This event communicates request/response times for the Auth API. The AUTMD parameter must be set to receive this event. This event is sent after every authorization transaction is completed.

  • CodeAUMD
  • Event trigger — Galileo sends an authorization response to the network.
  • Process — This process contains the event trigger:
    • Galileo receives an authorization request from the network.


The data elements (DEs) in the field descriptions may vary by network. All fields are strings. Your field names may vary. Default fields are included in the default webhook template. See Default and optional fields for more information.

Field Default Description
auth_id X

Galileo-generated ID for the authorization request. This ID is unique per subnetwork. Example: "12303090"

auth_in_request_ts X

Time that Galileo received the authorization request from the network. Example: "2023-08-23 05:18:10.032032"

auth_in_response_ts X

Time that the Auth API consumer sent the response to Galileo. Example: "2023-08-23 05:18:12.301843"

auth_out_request_ts X

Time that Galileo sent the Auth API webhook to the API consumer. Example: "2023-08-23 05:18:10.507382"

auth_out_response_ts X

Time that Galileo sent the authorization response to the network. Example: "2023-08-23 05:18:13.102843"

is_auth_api_fallback X

Whether Galileo performed a fallback authorization. Example: "N"


Unique Galileo-generated identifier for this message. Example: "243693"


The four-letter code to identify this event. Example: "AUMD"

network X

See Events Network Codes for possible values. Example: "V"

pmt_ref_no X

Galileo 12-digit payment reference number (PRN) for the account. Example: "155101003022"

timestamp X

Date-time when this event was created in Mountain Standard Time (GMT -0700). Format: YYYY-MM-DD hh:mm:ss MST Example: "2025-01-31 17:20:33 MST"

total_auth_response_time X

Number of milliseconds between auth_in_request_ts and auth_out_response_ts. Example: "3070.811"

type X

The name of this event: "auth_metadata"


# auth_metadata example:
  "auth_id": "12303090",
  "auth_in_request_ts": "2023-08-23 05:18:10.032032",
  "auth_in_response_ts": "2023-08-23 05:18:12.301843",
  "auth_out_request_ts": "2023-08-23 05:18:10.507382",
  "auth_out_response_ts": "2023-08-23 05:18:13.102843",
  "is_auth_api_fallback": "N",
  "msg_event_id": "243693",
  "msg_id": "AUMD",
  "network": "V",
  "pmt_ref_no": "155101003022",
  "timestamp": "2025-01-31 17:20:33 MST",
  "total_auth_response_time": "3070.811",
  "type": "auth_metadata"