OAuth scope: terminal.write
Initiates an async payment on a specific terminal. The terminal must be powered on and connected to the internet.
The response is 202 Accepted — the payment has been queued but not yet processed.
Precondition: The terminal must be powered on and connected to the internet. If offline, the request is accepted but no payment will be processed. Implement a client-side timeout (~120 seconds) to handle this case.
Idempotency: The X-Qonto-Idempotency-Key header is required. Use it to safely retry requests without creating duplicate payments.
Metadata: The optional metadata field lets you attach free-form context to the payment. It must be a valid JSON object and must not exceed 1kB. It is stored as-is and echoed back in the 202 response. Use it to cross-reference the payment with your own system — for example, an order ID, table number, or any other POS-specific data. The content is not interpreted by Qonto.
Bearer authorization header: Bearer <token>, where <token> is the access token received from the authorization server at the end of the OAuth 2.0 flow.
Learn more in Idempotent Requests.
"123e4567-e89b-12d3-a456-426614174000"
Required only for Sandbox API requests; to get one, please sign up to the Developer Portal.
Terminal UUID (from GET /v2/terminals).
Optional free-form JSON object. Must be a valid JSON object and must not exceed 1kB. Stored as-is and echoed back in the 202 response.
Use it to cross-reference the payment with your own system — for example an order ID, table number, or any other POS-specific data. The content is not interpreted by Qonto.
{
"order_id": "order-456",
"table": "12",
"source": "pos_vendor_identifier"
}The payment has been accepted and is being processed asynchronously.