Request Parameters Response Elements Errors Examples See Also

CreateSpace

Creates a space in a domain.

Use GetSpace to retrieve the space, ListSpaces to enumerate spaces, UpdateSpace to modify it, and DeleteSpace to remove it.

Request Parameters

agentCoreEvaluationRoleArn

The ARN of the IAM role used by AgentCore online evaluation. Must be in the caller's account. Omit if the space does not use AgentCore online evaluation.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Pattern: arn:.+

Required: No

clientToken

Idempotency token for safe retries. Repeated requests with the same token return the original result instead of creating a duplicate.

Type: String

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

Pattern: [!-~]+

Required: No

dataAccessRoleArn

The ARN of the IAM role used for data access. The role must be in the caller's account.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Pattern: arn:.+

Required: Yes

domainId

The ID of the domain to create the space in.

Type: String

Pattern: d-[0-9a-z]{1,25}

Required: Yes

encryptionConfiguration

How to encrypt the space's data at rest. Omit for service owned encryption, which is equivalent to passing encryptionStrategy AWS_OWNED.

Type: EncryptionConfiguration object

Required: No

name

A name that identifies the space. Must be 3-64 characters: lowercase letters, numbers, and hyphens. It must begin and end with a letter or number and cannot contain consecutive hyphens.

Type: String

Length Constraints: Minimum length of 3. Maximum length of 64.

Pattern: [a-z0-9]+(-[a-z0-9]+)*

Required: Yes

tags

The tags to associate with the space.

Type: String to string map

Map Entries: Minimum number of 0 items. Maximum number of 50 items.

Key Length Constraints: Minimum length of 1. Maximum length of 128.

Value Length Constraints: Minimum length of 0. Maximum length of 256.

Required: No

Response Elements

The following element is returned by the service.

space

The details of the created space.

Type: Space object

Errors

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

AccessDeniedException

The caller is not authorized to perform this action.

HTTP Status Code: 403

ConflictException

The operation could not be completed because of a conflict with the current state of the resource.

conflictType: The type of conflict that caused the request to fail. Not always present.
errorCode: The error code associated with the conflict. Not always present.
message: A human-readable description of the conflict.
resourceId: The identifier of the resource that is in conflict. Not always present.
resourceType: The type of the resource that is in conflict. Not always present.

HTTP Status Code: 409

InternalServerException

An unexpected error occurred while processing the request.

errorCode: The error code associated with the internal error.

HTTP Status Code: 500

ResourceNotFoundException

The specified resource does not exist.

errorCode: The error code associated with the failure.
resourceId: The identifier of the resource that could not be found. Not always present.
resourceType: The type of the resource that could not be found. Not always present.

HTTP Status Code: 404

ServiceQuotaExceededException

A service quota was exceeded.

HTTP Status Code: 402

ThrottlingException

The request was throttled due to exceeding the allowed request rate.

retryAfterSeconds: The number of seconds to wait before retrying the request. Not always present.

HTTP Status Code: 429

ValidationException

A parameter is specified incorrectly.

errorCode: The error code associated with the validation failure.

HTTP Status Code: 400

Examples

Create a space

The following example creates a space in a domain and encrypts its data at rest with a customer managed KMS key. The name must be 3-64 characters of lowercase letters, numbers, and hyphens. Payloads are shown as JSON; on the wire they are CBOR-encoded.

Sample Request


{
  "agentCoreEvaluationRoleArn": "arn:aws:iam::123456789012:role/CloudWatchAgentCoreEvaluationRole",
  "clientToken": "3f2a9c1e-7b04-4d8a-9e15-6c2b8d0f4a73",
  "dataAccessRoleArn": "arn:aws:iam::123456789012:role/CloudWatchSpaceDataAccessRole",
  "domainId": "d-1a2b3c4d5e",
  "encryptionConfiguration": {
    "encryptionStrategy": "CUSTOMER_MANAGED",
    "kmsKeyArn": "arn:aws:kms:us-east-1:123456789012:key/1a2b3c4d-5e6f-4a3b-8c9d-0e1f2a3b4c5d"
  },
  "name": "prod-observability",
  "tags": {
    "Team": "observability"
  }
}

Sample Response


{
  "space": {
    "agentCoreEvaluationRoleArn": "arn:aws:iam::123456789012:role/CloudWatchAgentCoreEvaluationRole",
    "createdAt": "2026-09-16T14:22:31Z",
    "dataAccessRoleArn": "arn:aws:iam::123456789012:role/CloudWatchSpaceDataAccessRole",
    "domainArn": "arn:aws:cloudwatch:us-east-1:123456789012:domain/d-1a2b3c4d5e",
    "encryptionConfiguration": {
      "encryptionStrategy": "CUSTOMER_MANAGED",
      "kmsKeyArn": "arn:aws:kms:us-east-1:123456789012:key/1a2b3c4d-5e6f-4a3b-8c9d-0e1f2a3b4c5d"
    },
    "name": "prod-observability",
    "ownerAccountId": "123456789012",
    "region": "us-east-1",
    "spaceArn": "arn:aws:cloudwatch:us-east-1:123456789012:space/a1b2c3d4-5e6f-4a3b-8c9d-0e1f2a3b4c5d",
    "spaceId": "a1b2c3d4-5e6f-4a3b-8c9d-0e1f2a3b4c5d",
    "status": "ACTIVE",
    "updatedAt": "2026-09-16T14:22:31Z"
  }
}