KSeF Price List

Price list for REST KSeF API functionality

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

All prices are net prices, to which VAT must be added.

For your convenience and to provide the greatest possible flexibility, we present 3 different license models. The choice of the most advantageous model is of course up to you:

License for the number of operations performed

Operations 500
per month
PLN200
Allows to perform up to 500 KSeF REST API operation calls
Number of operation calls in a packet
500
Cost of 1 query outside the plan
1.20 PLN
Access to all KSeF REST API operations
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(e-mail)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Operations 2500
per month
PLN830
Allows to perform up to 2500 KSeF REST API operation calls
Number of operation calls in a packet
2 500
Cost of 1 query outside the plan
1.10 PLN
Access to all KSeF REST API operations
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(e-mail)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Operations 5000
per month
PLN1330
Allows to perform up to 5000 KSeF REST API operation calls
Number of operation calls in a packet
5 000
Cost of 1 query outside the plan
1.00 PLN
Access to all KSeF REST API operations
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Operations 10000
per month
PLN1995
Allows to perform up to 10,000 KSeF REST API operation calls
Number of operation calls in a packet
10 000
Cost of 1 query outside the plan
0.90 PLN
Access to all KSeF REST API operations
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Operations Individual
per month
PLNCONTACT
Ask for a quote if you need more than 10k KSeF REST API operation calls
Number of operation calls in a packet
CONTACT
Cost of 1 query outside the plan
CONTACT
Access to all KSeF REST API operations
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
YES
KSeF REST API as a container running locally
YES
Batch sending of e-Invoices
YES
Registration

Business operations whose invocation is charged, i.e. increases the number of queries executed within individual packages:

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

Invoice quantity license

Invoice – sales or purchase (cost) document.

Attention! This type of license allows for a given Client to handle a number of sales or purchase (cost) invoices specified within a given plan. The number defined within the package applies to both sales and purchase invoices. There are no restrictions on the number of operations called.

 

Invoices 5000
per month
PLN2200
Support for up to 5,000 sales and purchase invoices (total)
Number of invoices in the package
up to 5000
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(e-mail)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Invoices 10000
per month
PLN3600
Support for up to 10,000 sales and purchase invoices (total)
Number of invoices in the package
up to 10000
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Invoices 20000
per month
PLN7200
Support for up to 20,000 sales and purchase invoices (total)
Number of invoices in the package
up to 20000
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Invoices Individual
per month
PLNCONTACT
Ask for an offer if you need to handle more than 20k KSeF invoices
Number of invoices in the package
CONTACT
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
YES
KSeF REST API as a container running locally
YES
Batch sending of e-Invoices
YES
Registration

 

License per number of clients

Client – a unique Tax Identification Number for which KSeF invoices are generated, sent or downloaded.

Attention! This type of license allows you to service a number of Clients specified within a given plan. There are no limits to the number of operations called.

 

Customers 25
per month
PLN6250
Service for up to 25 clients within the package
Number of clients in the package
up to 25
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Customers 50
per month
PLN10000
Service for up to 50 clients within the package
Number of clients in the package
up to 50
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Customers 100
per month
PLN17500
Service for up to 100 clients within the package
Number of clients in the package
up to 100
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
NO
KSeF REST API as a container running locally
NO
Batch sending of e-Invoices
NO
Registration
Individual Clients
per month
PLNCONTACT
Ask for a quote if you need to serve more than 100 clients
Number of clients in the package
CONTACT
Access to all libraries and REST API
YES
Access to the KSeF Invoices application
YES
Technical support
YES
(email, phone)
Encryption of transmitted invoices
YES
Queuing e-invoice shipments
YES
KSeF REST API as a container running locally
YES
Batch sending of e-Invoices
YES
Registration