KSeF offer (price list).

Price list of REST KSeF API functionality

Attention! The price list is valid from the moment the mandatory KSeF enters into force (February 1, 2026).
Until then, using the KSeF REST API is completely FREE.

All prices are net prices, including VAT.

KSeF 500

for a month

^PLN150

Enables up to 500 calls to KSeF REST API operations

The number of operation calls in the package
500

Cost of 1 query outside the plan
PLN 1.50

Access to all KSeF REST API operations
YES

Technical assistance
YES
(e-mail)

Possibility to encrypt sent invoices
YES

Queuing the sending of e-invoices
NO

KSeF REST API as a locally run container
NO

Batch sending of e-Invoices
NO

Registration

KSeF 2500

for a month

^PLN625

Enables up to 2500 calls to KSeF REST API operations

The number of operation calls in the package
2500

Cost of 1 query outside the plan
PLN 1.40

Access to all KSeF REST API operations
YES

Technical assistance
YES
(e-mail)

Possibility to encrypt sent invoices
YES

Queuing the sending of e-invoices
NO

KSeF REST API as a locally run container
NO

Batch sending of e-Invoices
NO

Registration

KSeF 5000

for a month

^PLN1000

Enables up to 5000 calls to KSeF REST API operations

The number of operation calls in the package
5000

Cost of 1 query outside the plan
PLN 1.30

Access to all KSeF REST API operations
YES

Technical assistance
YES
(email, telephone)

Possibility to encrypt sent invoices
YES

Queuing the sending of e-invoices
NO

KSeF REST API as a locally run container
NO

Batch sending of e-Invoices
NO

Registration

KSeF 10000

for a month

^PLN1500

Enables up to 10,000 calls to KSeF REST API operations

The number of operation calls in the package
10000

Cost of 1 query outside the plan
PLN 1.20

Access to all KSeF REST API operations
YES

Technical assistance
YES
(email, telephone)

Possibility to encrypt sent invoices
YES

Queuing the sending of e-invoices
NO

KSeF REST API as a locally run container
NO

Batch sending of e-Invoices
NO

Registration

KSeF Individual

for a month

^PLNCONTACT

Ask for an offer if you need more than 10k calls to the KSeF REST API operation

The number of operation calls in the package
CONTACT

Cost of 1 query outside the plan
CONTACT

Access to all KSeF REST API operations
YES

Technical assistance
YES
(email, telephone)

Possibility to encrypt sent invoices
YES

Queuing the sending of e-invoices
YES

KSeF REST API as a locally run container
YES

Batch sending of e-Invoices
soon

Registration

Business operations whose invocation is billed, i.e. reduces the number of available queries within individual packages:

1. ksefInvoiceGenerate
2. ksefInvoiceValidate
3. ksefInvoiceSend
4. ksefInvoiceGet
5. ksefInvoiceQueryResult
6. ksefInvoiceVisualize