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Unified Click to Pay
 Integration

This section describes how to integrate and launch
Unified Click to Pay
 on your website and process a transaction for you. For information about the detailed specifications of the APIs described in this section see API Specifications. To integrate
Unified Click to Pay
 into your platform, you must follow these integration steps:
  1. You send a server-to-server API request for a capture context. This request is fully authenticated and returns a JSON Web Token (JWT) that is necessary to invoke the frontend JavaScript library. For information on setting up the server side, see Server-Side Set Up.
  2. You invoke the
    Unified Click to Pay
     JavaScript library using the JWT response from the capture context request. For information on setting up the client side, see Client-Side Set Up.
IMPORTANT
Each request that you send to
Visa Acceptance Solutions
 requires header information. For information about constructing the headers for your request, see the Getting Started with REST Developer Guide.
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