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API Reference

/orders/authorize (for Advanced Approvals merchants)

post https://gateway.us.zip.co/orders/authorize

Sandbox (Testing): https://gateway.sand.us.zip.co/orders/authorize

Creates a new checkout context and redirects to the checkout website using details from the request body. Sent from the user's browser via a form POST, will start a checkout session within Zip. It will automatically redirect the user to our Zip checkout. This endpoint contains the additionalData object which is used by Zip-approved merchants that are implementing our Advanced Approvals feature.

Important Notes

Parameters

You need to ensure you provide your Merchant ID, Merchant Reference (the unique ID you use for the order in your system), confirm/cancel URLs, and the order amount. The order amount should include all shipping, tax, and discount charges. You do not need to provide the order ID as that will be generated for you. Passing as much customer information as possible will improve the user experience by pre-filling data fields and improving conversion.

additionalData Object

It is not required to send all the fields below. Even a subset of these fields provide the ability for Advanced Approvals to provide benefit.

Read more about Advanced Approvals here: https://docs.us.zip.co/docs/advanced-approvals.

Responses

Example — "Success: True" Response 

{ 
    “Amount”: 400, 
    “Currency”: “USD”,
    “MerchantId”: “44444444-4444-4444-4444-444444444444”,
    “MerchantReference”: “1234-1”,
    “OrderId”: “0050c1d4-d360-4bc6-9252-de1fb24d379d”, 
   	“Success”: True,
    “Territory”: US,
   	“Test”: False,
   	“Timestamp”: “2022-02-25T15:00:43.8391167Z”
}

Example — "Success: False" Response

  • No callback webhook responses are provided when an order limit exceeds the maximum order limit. For example, if your Zip merchant account has a maximum order limit of $1,500, but a request is made for $2,000, there will be an error message displayed in the Zip checkout flow:

“There was a problem starting your order. Your requested order amount of $2,000.00 was more than [merchant]'s supported maximum order amount of $1,500.00."

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