The endpoint to create a payout transaction is POST /Payment/Secupaypayout/me/PayoutWithoutCustomer:

Request
POST /Payment/Secupaypayout/me/PayoutWithoutCustomer HTTP/1.1
Host: connect-testing.secuconnect.com
Authorization: Bearer qb56tjj1bcvo9n2nj4u38k84lo
Content-Type: application/json
Accept: application/json
 
{
"amount": 300,
"currency": "EUR",
"purpose": "Auszahlung für Erlebnis-Bauernhof Musterdorf",
"payout_list": [
{
           "bank_account": {
"owner": "Marie Mustermann",
"iban": "DE37503240001000000524"
},
"recipient": "3",
"purpose": "Auszahlung von Erlebnis-Bauernhof Musterdorf",
"amount": 100
},
{
          "bank_account": {
"owner": "Bernd Beispiel",
"iban": "AT411100000237571500"
},
"recipient": "264748",
"purpose": "Auszahlung von Erlebnis-Bauernhof Musterdorf",
"amount": 200
}
]
}

If everything is fine, the API responds with 200 OK and the details of the newly created payout transaction:

Response
HTTP/1.1 200 OK
Content-Type: application/json
 
{
"status": "pending",
"amount": 300,
"currency": "EUR",
"contract_id": "GCR_92AZNDQX9K6F73HKN46CQES9W0WSOG",
"purpose": "Auszahlung fuer Erlebnis-Bauernhof Musterdorf",
   "payout_list": [
{
"amount": 100,
"purpose": "Auszahlung von Erlebnis-Bauernhof Musterdorf",
           "bank_account": {
"owner": "Marie Mustermann",
"iban": "DE37503240001000000524",
"bic": "FTSBDEFAXXX",
"bankname": "ABN AMRO Bank, Frankfurt Branch"
},
"origin_transaction": null,
"trans_id": 2345678901
},
{
"amount": 200,
"purpose": "Auszahlung von Erlebnis-Bauernhof Musterdorf",
"bank_account": {
"owner": "Bernd Beispiel",
"iban": "AT411100000237571500",
"bic": "BKAUATWWXXX",
"bankname": "UniCredit Bank Austria AG"
},
"origin_transaction": null,
"trans_id": 2345678902
}
],
"purpose": "TA 2345678900",
"trans_id": "2345678900",
    "transfer_account": {
"iban": "DE52906824149239887934",
"bic": "WELADEDDXXX",
"accountnumber": "149239887934",
"bankcode": "30050000",
"account_owner": "secupay AG"
}
}