This example walks you through a customer making a purchase and how the API issues an invoice and other steps.

Transaction Lifecycle

The following graphic details the steps that are completed during the transaction lifecycle:

The steps are mapped to the API requests that you use to integrate with Taxamo:

Step	API Request
Buyer goes to checkout	n/a
Seller uses API request to calculate VAT and store the transaction (in Unconfirmed status).	Calculate Tax Store Transaction
Seller charges customer's card for product and VAT.	n/a
Seller uses API request call to confirm the transaction.	Confirm Transaction
Taxamo charges the seller's card for the VAT.	n/a
Taxamo issues invoice to customer.	n/a

Month-End Integration

During your month-end activities, the following steps are completed. The order of these steps can vary:

Taxamo remits the VAT with the tax authority.
Taxamo charges your credit card £2 for each transaction that month.
You can use the VAT and Fee audit report for reconciliation. For more information, see Audit Report .

If you need further help, contact support at https://www.vertexinc.com/en-gb/support-services/taxamo-customer-support.