Sends custom events to Amazon CloudWatch Events so that they can be matched to rules.

Request Syntax

{ "Entries": [ { "Detail": "string", "DetailType": "string", "Resources": [ "string" ], "Source": "string", "Time": number } ] }

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.


The entry that defines an event in your system. You can specify several parameters for the entry such as the source and type of the event, resources associated with the event, and so on.

Type: Array of PutEventsRequestEntry objects

Array Members: Minimum number of 1 item. Maximum number of 10 items.

Required: Yes

Response Syntax

{ "Entries": [ { "ErrorCode": "string", "ErrorMessage": "string", "EventId": "string" } ], "FailedEntryCount": number }

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.


The successfully and unsuccessfully ingested events results. If the ingestion was successful, the entry has the event ID in it. Otherwise, you can use the error code and error message to identify the problem with the entry.

Type: Array of PutEventsResultEntry objects


The number of failed entries.

Type: Integer


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


This exception occurs due to unexpected causes.

HTTP Status Code: 500


Sends two custom events

The following is an example of a PutEvents request and response.

Sample Request

POST / HTTP/1.1 Host: events.<region>.<domain> x-amz-Date: <Date> Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=content-type;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid, Signature=<Signature> User-Agent: <UserAgentString> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Connection: Keep-Alive X-Amz-Target: AWSEvents.PutEvents { "Entries":[ { "Source":"com.mycompany.myapp", "Detail":"{ \"key1\": \"value1\", \"key2\": \"value2\" }", "Resources":[ "resource1", "resource2" ], "DetailType":"myDetailType" }, { "Source":"com.mycompany.myapp", "Detail":"{ \"key1\": \"value3\", \"key2\": \"value4\" }", "Resources":[ "resource1", "resource2" ], "DetailType":"myDetailType" } ] }

Sample Response

HTTP/1.1 200 OK x-amzn-RequestId: <RequestId> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Date: <Date> { "FailedEntryCount": 0, "Entries": [ { "EventId": "11710aed-b79e-4468-a20b-bb3c0c3b4860" }, { "EventId": "d804d26a-88db-4b66-9eaf-9a11c708ae82" } ] }

See Also

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