Invoice Workflows

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Invoice workflows usually start with the invoices command group. Use the lower-level online and batch groups only when you need explicit session control. Use --json when commands are part of a script or CI job.

Query metadata

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices metadata \
  --role seller \
  --date-from 2026-01-01T00:00:00Z \
  --date-to 2026-01-31T23:59:59Z \
  --all \
  --json

Useful filters include:

--role
--date-type
--amount-type
--seller-nip
--buyer-nip
--invoice-number
--ksef-number
--form
--attachment yes|no
--self-invoicing yes|no

Download one processed invoice

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices download \
  --ksef-number "$KSEF_NUMBER" \
  --out invoice.xml

Add --wait when the invoice may not be ready yet:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices download \
  --ksef-number "$KSEF_NUMBER" \
  --wait \
  --timeout 120 \
  --poll-interval 2

Schedule and fetch an export

First schedule the export and save its decryption handle:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices export \
  --role seller \
  --date-from 2026-01-01T00:00:00Z \
  --handle-file export-handle.json \
  --json

Check status:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices export-status --reference "$EXPORT_REFERENCE"

Fetch and decrypt the package:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices export-fetch \
  --handle-file export-handle.json \
  --wait \
  --out-dir downloads

For a one-command export/download flow:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices export-download \
  --role seller \
  --date-from 2026-01-01T00:00:00Z \
  --wait \
  --out-dir downloads

Send invoices

By default, invoices send opens an online session, sends the XML file, closes the session, and prints one line per invoice:

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  invoices send invoice.xml

Wait for final processing and download the UPO into a directory:

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  invoices send invoice.xml \
  --wait \
  --upo-dir upos

Save a receipt when you need to check status or download the UPO later:

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  invoices send invoice.xml \
  --receipt invoice-receipt.json

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  invoices status --receipt invoice-receipt.json --wait

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  invoices upo --receipt invoice-receipt.json --out invoice-upo.xml

Send every XML file directly inside a directory:

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  invoices send invoices/ --receipt-dir receipts

Add --recursive to include nested directories. If any file fails in online mode, the command still attempts the remaining files and exits non-zero after printing the per-file results.

Send invoices as a batch

Use --mode batch when the input files should be prepared and submitted as one batch session:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices send invoices/ \
  --mode batch \
  --wait \
  --upo-dir upos \
  --receipt batch-receipt.json

A batch receipt can be reused for status and UPO downloads:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices status --receipt batch-receipt.json --wait

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  invoices upo --receipt batch-receipt.json --upo-dir upos

Advanced session commands

Use the online group when you need to keep an online session open:

uv run ksef2 --env test --nip "$KSEF2_NIP" --test-cert \
  online send invoice-1.xml invoice-2.xml \
  --keep-open \
  --save-state online-state.json

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  online status --state-file online-state.json

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  online close --state-file online-state.json

Use the batch group when you need direct access to batch session state:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  batch submit invoice-1.xml invoice-2.xml \
  --wait \
  --state-file batch-state.json

Check status or list invoices:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  batch status --state-file batch-state.json

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  batch list --state-file batch-state.json --failed

Download a batch UPO page:

uv run ksef2 --nip "$KSEF2_NIP" --token "$KSEF2_TOKEN" \
  batch upo \
  --state-file batch-state.json \
  --upo-reference "$UPO_REFERENCE" \
  --out batch-upo.xml