DeepL

Machine translation: translate text and documents between supported languages

DeepL API referenceAPI checked August 17, 2026

Signs in with: API key
Runs on: Cloud or On-Prem Worker
Operations: 62
Ready-made triggers: 0

Connect DeepL

In Neblex open Connect › Connections and click New Connection.
Search for DeepL and give the connection a clear name.
Fill in the fields. Secret values are encrypted and never shown again.
Click Test, then Create Connection.

Field	What to enter
API hostRequired	Choose the official DeepL Pro or Free API host.
DeepL Auth KeyRequiredSecret

Use it in a flow

Open a flow, open the node library and search for DeepL.
Drag it onto the canvas and choose an Operation and your connection.
Map the operation's fields from earlier steps, or click Map with Matt.
Use Test this step to see what it returns, then save.

To start a flow from DeepL without a ready-made trigger: a Poll for changes trigger can check one of its list operations on a schedule and pass on only what is new; if DeepL can send webhooks, a Webhook trigger receives them at its own URL.

Operations

62 operations in 14 groups. Each one is a step you can add to a flow.

AdminApi7

Create a developer key as an admin`adminCreateDeveloperKey`	POST	Create a developer key as an admin
Deactivate a developer key as an admin`adminDeactivateDeveloperKey`	PUT	Deactivate a developer key as an admin
Get all developer keys as an admin`adminGetDeveloperKeys`	GET	Get all developer keys as an admin
Get custom tag usage statistics as an admin`adminGetCustomTagAnalytics`	GET	Retrieve usage statistics broken down by custom tags within a specified date range.
Get usage statistics as an admin`adminGetAnalytics`	GET	Retrieve usage statistics for the organization within a specified date range.
Rename a developer key as an admin`adminRenameDeveloperKey`	PUT	Rename a developer key as an admin
Set developer key usage limits as an admin`adminSetDeveloperKeyUsageLimits`	PUT	Set developer key usage limits as an admin

CorrectText1

Correct textcorrectText POST Fix spelling and grammar errors in one or more texts.

ManageGlossaries6

Create a Glossary`createGlossary`	POST	Create a Glossary
Delete a Glossary`deleteGlossary`	DELETE	Deletes the specified glossary.
List all Glossaries`listGlossaries`	GET	List all glossaries and their meta-information, but not the glossary entries.
List Language Pairs Supported by Glossaries`listGlossaryLanguages`	GET	Deprecated.
Retrieve Glossary Details`getGlossary`	GET	Retrieve meta information for a single glossary, omitting the glossary entries.
Retrieve Glossary Entries`getGlossaryEntries`	GET	List the entries of a single glossary in the format specified by the Accept header.

ManageMultilingualGlossaries8

Create a Glossary`createMultilingualGlossary`	POST	Create a Glossary
Delete a Glossary`deleteMultilingualGlossary`	DELETE	Deletes the specified glossary.
Deletes the dictionary associated with the given language pair with the given glossary ID.`deleteDictionary`	DELETE	Deletes the dictionary associated with the given language pair with the given glossary ID.
Edit glossary details`patchMultilingualGlossary`	PATCH	Edit glossary details, such as name or a dictionary for a source and target language.
List all Glossaries`listMultilingualGlossaries`	GET	List all glossaries and their meta-information, but not the glossary entries.
Replaces or creates a dictionary in the glossary with the specified entries.`replaceDictionary`	PUT	Replaces or creates a dictionary in the glossary with the specified entries.
Retrieve Glossary Details`getMultilingualGlossary`	GET	Retrieve meta information for a single glossary, omitting the glossary entries.
Retrieve Glossary Entries`getMultilingualGlossaryEntries`	GET	List the entries of a single glossary in tsv format.

ManageSpokenTerms8

Create Spoken Terms collection`createSpokenTerms`	POST	Create a new Spoken Terms collection with one or more term lists.
Delete a term list`deleteSpokenTermsList`	DELETE	Delete a term list for a specific language from the Spoken Terms collection.
Delete Spoken Terms collection`deleteSpokenTerms`	DELETE	Delete the entire Spoken Terms collection.
Edit Spoken Terms collection details`patchSpokenTerms`	PATCH	Update the name of a Spoken Terms collection or merge new entries into an existing term list.
List all Spoken Terms collections`listSpokenTerms`	GET	List all Spoken Terms collections and their metadata, but not the actual terms.
Replace or create a term list`putSpokenTermsList`	PUT	Replace an existing term list for a language, or create a new one if it doesn't exist.
Retrieve Spoken Terms collection details`getSpokenTerms`	GET	Retrieve metadata for a Spoken Terms collection, including term list information but not the actual terms.
Retrieve Spoken Terms entries`getSpokenTermsEntries`	GET	Retrieve the actual terms for a specific language from a Spoken Terms collection.

MetaInformation4

Check Usage and Limits`getUsage`	GET	Check Usage and Limits
Retrieve Language Resources`getLanguageResources`	GET	Returns all DeepL API resources and the features they support.
Retrieve Languages`getLanguages`	GET	Returns languages supported by the specified DeepL API resource.
Retrieve Supported Languages`getLanguagesV2`	GET	Deprecated.

QualityEvaluation2

Poll for the evaluation result`pollQualityEvaluation`	GET	Returns the current state of an evaluation job.
Submit an evaluation job`submitQualityEvaluation`	POST	Starts an evaluation job for the given segments.

RephraseText1

Improve textrephraseText POST Improve text

TranslateDocuments3

Check Document Status`getDocumentStatus`	POST	Check Document Status
Download Translated Document`downloadDocument`	POST	Download Translated Document
Upload and Translate a Document`translateDocument`	POST	Upload and Translate a Document

TranslateText1

Request TranslationtranslateText POST Request Translation

TranslationMemories7

Delete a translation memory`deleteTranslationMemory`	DELETE	Delete a translation memory and all of its segments.
Export a translation memory`createTranslationMemoryExport`	POST	Export a translation memory as a TMX file.
Import a translation memory`createTranslationMemoryImport`	POST	Create a translation memory by importing a TMX file.
List translation memories`listTranslationMemories`	GET	Retrieve a list of translation memories associated with the authenticated account.
List translation memory segments`getTranslationMemorySegments`	GET	List the segments stored in a translation memory, one page at a time.
Retrieve a translation memory`getTranslationMemory`	GET	Retrieve a single translation memory by its ID, including its languages and segment count.
Retrieve an import or export job`getTranslationMemoryJob`	GET	Retrieve the status of a translation memory import or export job.

VoiceAPI2

Get Streaming URL`getVoiceStreamingUrl`	POST	Get Streaming URL
Request Reconnection`requestReconnection`	GET	Request Reconnection

VoiceTranslateJob2

Create a voice translation job`createVoiceTranslateJob`	POST	Creates an async voice translation job.
Get voice translation job status`getVoiceTranslateJobStatus`	GET	Returns the current status of a voice translation job, including per-target result statuses.

General10

Create a custom instruction`createCustomInstruction`	POST	Create a custom instruction
Create a style rule list`createStyleRuleList`	POST	Create a style rule list
Delete a custom instruction`deleteCustomInstruction`	DELETE	Delete a custom instruction
Delete a style rule list`deleteStyleRuleList`	DELETE	Delete a style rule list
Get a custom instruction`getCustomInstruction`	GET	Get a custom instruction
Get a style rule list`getStyleRuleList`	GET	Get a style rule list
Replace a custom instruction`updateCustomInstruction`	PUT	Replace a custom instruction
Replace configured rules for a style rule list`updateStyleRuleConfiguredRules`	PUT	Replace configured rules for a style rule list
Retrieve style rule lists`getStyleRuleLists`	GET	Retrieve style rule lists
Update a style rule list's name`updateStyleRuleList`	PATCH	Update a style rule list's name