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POST
/
api
/
v2
/
savings
/
withdrawal
Create withdrawal
curl --request POST \
  --url https://sandbox.killb.app/api/v2/savings/withdrawal \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "source": {
    "savingsAccountId": "e8d74b2f-86df-43b0-a9d9-72055a6b0432"
  },
  "destination": {
    "savingsAccountId": "e8d74b2f-86df-43b0-a9d9-72055a6b0432",
    "externalAccountId": "e8d74b2f-86df-43b0-a9d9-72055a6b0432"
  },
  "amount": 100,
  "comment": "Monthly withdrawal"
}
'
{
  "id": "e8d74b2f-86df-43b0-a9d9-72055a6b0432",
  "status": "CREATED",
  "amount": 100,
  "userId": "e8d74b2f-86df-43b0-a9d9-72055a6b0432",
  "type": "WITHDRAWAL",
  "source": {
    "currency": "USD",
    "custodialAccountId": "e8d74b2f-86df-43b0-a9d9-72055a6b0432"
  },
  "destination": null,
  "createdAt": "2026-04-23T00:38:08.439Z",
  "updatedAt": "2026-04-23T00:38:08.439Z"
}

Authorizations

​
Authorization
string
header
required

The access token received from the authorization server in the OAuth 2.0 flow.

Body

application/json
​
source
object
required
​
destination
object
required
​
amount
number
required
Example:

100

​
comment
string
required
Example:

"Monthly withdrawal"

Response

​
id
string<uuid>
required
Example:

"e8d74b2f-86df-43b0-a9d9-72055a6b0432"

​
status
enum<string>
required
Available options:
CREATED,
PENDING,
PROCESSING,
CONFIRMED,
REFUNDED,
COMPLETED,
CANCELED,
EXPIRED,
FAILED,
ERROR,
REJECTED
Example:

"CREATED"

​
amount
number
required
Example:

100

​
userId
string<uuid>
required
Example:

"e8d74b2f-86df-43b0-a9d9-72055a6b0432"

​
type
enum<string>
required
Available options:
DEPOSIT,
WITHDRAWAL
Example:

"WITHDRAWAL"

​
source
object
required
​
destination
object
required
Example:

null

​
createdAt
string<date-time>
required
Example:

"2026-04-23T00:38:08.439Z"

​
updatedAt
string<date-time>
required
Example:

"2026-04-23T00:38:08.439Z"