API calls and payment flows

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Login with Zip

Give your shoppers the option to Login to your website using Zip and pay seamlessly.

When using out Login with Zip feature there are a number of use-cases that should be covered, depending on the users current account status on the merchant site:

  • Create account with Zip and checkout
  • Guest user sign in and checkout
  • Existing user sign in and checkout
  • Existing user with previously stored token

Create account with Zip and checkout

This flow will cater for:

  • Obtaining customer details from Zip to create an account on the merchant site
  • Obtaining a re-usable customer token for charging
  • Processing a charge

Guest user sign in and checkout

This flow will cater for:

  • Obtaining customer details from Zip for guest checkout
  • Obtaining a customer token for charging
  • Processing a charge

Existing merchant user sign in and checkout

This flow will cater for:

  • Obtaining customer details from Zip for guest checkout
  • Obtaining a re-usable customer token for charging
  • Processing a charge

Existing user with previously stored token

This flow will cater for:

  • Obtaining a fresh access_token for charging
  • Processing a charge


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Begin your Development

Having understood the various payment flows, take a look at the customer checkout experience when using Login with Zip.