Successful response

If there are no errors, Object Storage returns HTTP code 2xx. The response code and body depend on the request and are given in the request descriptions.

Error response

In case of an error, Object Storage returns a message with the appropriate HTTP code and its additional description in XML format.

<?xml version="1.0" encoding="UTF-8"?>
  <Message>The resource you requested does not exist</Message>
Tag Description
Code Error code.

A list of codes is given below.
Message Error description in English.
RequestId ID of the request that caused the error.

Equal to the value of the x-amz-request-id header.
Resource The bucket or object the error occurred with.

Error codes

HTTP Error code Description
301 PermanentRedirect The specified bucket should always be accessed using the address returned in the response.
307 Redirect The specified bucket should temporarily be accessed using the address returned in the response.
307 TemporaryRedirect Redirect while the DNS is being updated.
400 BadDigest The hash passed in the Content-MD5 header does not match the one calculated on the Object Storage side.
400 CredentialsNotSupported Credentials are not supported.
400 EntityTooSmall The size of an uploaded object is smaller than the minimum allowed.
400 EntityTooLarge The size of an uploaded object is greater than the maximum allowed.
400 ExpiredToken The provided token has expired.
400 IncompleteBody The size of the sent data is smaller than the size indicated in the Content-Length header.
400 IncorrectNumberOfFilesInPostRequest The POST method requires that only one file is sent.
400 InlineDataTooLarge Request data exceeds the maximum allowed size.
400 InvalidDigest The hash passed in the Content-MD5 header is not valid.
400 InvalidArgument Invalid argument.
400 InvalidBucketName Unacceptable name of the bucket.
400 InvalidPart One or more parts of multipart upload not found. Check whether the list is correct. The missing parts may not have been uploaded.
400 InvalidPartOrder The list of multipart upload parts is incorrect. The parts must be sorted by number in ascending order.
400 InvalidRequest Use AWS4-HMAC-SHA256.
400 InvalidRequest Attempt to exceed the maximum bucket size.

Error description in the response: "You have attempted to exceed the max size configured for the bucket."
400 InvalidStorageClass Invalid storage class.
400 InvalidTargetBucketForLogging The bucket does not exist, or you are not the owner of the bucket, or the log delivery group does not have sufficient permissions.
400 InvalidToken The token is malformed or otherwise invalid.
400 InvalidURI Failed to parse the passed URI.
400 KeyTooLongError The key is too long.
400 MalformedACLError The provided XML document is malformed or does not conform to the schema.
400 MalformedPOSTRequest The body of the request does not match the multipart/form-data format.
400 MalformedXML The provided XML document is malformed or does not conform to the schema.
400 MaxMessageLengthExceeded The maximum allowed request length is exceeded.
400 MaxPostPreDataLengthExceededError The HTTP message header has exceeded the allowed length.
400 MetadataTooLarge The metadata headers exceeded the allowed size.
400 MissingRequestBodyError The request body is empty.

Occurs when sending an empty XML document.
400 MissingSecurityHeader The required header is missing.
400 NoLoggingStatusForKey There is no logging status for the key.
400 RequestIsNotMultiPartContent The request must contain data of the multipart/form-data type.
400 RequestTimeout Read/write timeout.
400 TokenRefreshRequired Refresh your token.
400 TooManyBuckets Exceeded the bucket number limit.
400 UnexpectedContent The request must not contain this content.
400 UnresolvableGrantByEmailAddress The email address you provided does not match any recorded account.
400 UserKeyMustBeSpecified The request must contain the header specified in the error description.
403 AccessDenied Access is denied.
403 AccountProblem There is a problem with the account that prevents the operation from completing successfully.

Contact the Yandex.Cloud support service.
403 InvalidAccessKeyId Unknown key.
403 InvalidObjectState The request cannot be executed for the current state of the object.
403 InvalidPayer Access to the object is blocked.
403 InvalidSecurity The provided secret keys are not valid.
403 NotSignedUp Use of Object Storage is not allowed for this account.
403 RequestTimeTooSkewed The request sending time is too different from the server time.
403 SignatureDoesNotMatch The provided request signature does not match the one calculated by Object Storage.
404 NoSuchBucket The specified bucket does not exist.
404 NoSuchKey The specified key does not exist.
404 NoSuchUpload The specified multipart upload does not exist.

This error occurs in the following cases:
- Invalid upload ID is specified.
- Upload is aborted.
- Upload is complete.
405 MethodNotAllowed The HTTP method is not allowed for the specified resource.
409 BucketAlreadyExists A bucket with the same name already exists. Choose a different name.
409 BucketNotEmpty The bucket you are trying to delete is not empty.
409 InvalidBucketState The request cannot be executed for the current state of the bucket.
409 OperationAborted Conflicting conditional operations.
411 MissingContentLength Add Content-Length to the headers.
412 Precondition Failed One of the conditions specified in the request is not met.
416 InvalidRange Invalid range in the Range header.
429 TooManyRequests Too many requests to Object Storage. Reduce the requesting frequency.
500 InternalError Object Storage internal error. Repeat the request.
501 NotImplemented The passed header is not handled by Object Storage.
503 ServiceUnavailable Object Storage is not available.
Reduce your request rate.
503 SlowDown Reduce your request rate.