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CreateEndpoint - Amazon Comprehend API Reference
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CreateEndpoint

Creates a model-specific endpoint for synchronous inference for a previously trained custom model For information about endpoints, see Managing endpoints.

Request Syntax

{ "ClientRequestToken": "string", "DataAccessRoleArn": "string", "DesiredInferenceUnits": number, "EndpointName": "string", "FlywheelArn": "string", "ModelArn": "string", "Tags": [ { "Key": "string", "Value": "string" } ] }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

ClientRequestToken

An idempotency token provided by the customer. If this token matches a previous endpoint creation request, Amazon Comprehend will not return a ResourceInUseException.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 64.

Pattern: ^[a-zA-Z0-9-]+$

Required: No

DataAccessRoleArn

The Amazon Resource Name (ARN) of the IAM role that grants Amazon Comprehend read access to trained custom models encrypted with a customer managed key (ModelKmsKeyId).

Type: String

Length Constraints: Minimum length of 20. Maximum length of 2048.

Pattern: arn:aws(-[^:]+)?:iam::[0-9]{12}:role/.+

Required: No

DesiredInferenceUnits

The desired number of inference units to be used by the model using this endpoint. Each inference unit represents of a throughput of 100 characters per second.

Type: Integer

Valid Range: Minimum value of 1.

Required: Yes

EndpointName

This is the descriptive suffix that becomes part of the EndpointArn used for all subsequent requests to this resource.

Type: String

Length Constraints: Maximum length of 40.

Pattern: ^[a-zA-Z0-9](-*[a-zA-Z0-9])*$

Required: Yes

FlywheelArn

The Amazon Resource Number (ARN) of the flywheel to which the endpoint will be attached.

Type: String

Length Constraints: Maximum length of 256.

Pattern: arn:aws(-[^:]+)?:comprehend:[a-zA-Z0-9-]*:[0-9]{12}:flywheel/[a-zA-Z0-9](-*[a-zA-Z0-9])*

Required: No

ModelArn

The Amazon Resource Number (ARN) of the model to which the endpoint will be attached.

Type: String

Length Constraints: Maximum length of 256.

Pattern: arn:aws(-[^:]+)?:comprehend:[a-zA-Z0-9-]*:[0-9]{12}:(document-classifier|entity-recognizer)/[a-zA-Z0-9](-*[a-zA-Z0-9])*(/version/[a-zA-Z0-9](-*[a-zA-Z0-9])*)?

Required: No

Tags

Tags to associate with the endpoint. A tag is a key-value pair that adds metadata to the endpoint. For example, a tag with "Sales" as the key might be added to an endpoint to indicate its use by the sales department.

Type: Array of Tag objects

Required: No

Response Syntax

{ "EndpointArn": "string", "ModelArn": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

EndpointArn

The Amazon Resource Number (ARN) of the endpoint being created.

Type: String

Length Constraints: Maximum length of 256.

Pattern: arn:aws(-[^:]+)?:comprehend:[a-zA-Z0-9-]*:[0-9]{12}:(document-classifier-endpoint|entity-recognizer-endpoint)/[a-zA-Z0-9](-*[a-zA-Z0-9])*

ModelArn

The Amazon Resource Number (ARN) of the model to which the endpoint is attached.

Type: String

Length Constraints: Maximum length of 256.

Pattern: arn:aws(-[^:]+)?:comprehend:[a-zA-Z0-9-]*:[0-9]{12}:(document-classifier|entity-recognizer)/[a-zA-Z0-9](-*[a-zA-Z0-9])*(/version/[a-zA-Z0-9](-*[a-zA-Z0-9])*)?

Errors

For information about the errors that are common to all actions, see Common Errors.

InternalServerException

An internal server error occurred. Retry your request.

HTTP Status Code: 500

InvalidRequestException

The request is invalid.

HTTP Status Code: 400

ResourceInUseException

The specified resource name is already in use. Use a different name and try your request again.

HTTP Status Code: 400

ResourceLimitExceededException

The maximum number of resources per account has been exceeded. Review the resources, and then try your request again.

HTTP Status Code: 400

ResourceNotFoundException

The specified resource ARN was not found. Check the ARN and try your request again.

HTTP Status Code: 400

ResourceUnavailableException

The specified resource is not available. Check the resource and try your request again.

HTTP Status Code: 400

TooManyRequestsException

The number of requests exceeds the limit. Resubmit your request later.

HTTP Status Code: 400

TooManyTagsException

The request contains more tags than can be associated with a resource (50 tags per resource). The maximum number of tags includes both existing tags and those included in your current request.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

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CreateEntityRecognizer

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CreateDocumentClassifier
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