FORMAT: 1A
HOST: https://checkout.qnips.com

# Qnips Checkout API

API zur Zahlungsabwicklung mit Endpunkten für Transaktionen, Zahlungsarten, Webhooks und Statusabfragen.

## Group Transactions

### Create Transaction [POST /transactions]

+ Request (application/json)
    + Attributes
        + amount: `10.00` (number, required)
        + currency: `EUR` (string, required)
        + returnUrl: `https://yourapp.com/return` (string, required)
        + externalReference: `ABC12345` (string)

+ Response 201 (application/json)
    + Attributes
        + transactionId: `tr_001` (string)
        + status: `created` (string)
        + redirectUrl: `https://checkout.qnips.com/pay/tr_001` (string)

---

### Get Transaction [GET /transactions/{transactionId}]

+ Parameters
    + transactionId: `tr_001` (string, required)

+ Response 200 (application/json)
    + Attributes
        + transactionId: `tr_001` (string)
        + status: `paid` (string)
        + amount: `10.00` (number)
        + currency: `EUR` (string)

---

### List All Transactions [GET /transactions]

+ Response 200 (application/json)
    + Attributes (array)
        + (object)
            + transactionId: `tr_001` (string)
            + status: `pending` (string)
            + amount: `15.00` (number)
            + currency: `EUR` (string)

---

## Group Payment Methods

### List Payment Methods [GET /paymentMethods]

+ Response 200 (application/json)
    + Attributes (array)
        + (object)
            + id: `paypal` (string)
            + name: `PayPal` (string)
            + active: true (boolean)

---

## Group Webhooks

### Create Webhook [POST /webhooks]

+ Request (application/json)
    + Attributes
        + url: `https://yourapp.com/webhook` (string)
        + event: `transaction.status.changed` (string)

+ Response 201 (application/json)
    + Attributes
        + id: `wh_001` (string)
        + status: `active` (string)

---

### Delete Webhook [DELETE /webhooks/{webhookId}]

+ Parameters
    + webhookId: `wh_001` (string, required)

+ Response 204

---

## Group Status

### Get Transaction Status [GET /status/{transactionId}]

+ Parameters
    + transactionId: `tr_001` (string, required)

+ Response 200 (application/json)
    + Attributes
        + status: `paid` (string)
        + updatedAt: `2025-04-10T12:00:00Z` (string)