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POST
/
cards
/
child
curl -X POST "https://demo.api.vultlocal.com/api/v1/cards/child" \
  -H "Authorization: Bearer olive_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "parent_subscriber_id": "sub_abc123",
    "card_serial": "OLIV0002",
    "parent_pin": "1234",
    "child_pin": "5678",
    "daily_limit": 5000000,
    "child_first_name": "Jane",
    "child_last_name": "Doe",
    "child_phone_number": "+23276123456"
  }'

{
  "success": true,
  "message": "Child card created successfully",
  "card": {
    "serial": "OLIV0002",
    "type": "CHILD",
    "status": "ACTIVE",
    "parent_serial": "OLIV0001",
    "parent_subscriber_id": "sub_abc123",
    "daily_limit": 5000000,
    "daily_limit_formatted": "50,000.00 SLE",
    "child_name": "Jane Doe",
    "linked_at": "2025-01-15T10:30:00Z"
  }
}
Child cards allow subscribers to delegate limited spending access to dependents or employees.

​
Request

​
Authorization
string
required
Bearer olive_live_xxx or Bearer eyJ... (JWT)

​
Body Parameters

​
parent_subscriber_id
string
required
Parent subscriber UUID
​
card_serial
string
required
Card serial to assign as child (e.g., OLIV0002)
​
parent_pin
string
required
Parent’s 4-digit PIN for authorization
​
child_pin
string
required
New 4-digit PIN for the child card
​
daily_limit
integer
required
Daily spending limit in cents (e.g., 5000000 = 50,000 SLE)
​
child_first_name
string
Child’s first name
​
child_last_name
string
Child’s last name
​
child_phone_number
string
Child’s phone number for notifications
​
effective_date
string
When card becomes active (YYYY-MM-DD)
​
allocated_amount
integer
Initial allocated amount in cents

​
Response

​
success
boolean
Whether creation succeeded
​
message
string
Result message
​
card
object
Child card details

​
Examples

curl -X POST "https://demo.api.vultlocal.com/api/v1/cards/child" \
  -H "Authorization: Bearer olive_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "parent_subscriber_id": "sub_abc123",
    "card_serial": "OLIV0002",
    "parent_pin": "1234",
    "child_pin": "5678",
    "daily_limit": 5000000,
    "child_first_name": "Jane",
    "child_last_name": "Doe",
    "child_phone_number": "+23276123456"
  }'

{
  "success": true,
  "message": "Child card created successfully",
  "card": {
    "serial": "OLIV0002",
    "type": "CHILD",
    "status": "ACTIVE",
    "parent_serial": "OLIV0001",
    "parent_subscriber_id": "sub_abc123",
    "daily_limit": 5000000,
    "daily_limit_formatted": "50,000.00 SLE",
    "child_name": "Jane Doe",
    "linked_at": "2025-01-15T10:30:00Z"
  }
}

​
Child Card Rules

Daily Limits

  • Resets at midnight local time
  • Cannot exceed parent’s balance
  • Can be adjusted by parent

Restrictions

  • Cannot create more child cards
  • Cannot access parent’s PIN
  • Limited to assigned limit

​
Max Child Cards

The number of child cards a subscriber can create is limited:
Subscriber TypeMax Child Cards
Standard4
VIP10
CorporateUnlimited

​
Errors

StatusCodeDescription
400INVALID_PARENT_PINParent PIN incorrect
400MAX_CHILD_CARDSSubscriber limit reached
400CARD_ALREADY_LINKEDCard already in use
401UNAUTHORIZEDInvalid API key
404SUBSCRIBER_NOT_FOUNDParent subscriber not found
404CARD_NOT_FOUNDCard serial not found
500INTERNAL_ERRORServer error

Authorizations

​
Authorization
string
header
required

API Key for third-party integrations (WhatsApp, Smart PAY, VULT). Format: 'Bearer olive_live_xxxxxxxxxxxxx'

Body

application/json

Child card details

​
card_serial
string
required

Supports any alphanumeric: CARD0001, 48290173K, etc.

Example:

"OLIV0002"

​
child_holder_name
string
required
Example:

"Jane Doe"

​
child_pin
string
required
Example:

"5678"

​
child_relationship
string
required
Example:

"daughter"

​
parent_subscriber_id
string
required
Example:

"parent-uuid"

​
pin
string
required
Example:

"1234"

​
allocated_amount
integer

Amount in SLE (will be converted to cents internally)

Example:

200000

​
child_phone_number
string
Example:

"+23276123456"

​
daily_limit
integer

Amount in SLE (will be converted to cents internally)

Example:

25000

​
effective_date
string
Example:

"2025-10-20"

​
monthly_limit
integer

Amount in SLE (will be converted to cents internally)

Example:

250000

Response

Child card created

The response is of type object.