Microsoft Translator Text

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Por Microsoft Azure | Atualizado 3 months ago | Translation
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Visão geral de Microsoft Translator Text

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Introduction

The Microsoft Translator Text API provides a JSON-based Web API. It provides:

  • Translation between any supported languages to any other supported language.
  • Translation to multiple languages in one request.
  • Transliteration to convert text from one script to another script of the same language.
  • Language detection, translation, and transliteration in one request.
  • Dictionary to lookup alternative translations of a term, to find back-translations and examples showing terms used in context.
  • Rich language detection.

Base URLs

The Translator Text API is available in the following clouds:

Description Region Base URL
Azure Global api.cognitive.microsofttranslator.com
Azure Europe api-eur.cognitive.microsofttranslator.com

Authentication

Subscribe to the Translator Text API, part of Azure Cognitive Services, and use your subscription key from the Azure portal to authenticate. You can follow the steps in https://docs.microsoft.com/en-us/azure/cognitive-services/translator/translator-text-how-to-signup.

The simplest way is to pass your Azure secret key to the Translator service using the http request header Ocp-Apim-Subscription-Key.

If you prefer using a short-lived authentication, you may use your secret key to obtain an authorization token from the token service. In that case you pass the authorization token to the Translator service using the Authorization request header. To obtain an authorization token, make a POST request to the following URL:

Environment Authentication service URL
Azure https://api.cognitive.microsoft.com/sts/v1.0/issueToken

Here are example requests to obtain a token with a lifetime of 10 minutes, given a secret key:

// Pass secret key using header
curl --header 'Ocp-Apim-Subscription-Key: <your-key>' --data "" 'https://api.cognitive.microsoft.com/sts/v1.0/issueToken'
// Pass secret key using query string parameter
curl --data "" 'https://api.cognitive.microsoft.com/sts/v1.0/issueToken?Subscription-Key=<your-key>'

A successful request returns the encoded access token as plain text in the response body. The valid token is passed to the Translator service as a bearer token in the Authorization.

Authorization: Bearer <Base64-access_token>

An authentication token is valid for 10 minutes. The token should be re-used when making multiple calls to the Translator APIs. If you make requests to the Translator API over an extended period of time, you must request a new access token at regular intervals before the token expires, for instance every 9 minutes.

To summarize, a client request to the Translator API will include one authorization header taken from the following table:

Headers Description
Ocp-Apim-Subscription-key Use with Cognitive Services subscription if you are passing your secret key. The value is the Azure secret key for your subscription to Translator Text API.
Authorization Use with Cognitive Services subscription if you are passing an authentication token. The value is the Bearer token: Bearer <token>.

All-in-one subscription

The last authentication option is to use a Cognitive Service’s all-in-one subscription. This allows you to use a single secret key to authenticate requests for multiple services.
When you use an all-in-one secret key, you must include two authentication headers with your request. The first passes the secret key, the second specifies the region associated with your subscription.
Ocp-Api-Subscription-Key Ocp-Apim-Subscription-Region
If you pass the secret key in the query string with the parameter Subscription-Key, then you must specify the region with query parameter Subscription-Region.
If you use a bearer token, you must obtain the token from the region endpoint:
https://<your-region>.api.cognitive.microsoft.com/sts/v1.0/issueToken.

Available regions are: australiaeast, brazilsouth, canadacentral, centralindia, centraluseuap, eastasia, eastus, eastus2, japaneast, northeurope, southcentralus, southeastasia, uksouth, westcentralus, westeurope, westus, and westus2.

Region is required for the all-in-one Text API subscription.

Errors

A standard error response is a JSON object with name/value pair named error. The value is also a JSON object with properties:

  • code: A server-defined error code.
  • message: A string giving a human-readable representation of the error.

For example, a customer with a free trial subscription receives the following error once the free quota is exhausted:

{
  "error": {
  "code":403000,
  "message":"The subscription has exceeded its free quota."
  }
}

Enter your subscription keys to try out Microsoft Translator.

Select the Authorize button and enter your Microsoft Translator subscription key, OR your all in one Cognitive Services subscription key. If you are using the all in one Cognitive Services key you will need to also enter your subscription region.

Available regions are:

australiaeast, brazilsouth, canadacentral, centralindia, centraluseuap, eastasia, eastus, eastus2, japaneast, northeurope, southcentralus, southeastasia, uksouth, westcentralus, westeurope, westus, westus2.

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