Merchant API
Developers
API v1 für Checkout, Payments, Refunds, Bulk-Listings und Split Previews. Authentifizierung per Bearer Secret Key aus den Merchant-Einstellungen.
Endpoints
POST/api/v1/checkout/sessionsCheckout Session erstellen
GET/api/v1/checkout/sessionsCheckout Sessions listen
GET/api/v1/paymentsPayments listen
GET/api/v1/payments/{id}Payment laden
POST/api/v1/refundsRefund erstellen
POST/api/v1/products/batchProdukt-Listings importieren (JSON/CSV)
POST/api/v1/splits/previewSplit Quote prüfen
GET/api/v1/insights/merchantImpact, Cashflow & Fraud-Signale
GET/api/v1/settlement-statements/monthlyMonatliches Settlement-PDF
POST/api/webhooks/merchantMerchant Event Webhook
Authentifizierung
Authorization: Bearer sk_live_…
Secret Key aus Dashboard → Einstellungen → API.
Rate Limit & Idempotenz
120 Requests / Minute pro API-Bucket
Idempotency-Key Header für POST-Endpoints
Checkout Sessions merchant-scoped
POST /api/v1/checkout/sessions — 201 Created
{
"order_id": "DE-2204-A37F",
"gross": 8900,
"currency": "EUR",
"rail": "sepa_instant",
"splits": [
{ "to": "brand_atlr_nord", "amount": 4132 },
{ "to": "sup_stoff_gmbh", "amount": 3293 }
]
}