Download iModel Thumbnail - iModels

REST API Overview

Reference

iModels

Download API definition:

GET https://api.bentley.com/imodels/{id}/thumbnail[?size]

Retrieves a Thumbnail file. Returned Thumbnail will be 'image/png' type.

One may specify either the small or large Thumbnail via the size query parameter. If size is not specified, the small Thumbnail will be returned.

Authentication

Requires Authorization header with valid Bearer token for scope itwin-platform.

For more documentation on authorization and how to get access token visit OAUTH2 Authorization page.

User must have imodels_webview permission assigned at the iModel level. If iModel Role permissions at the iModel level are configured, then user must additionally have at least imodels_webview permission assigned at the iTwin level. If permissions at the iModel level are not configured, then user must have imodels_webview permission assigned at the iTwin level.

Alternatively the user should be an Organization Administrator for the Organization that owns a given iTwin the iModel belongs to.

For more information please refer to Account Administrator documentation section on Access Control API documentation page.

Rate limits

All iTwin Platform API operations have a rate limit. For more documentation on that visit Rate limits and quotas page.

Request

Request parameters

Yes

iModel id

size

Indicate Thumbnail size. Defaults to small if this parameter is not provided.

Request headers

Authorization

Yes

OAuth access token with itwin-platform scope

Yes

Setting to application/vnd.bentley.itwin-platform.v2+json is recommended.

Response

Response 200 OK

Response 401 Unauthorized

This response indicates that request lacks valid authentication credentials. Access token might not been provided, issued by the wrong issuer, does not have required scopes or request headers were malformed.

json

{
    "error": {
        "code": "HeaderNotFound",
        "message": "Header Authorization was not found in the request. Access denied."
    }
}

Response 404 Not Found

Requested iModel is not available.

json

{
    "error": {
        "code": "iModelNotFound",
        "message": "Requested iModel is not available."
    }
}

Response 422 Unprocessable Entity

The 422 (Unprocessable Entity) status code indicates that the request cannot be processed by the server due to a client error (e.g. malformed request syntax)

json

{
    "error": {
        "code": "InvalidiModelsRequest",
        "message": "Cannot get Thumbnail.",
        "details": [{
            "code": "InvalidValue",
            "message": "'invalidSize' is not a valid 'size'. Valid 'size' values are: 'small', 'large'.",
            "target": "size"
        }]
    }
}

Response 429 Too many requests

This response indicates that the user has sent too many requests in a given amount of time.

json

{
    "error": {
        "code": "TooManyRequests",
        "message": "More requests were received than the subscription rate-limit allows."
    }
}

Response headers

retry-after

The number of requests exceeds the rate-limit for the client subscription.

Definitions

image

The binary image file

Error

Contains error information.

code

String

One of a server-defined set of error codes.

message

String

A human-readable representation of the error.

target

String, null

The target of the error.

Error Response

Gives details for an error that occurred while handling the request. Note that clients MUST NOT assume that every failed request will produce an object of this schema, or that all of the properties in the response will be non-null, as the error may have prevented this response from being constructed.

error

Error

Error information.