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Custom development

Custom checkout logic & HPOS migration

Checkout rules your business actually has, written against the storage WooCommerce uses now rather than the one it used in 2020.

Describe your automation

Scoped and quoted per project. Fixed quote before any work starts. No hourly billing.

HPOS compatible plugin development means writing order code against WooCommerce’s High-Performance Order Storage — the dedicated order tables that are the default for new stores — rather than the old post-based storage. It matters because the failure is quiet. Code that reads orders through post meta on an HPOS store does not throw an error; it reads whatever happened to be synced last, which can be an order status from an hour ago.

The other half of this work is checkout itself. Most stores accumulate rules that no setting expresses: a minimum order value per country, VAT-number validation before a B2B customer is allowed the zero rate, a shipping method that must disappear for oversized items, a payment method restricted to verified accounts. Written as small, hook-based plugins these are stable. Written as theme edits or snippet-plugin one-liners they break at the next update, usually on a Friday.

Typical build

  • An HPOS compatibility audit of your installed plugins and custom code, listing what reads orders the old way.
  • Migration to High-Performance Order Storage with a rehearsal on staging, a verification pass and a rollback plan.
  • Checkout rules as versioned plugin code using WooCommerce hooks and the Store API — never theme edits.
  • B2B behaviour where you need it: VAT-number validation against VIES, reverse-charge handling, per-customer terms.
  • Order-status and fulfilment logic that behaves the same in wp-admin, the REST API and any integration reading it.

Good fit if…

  • You are still on legacy order storage and are not sure which plugins would break if you switched.
  • Your checkout rules live in your theme’s functions file, or in a snippet nobody wants to touch.
  • You sell to businesses and need VAT validation, reverse charge or per-customer pricing to be right every time.

How it connects to AI visibility

Assistants and Merchant Center both read what your product and checkout data claim — price with tax, shipping cost, availability, who may buy. Rules that live in a theme snippet often apply at checkout but never reach the schema or the feed, so the price an assistant quotes is not the price a buyer is charged. Moving those rules into proper plugin code makes them readable by everything downstream, including the audit’s validation pass.

AI Visibility Audit →

FAQ

Straight answers to the questions store owners ask

How risky is an HPOS migration?

Manageable, if it is rehearsed. We run it on a copy of production first, compare order counts and a sample of records field by field, and keep compatibility mode available so a rollback is a setting rather than a restore.

Will my existing plugins still work?

Most maintained ones declare compatibility already. The audit lists the ones that do not, and for each we say whether to update it, replace it, or wrap it — so you decide with the list in front of you.

Can you customise the block checkout?

Yes. Block checkout is extended through the Store API and its extensibility hooks rather than the old form filters. It is more constrained, deliberately, which is also why it breaks less.

We use a snippets plugin. Is that a problem?

It is a risk rather than a problem: snippets are unversioned, unreviewed and invisible to anyone auditing the site. We usually move what matters into one documented plugin and leave the rest alone.

Custom development

Tell us what should happen automatically.

Describe the job someone does by hand, or the system your store cannot talk to. You will get a reply from the engineer who would build it, within one working day.

Describe your automation