# Technical documentation #### Server to server integration This chapter provides technical information about the integration with IBAN Management Service using REST API integration model. @swagger="[https://iban-management.upaid.pl/doc/server.yaml](https://iban-management.upaid.pl/doc/server.yaml)" ##### How to generate CSR file To generate CSR file follow below instruction. The file must be sent to Verestro - we will sign it and return a valid certificate in a response.
**An example completed certificate fields**
`Common Name (CN) - V-Companyname-ApplicationName`
`Organization (O) - Company name`
`Organizational Unit (OU) - free text`
`City/Locality (L) - free text`
`State/County/Region (S) - free text`
`Country (C) - Two-letter country code where organization is located.`
`Email Address - Email in case of forced renewal of the change`
**Example CSR generation command:** `openssl req -new -newkey rsa:4096 -keyout client.key -out client.csr -nodes -subj '/CN=V-SomeCompany-OurApplication /O=SomeCompany /OU=Business /L=Lublin /S=Lubelskie /C=PL /Email Address=example@user.com'` #### Mobile to server integration This chapter provides technical information about the integration with IBAN Management Service using Mobile SDK integration model. @swagger="https://iban-management.upaidtest.pl/swagger-ui/index.html?urls.primaryName=mobile"

There is a temporary issue with rendering mobile [technical documentation](https://iban-management.upaidtest.pl/swagger-ui/index.html). To view the technical documentation, please follow [this link.](https://iban-management.upaidtest.pl/swagger-ui/index.html)