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title: Brite - Play order: Customer, Brite Client, Merchant, Brite _: **1. Display Brite's Assets** (Brite and bank logos) note: Go to [swimlanes for Brite's Assets](https://swimlanes.io/u/TfVopPMotO) _: **2. Merchant authorisation** note: Go to [swimlanes for Merchant Authorisation](https://swimlanes.io/u/knxhtrUHAW) _: **3. Create an Instant Payment session** Merchant -> Brite: Create deposit call `POST /session.create_deposit` ...: {fas-spinner} Render the Brite client and let the customer complete the payment steps. Brite -> Merchant: Notification to `callback[session_state=2].url` Merchant --> Brite: `HTTP 200` note_: Notification about a change in session state with `session_id` Merchant -> Brite: `POST /session.get` with `session_id` from the notification Brite --> Merchant: Response with session details note_: The merchant should store the `customer_id` from this notification, as this is the customer that is meant to authenticate and complete the payment. _: **4. Fetch KYC data** Merchant -> Brite: `POST /kyc.create` with `customer_id` Brite --> Merchant: HTTP 200 Merchant -> Brite: `POST /kyc.get` Brite --> Merchant: HTTP 200 _: **5. Session approval** Merchant -> Merchant: Verify customer note_: **Verficiation of customer** Verify if the customer is eligable to continue the session. You can check the data returned by Brite as part of the kyc.get response. For instance, `firstname` and `lastname`, `dob` or `address.country_id`. if: If you APPROVE the session Merchant -> Brite: `POST /session.approve` ...: {fas-spinner} Customer completes the payment if: Notification with `session_state: 12` (`STATE_COMPLETED`) // Handle the notification Brite -> Merchant: Notification `POST /callback?kyc=true&order_id=ORD-12345-ABC` Merchant --> Brite: Confirm the notification with `HTTP 200` Merchant -> Brite: Fetch session details with `session_id` Brite --> Merchant: Response with session details Merchant -> Merchant: Create customer profile end else: Merchant REJECTS session Merchant -> Brite: `POST /session.reject` note_: If you reject the session, it will immediately display a general message to the customer that they can’t continue the session. The customer has only the option to close the Brite client. Brite --> Merchant: Notification to `callback[session_state=10].url` end