Skip to main content
WEBHOOK
ACCOUNT_LOW_BALANCE
{
  "event":       "ACCOUNT_LOW_BALANCE",
  "eventId":     "evt_01HXY123456ABCDEF",
  "businessId":  "BUS1A2B3C4D5E6F",
  "environment": "LIVE",
  "timestamp":   "2026-05-22T14:00:00Z",
  "data": {
    "balance":    2500.00,
    "threshold":  5000.00,
    "timestamp":  "2026-05-22T14:00:00Z"
  }
}

{}
Fires when a card funding operation causes the program ledger balance to fall below the lowBalanceThreshold configured for the program. Configure the threshold in the portal under Programs → Settings.

​
Event Type

ACCOUNT_LOW_BALANCE

​
Payload

{
  "event":       "ACCOUNT_LOW_BALANCE",
  "eventId":     "evt_01HXY123456ABCDEF",
  "businessId":  "BUS1A2B3C4D5E6F",
  "environment": "LIVE",
  "timestamp":   "2026-05-22T14:00:00Z",
  "data": {
    "balance":    2500.00,
    "threshold":  5000.00,
    "timestamp":  "2026-05-22T14:00:00Z"
  }
}

​
Payload Fields

FieldTypeDescription
balancenumberCurrent program ledger balance in dollars
thresholdnumberThe configured low-balance threshold in dollars
timestampstringISO 8601 timestamp
For the full event group documentation see Account Events. 
{
  "event":       "ACCOUNT_LOW_BALANCE",
  "eventId":     "evt_01HXY123456ABCDEF",
  "businessId":  "BUS1A2B3C4D5E6F",
  "environment": "LIVE",
  "timestamp":   "2026-05-22T14:00:00Z",
  "data": {
    "balance":    2500.00,
    "threshold":  5000.00,
    "timestamp":  "2026-05-22T14:00:00Z"
  }
}

{}

Authorizations

​
Authorization
string
header
required

API key from the FYATU CaaS portal. Pass as Authorization: Bearer <key>.

Body

application/json
​
event
string
Example:

"ACCOUNT_LOW_BALANCE"

​
eventId
string
​
businessId
string
​
environment
enum<string>
Available options:
LIVE,
SANDBOX
​
timestamp
string<date-time>
​
data
object

Response

200

Acknowledge the event.