Google Gemini

Google AI models: text generation, vision, embeddings, and function calling

Google Gemini API referenceAPI checked August 17, 2026

Signs in with: Connection fields
Runs on: Cloud or On-Prem Worker
Operations: 79
Ready-made triggers: 0

Connect Google Gemini

In Neblex open Connect › Connections and click New Connection.
Search for Google Gemini 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
Gemini API keyOptionalSecret	Official primary credential; sent in the x-goog-api-key header.
OAuth access tokenOptionalSecret	Official OAuth alternative; sent as Authorization: Bearer <token>.
Google Cloud user projectOptional	Required with the OAuth alternative and sent in x-goog-user-project.

Use it in a flow

Open a flow, open the node library and search for Google Gemini.
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.

Operations

79 operations in 20 groups. Each one is a step you can add to a flow.

Auth Tokens1

Creates a token that can be used to constrain the behavior of a BidiGenerateContentauth_tokens_create POST Creates a token that can be used to constrain the behavior of a BidiGenerateContent session.

Batches6

Deletes a long-running operation`batches_delete`	DELETE	Deletes a long-running operation.
Gets the latest state of a long-running operation`batches_get`	GET	Gets the latest state of a long-running operation.
Lists operations that match the specified filter in the request`batches_list`	GET	Lists operations that match the specified filter in the request.
Starts asynchronous cancellation on a long-running operation`batches_cancel`	POST	Starts asynchronous cancellation on a long-running operation.
Updates a batch of EmbedContent requests for batch processing`batches_updateEmbedContentBatch`	PATCH	Updates a batch of EmbedContent requests for batch processing.
Updates a batch of GenerateContent requests for batch processing`batches_updateGenerateContentBatch`	PATCH	Updates a batch of GenerateContent requests for batch processing.

Cached Contents5

Creates CachedContent resource`cachedContents_create`	POST	Creates CachedContent resource.
Deletes CachedContent resource`cachedContents_delete`	DELETE	Deletes CachedContent resource.
Lists CachedContents`cachedContents_list`	GET	Lists CachedContents.
Reads CachedContent resource`cachedContents_get`	GET	Reads CachedContent resource.
Updates CachedContent resource (only expiration is updatable)`cachedContents_patch`	PATCH	Updates CachedContent resource (only expiration is updatable).

Corpora4

Creates an empty `Corpus``corpora_create`	POST	Creates an empty Corpus.
Deletes a `Corpus``corpora_delete`	DELETE	Deletes a Corpus.
Gets information about a specific `Corpus``corpora_get`	GET	Gets information about a specific Corpus.
Lists all `Corpora` owned by the user`corpora_list`	GET	Lists all Corpora owned by the user.

Corpora / Operations1

Gets the latest state of a long-running operationcorpora_operations_get GET Gets the latest state of a long-running operation.

Corpora / Permissions5

Create a permission to a specific resource`corpora_permissions_create`	POST	Create a permission to a specific resource.
Deletes the permission`corpora_permissions_delete`	DELETE	Deletes the permission.
Gets information about a specific Permission`corpora_permissions_get`	GET	Gets information about a specific Permission.
Lists permissions for the specific resource`corpora_permissions_list`	GET	Lists permissions for the specific resource.
Updates the permission`corpora_permissions_patch`	PATCH	Updates the permission.

Dynamic1

Generates a model response given an input `GenerateContentRequest`dynamic_generateContent POST Generates a model response given an input GenerateContentRequest.

Environments4

Creates an environment`environments_create`	POST	Creates an environment.
Deletes an environment`environments_delete`	DELETE	Deletes an environment.
Gets an environment`environments_get`	GET	Gets an environment.
Lists environments`environments_list`	GET	Lists environments.

File Search Stores5

Creates an empty `FileSearchStore``fileSearchStores_create`	POST	Creates an empty FileSearchStore.
Deletes a `FileSearchStore``fileSearchStores_delete`	DELETE	Deletes a FileSearchStore.
Gets information about a specific `FileSearchStore``fileSearchStores_get`	GET	Gets information about a specific FileSearchStore.
Imports a `File` from File Service to a `FileSearchStore``fileSearchStores_importFile`	POST	Imports a File from File Service to a FileSearchStore.
Lists all `FileSearchStores` owned by the user`fileSearchStores_list`	GET	Lists all FileSearchStores owned by the user.

File Search Stores / Documents3

Deletes a `Document``fileSearchStores_documents_delete`	DELETE	Deletes a Document.
Gets information about a specific `Document``fileSearchStores_documents_get`	GET	Gets information about a specific Document.
Lists all `Document`s in a `Corpus``fileSearchStores_documents_list`	GET	Lists all Documents in a Corpus.

File Search Stores / Operations1

Gets the latest state of a long-running operationfileSearchStores_operations_get GET Gets the latest state of a long-running operation.

File Search Stores / Upload / Operations1

Gets the latest state of a long-running operationfileSearchStores_upload_operations_get GET Gets the latest state of a long-running operation.

Files4

Deletes the `File``files_delete`	DELETE	Deletes the File.
Gets the metadata for the given `File``files_get`	GET	Gets the metadata for the given File.
Lists the metadata for `File`s owned by the requesting project`files_list`	GET	Lists the metadata for Files owned by the requesting project.
Registers a Google Cloud Storage files with FileService`files_register`	POST	Registers a Google Cloud Storage files with FileService.

Generated Files1

Lists the generated files owned by the requesting projectgeneratedFiles_list GET Lists the generated files owned by the requesting project.

Generated Files / Operations1

Gets the latest state of a long-running operationgeneratedFiles_operations_get GET Gets the latest state of a long-running operation.

Models17

Enqueues a batch of `EmbedContent` requests for batch processing`models_asyncBatchEmbedContent`	POST	Enqueues a batch of EmbedContent requests for batch processing.
Enqueues a batch of `GenerateContent` requests for batch processing`models_batchGenerateContent`	POST	Enqueues a batch of GenerateContent requests for batch processing.
Generates a grounded answer from the model given an input `GenerateAnswerRequest``models_generateAnswer`	POST	Generates a grounded answer from the model given an input GenerateAnswerRequest.
Generates a model response given an input `GenerateContentRequest``generateContent`	POST	Generates a model response given an input GenerateContentRequest.
Generates a response from the model given an input `MessagePrompt``models_generateMessage`	POST	Generates a response from the model given an input MessagePrompt.
Generates a response from the model given an input message`models_generateText`	POST	Generates a response from the model given an input message.
Generates a text embedding vector from the input `Content` using the specified [Gemini`embedContent`	POST	Generates a text embedding vector from the input Content using the specified Gemini Embedding model.
Generates an embedding from the model given an input message`models_embedText`	POST	Generates an embedding from the model given an input message.
Generates multiple embedding vectors from the input `Content` which consists of a batch`batchEmbedContents`	POST	Generates multiple embedding vectors from the input Content which consists of a batch of strings represented as EmbedContentRequest objects.
Generates multiple embeddings from the model given input text in a synchronous call`models_batchEmbedText`	POST	Generates multiple embeddings from the model given input text in a synchronous call.
Gets information about a specific `Model` such as its version number, token limits,`getModel`	GET	Gets information about a specific Model such as its version number, token limits, parameters and other metadata.
Lists the [`Model`s](https://ai.google.dev/gemini-api/docs/models/gemini) available`listModels`	GET	Lists the Models available through the Gemini API.
Performs a prediction request`models_predict`	POST	Performs a prediction request.
Runs a model's tokenizer on a string and returns the token count`models_countMessageTokens`	POST	Runs a model's tokenizer on a string and returns the token count.
Runs a model's tokenizer on a text and returns the token count`models_countTextTokens`	POST	Runs a model's tokenizer on a text and returns the token count.
Runs a model's tokenizer on input `Content` and returns the token count`countTokens`	POST	Runs a model's tokenizer on input Content and returns the token count.
Same as Predict but returns an LRO`models_predictLongRunning`	POST	Same as Predict but returns an LRO.

Models / Operations2

Gets the latest state of a long-running operation`models_operations_get`	GET	Gets the latest state of a long-running operation.
Lists operations that match the specified filter in the request`models_operations_list`	GET	Lists operations that match the specified filter in the request.

Tuned Models10

Creates a tuned model`tunedModels_create`	POST	Creates a tuned model.
Deletes a tuned model`tunedModels_delete`	DELETE	Deletes a tuned model.
Enqueues a batch of `EmbedContent` requests for batch processing`tunedModels_asyncBatchEmbedContent`	POST	Enqueues a batch of EmbedContent requests for batch processing.
Enqueues a batch of `GenerateContent` requests for batch processing`tunedModels_batchGenerateContent`	POST	Enqueues a batch of GenerateContent requests for batch processing.
Generates a model response given an input `GenerateContentRequest``tunedModels_generateContent`	POST	Generates a model response given an input GenerateContentRequest.
Generates a response from the model given an input message`tunedModels_generateText`	POST	Generates a response from the model given an input message.
Gets information about a specific TunedModel`tunedModels_get`	GET	Gets information about a specific TunedModel.
Lists created tuned models`tunedModels_list`	GET	Lists created tuned models.
Transfers ownership of the tuned model`tunedModels_transferOwnership`	POST	Transfers ownership of the tuned model.
Updates a tuned model`tunedModels_patch`	PATCH	Updates a tuned model.

Tuned Models / Operations2

Gets the latest state of a long-running operation`tunedModels_operations_get`	GET	Gets the latest state of a long-running operation.
Lists operations that match the specified filter in the request`tunedModels_operations_list`	GET	Lists operations that match the specified filter in the request.

Tuned Models / Permissions5

Create a permission to a specific resource`tunedModels_permissions_create`	POST	Create a permission to a specific resource.
Deletes the permission`tunedModels_permissions_delete`	DELETE	Deletes the permission.
Gets information about a specific Permission`tunedModels_permissions_get`	GET	Gets information about a specific Permission.
Lists permissions for the specific resource`tunedModels_permissions_list`	GET	Lists permissions for the specific resource.
Updates the permission`tunedModels_permissions_patch`	PATCH	Updates the permission.