I also need to know about the chargeback policy as it relates to suspension of services for getting them.
Are you looking to build one from scratch, or use an existing plugin? We provide and support (typically at no charge) several Worldpay + WooCommerce integrations across several divisions of Worldpay. We likely have a free and 'off the shelf' option you can use for your client. If they haven't completed enrollment, we can help you configure them to run in test mode, to allow you to get the site tested out while the Merchant works with underwriting to complete the boarding process.
Some of the plugins require more care and attention to ensure PCI compliance (such as the web services integration) while others used hosted checkout pages or hosted payment fields to minimize the PCI compliance profile by exclusing the Merchant site from handling (storing, processing or transmitting) the payment fields.
Feel free to message me directly or I would be happy to setup a call with you when convenient to help you navigate whatever Wordpress / Worldpay questions you might have.
Thanks a lot for the assistance you provided me with my payment processor integration issues. It is because you worked so diligently to find out what I needed to do that I am now getting my client to switch to Vantiv Integrated Payments from the Core product. I am looking forward to working with you on this and future projects that I will be embarking on soon.
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