-to-text/docs/multiple-voices)\n\nfind_in_page\n\n### Reference\n\n-\n\n [REST API](/speech-to-text/docs/reference/rest)\n\n-\n\n [RPC API](/speech-to-text/docs/reference/rpc)\n\n-\n\n [Supported class tokens](/speech-to-text/docs/class-tokens)\n\n-\n\n [Client libraries](/speech-to-text/docs/client-libraries)\n\ninfo\n\n### Resources\n\n-\n\n [Pricing](/speech-to-text/pricing)\n\n-\n\n [Quotas and limits](/speech-to-text/quotas)\n\n-\n\n [Error messages](/speech-to-text/docs/error-messages)\n\n-\n\n [Release notes](/speech-to-text/docs/release-notes)\n\n-\n\n [Troubleshooting](/speech-to-text/docs/troubleshooting)\n\n-\n\n [Getting support](/speech-to-text/docs/getting-support)\n\n-\n\n [Billing questions](/speech-to-text/docs/billing-questions)\n\nRelated videos\n--------------\n\n### Try Speech-to-Text for yourself\n\nCreate an account to evaluate how our products perform in real-world scenarios. \nNew customers also get $300 in free credits to run, test, and deploy workloads. \n[Try Speech-to-Text free](https://console.cloud.google.com/freetrial)"]]
