Logging AWS Marketplace Discovery API calls with AWS CloudTrail

The AWS Marketplace Discovery API is integrated with AWS CloudTrail, a service that provides a record of actions taken by a user, role, or an AWS service. CloudTrail captures all Discovery API calls as events, including calls from the AWS SDK and the AWS CLI.

Discovery API information in CloudTrail

CloudTrail is enabled on your AWS account when you create the account. When activity occurs in the Discovery API, that activity is recorded in a CloudTrail event along with other AWS service events in Event history.

All Discovery API actions are logged by CloudTrail. The following operations generate entries in CloudTrail log files:

The event source for Discovery API events is discovery-marketplace.amazonaws.com.

Example Discovery API log entry

The following example shows a CloudTrail log entry that demonstrates the GetListing action.

{
    "eventVersion": "1.08",
    "userIdentity": {
        "type": "IAMUser",
        "principalId": "EXAMPLE",
        "arn": "arn:aws:iam::123456789012:user/ExampleUser",
        "accountId": "123456789012",
        "accessKeyId": "EXAMPLE",
        "userName": "ExampleUser"
    },
    "eventTime": "2026-04-01T15:30:00Z",
    "eventSource": "discovery-marketplace.amazonaws.com",
    "eventName": "GetListing",
    "awsRegion": "us-east-1",
    "sourceIPAddress": "203.0.113.50",
    "userAgent": "aws-sdk-python/1.34.0 Python/3.12.0",
    "requestParameters": {
        "listingId": "listing-saas-abc123"
    },
    "responseElements": null,
    "requestID": "a1b2c3d4-5678-90ab-cdef-EXAMPLE11111",
    "eventID": "a1b2c3d4-5678-90ab-cdef-EXAMPLE22222",
    "readOnly": true,
    "eventType": "AwsApiCall",
    "managementEvent": true,
    "recipientAccountId": "123456789012",
    "eventCategory": "Management"
}