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POST
/
operations
/
{operationId}
/
complete
Complete operation
curl --request POST \
  --url https://api.openfiskal.com/v1/operations/{operationId}/complete \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --header 'If-Match: <if-match>' \
  --header 'X-OpenFiskal-Merchant: <x-openfiskal-merchant>' \
  --data '
{
  "payments": [
    {
      "payment_id": "pay_1001_card",
      "method": "card",
      "amount": "47.50",
      "currency": "EUR",
      "status": "captured",
      "processor": "sumup",
      "card_brand": "visa",
      "processor_reference": "ch_123",
      "processed_at": "2026-02-26T12:05:00.000Z",
      "gift_card_id": "gc_abc123"
    }
  ],
  "completed_at": "2026-02-26T12:05:00.000Z"
}
'
{
  "id": "<string>",
  "merchant_id": "<string>",
  "currency": "EUR",
  "resource_version": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "pretax_amount": "<string>",
  "tax_amount": "<string>",
  "tip_amount": "<string>",
  "total_amount": "<string>",
  "line_items": [
    {
      "id": "<string>",
      "type": "item",
      "title": "<string>",
      "quantity": 123,
      "unit_price": "<string>",
      "total_amount": "<string>",
      "sku_identifier": "TSHIRT-BLUE-M",
      "taxes": [
        {
          "id": "<string>",
          "name": "<string>",
          "rate": "<string>",
          "tax_amount": "<string>"
        }
      ],
      "gift_card_id": "<string>"
    }
  ],
  "payments": [
    {
      "id": "<string>",
      "payment_id": "<string>",
      "method": "<string>",
      "amount": "<string>",
      "currency": "<string>",
      "processor": "<string>",
      "card_brand": "<string>",
      "processor_reference": "<string>",
      "processed_at": "2023-11-07T05:31:56Z",
      "gift_card_id": "<string>"
    }
  ],
  "type": "sale",
  "cart_level_discounts": [
    {
      "id": "<string>",
      "amount": "<string>",
      "description": "<string>"
    }
  ],
  "location_id": "<string>",
  "register_id": "<string>",
  "session_id": "<string>",
  "external_id": "<string>",
  "fiscal_information": {
    "regime": "KassenSichV",
    "document_number": "<string>",
    "document_type": "<string>",
    "tss_serial_number": "<string>",
    "pos_client_serial_number": "<string>",
    "signature_algorithm": "<string>",
    "time_format": "<string>",
    "start_event": {
      "signed_at": "2023-11-07T05:31:56Z"
    },
    "end_event": {
      "signed_at": "2023-11-07T05:31:56Z",
      "transaction_counter": 123,
      "signature": "<string>",
      "public_key": "<string>",
      "process_type": "<string>",
      "process_data": "<string>"
    },
    "verification": {
      "qr_data": "<string>"
    }
  },
  "completed_at": "2023-11-07T05:31:56Z",
  "voided_at": "2023-11-07T05:31:56Z",
  "void_reason": "<string>",
  "note": "<string>"
}

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

​
X-OpenFiskal-Merchant
string
required

Merchant identifier returned by the merchants resource.

​
If-Match
string
required

Latest operation ETag returned by OpenFiskal. Replace it after every successful mutation.

​
Idempotency-Key
string
required

Unique key per endpoint, merchant, and tenant. Retained for at least 24 hours.

Path Parameters

​
operationId
string
required

Body

application/json
​
payments
object[]
required

Payments tendered for this operation

​
completed_at
string

Completion timestamp (ISO 8601), defaults to now

Example:

"2026-02-26T12:05:00.000Z"

Response

Operation completed

​
id
string
required
​
merchant_id
string
required
​
source
enum<string>
required
Available options:
POS,
ONLINE
​
status
enum<string>
required
Available options:
open,
completed,
voided
​
currency
string
required

ISO 4217 currency code.

Example:

"EUR"

​
resource_version
number
required

Current server-issued version for the operation, starting at 1. Returned as ETag header.

​
created_at
string<date-time>
required
​
updated_at
string<date-time>
required
​
pretax_amount
string
required
​
tax_amount
string
required
​
tip_amount
string
required
​
total_amount
string
required
​
line_items
object[]
required
​
payments
object[]
required
​
type
enum<string>
required
Available options:
sale
Example:

"sale"

​
cart_level_discounts
object[]
required

Cart-level (order-level) discounts applied across the SALE. Empty array when none. Surfaced separately from line items so consumers do not need to back-derive from totals.

​
location_id
string | null

Only set for source: POS.

​
register_id
string | null

Only set for source: POS.

​
session_id
string | null

The RegisterSession this Operation is bound to. Set on every POS Operation; null for ONLINE goods-movement (no register, hence no session). On session-event variants this is the session being opened, adjusted, or closed; on goods-movement variants it is the session the operation was rung up during.

​
external_id
string | null

Merchant or POS identifier for the upstream order.

​
fiscal_information
FiscalInformationKassenSichV · object

The Fiskaly signature attached to this Operation, when one exists. Null until the operation has been signed.

​
completed_at
string<date-time> | null
​
voided_at
string<date-time> | null
​
void_reason
string | null
​
note
string | null

Merchant free-text note for the goods-movement event.