Server-Side Setup {#micro-getting-started-pay-bank-ss-setup}
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This section contains the information you need to set up your server. Initializing `Microform Integration` within your webpage begins with a server-to-server call to the sessions API. This step authenticates your merchant credentials and establishes how the `Microform Integration` front-end components will function. The sessions API request contains parameters that define how `Microform Integration` performs.  
The server-side component provides this information:

* A transaction-specific public key is used by the customer's browser to protect the transaction.
* An authenticated context description package that manages the payment experience on the client side. It includes available payment options such as card networks, payment interface styling, and payment methods.

{#micro-getting-started-pay-bank-ss-setup_d13e30}  
The functions are compiled in a JSON Web Token (JWT) object referred to as the *capture context* . For information about JWTs, see [JSON Web Tokens](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/microform-integ-v2/micro-v2-reference/micro-appendix-jwts.md "").