Method: projects.images.asyncBatchAnnotate

Run asynchronous image detection and annotation for a list of images.

Progress and results can be retrieved through the google.longrunning.Operations interface. Operation.metadata contains OperationMetadata (metadata). Operation.response contains AsyncBatchAnnotateImagesResponse (results).

This service will write image annotation outputs to json files in customer Google Cloud Storage bucket, each json file containing BatchAnnotateImagesResponse proto.

HTTP request


The URL uses gRPC Transcoding syntax.

Path parameters



Optional. Target project and location to make a call.

Format: projects/{project-id}/locations/{location-id}.

If no parent is specified, a region will be chosen automatically.

Supported location-ids: us: USA country only, eu: The European Union.

Example: projects/project-A/locations/eu.

Request body

The request body contains data with the following structure:

JSON representation
  "requests": [
      object (AnnotateImageRequest)
  "outputConfig": {
    object (OutputConfig)

object (AnnotateImageRequest)

Required. Individual image annotation requests for this batch.


object (OutputConfig)

Required. The desired output location and metadata (e.g. format).

Response body

If successful, the response body contains an instance of Operation.

Authorization Scopes

Requires one of the following OAuth scopes:


For more information, see the Authentication Overview.