Session history

List the recent API calls made under a session, for debugging and audit.

POST/Common/SessionHistory

Access requires the permission credit_balance

Returns the logged requests for your session in the order they happened. Pass a TargetSessionId to inspect another session your account owns.

Path parameters

None.

Query parameters

None.

Body parameters

Name	Type	Required	Description
`SessionId`	string	Yes	Your session id.
`TargetSessionId`	string	No	Another session to inspect. Defaults to the current one.

Request

curl -X POST https://api.hermeseus.com/api/Common/SessionHistory \
  -H "Content-Type: application/json" \
  -d '{ "SessionId": "8f3c81d2-4a5b-4c6d-9e0f-1a2b3c4d5e6f" }'

const res = await fetch("https://api.hermeseus.com/api/Common/SessionHistory", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ SessionId: "8f3c81d2-4a5b-4c6d-9e0f-1a2b3c4d5e6f" })
});

const data = await res.json();

import requests

res = requests.post(
    "https://api.hermeseus.com/api/Common/SessionHistory",
    json={"SessionId": "8f3c81d2-4a5b-4c6d-9e0f-1a2b3c4d5e6f"},
)

data = res.json()

Response

Field	Type	Description
`Success`	boolean	`true` on success.
`SessionId`	string	The session the history is for.
`RequestCount`	integer	Number of logged requests.
`Requests`	array of object	The calls, oldest first. See below.
`Error`	object	`null` on success.

Requests[] object

Field	Type	Description
`Id`	integer	Log id.
`Endpoint`	string	The path called.
`Method`	string	HTTP method.
`RequestBody`	object	The body sent.
`ResponseBody`	object	The body returned.
`HttpStatus`	integer	HTTP status code.
`Success`	boolean	Whether the call succeeded.
`ErrorId`	string	Error code, when the call failed.
`ResponseTimeMs`	integer	Total response time in milliseconds.
`CreatedAt`	string	ISO 8601 timestamp.

{
  "Success": true,
  "SessionId": "8f3c81d2-4a5b-4c6d-9e0f-1a2b3c4d5e6f",
  "RequestCount": 1,
  "Requests": [
    {
      "Id": 90271,
      "Endpoint": "Air/AirLowFareSearch",
      "Method": "POST",
      "RequestBody": { "AdultCount": 1 },
      "ResponseBody": { "Success": true, "SearchId": 428713 },
      "HttpStatus": 200,
      "Success": true,
      "ErrorId": null,
      "ResponseTimeMs": 842,
      "CreatedAt": "2026-10-15T16:24:49+00:00"
    }
  ],
  "Error": null
}

Errors

Code	Meaning	Fix
`Err0106002`	`SessionId` is missing.	Send your session id.