Custom development

WordPress integration and plugin development. Code that holds when the client grows.

When off-the-shelf plugins are not enough. APIs, data synchronization, custom workflows and automation: built to measure, on a base that stays versionable and documented.

Last updated: 2026-03-03

Outcomes

  • Custom WordPress functionality built around the real scope, not forced out of generic plugin compromises.
  • Integrations with CRM, ERP, PIM and webhooks, so your WordPress site keeps talking to the tools the team already uses.
  • Easier to maintain than a fragile stack of third-party plugin glue.
  • One integration pattern that scales when an agency runs the same API logic across several WordPress sites.
Plugin & Integrations

Where this service fits best

Most WordPress sites eventually hit a wall a standard plugin cannot solve. A CRM that needs two-way sync, a booking system with custom logic, an internal tool that has to talk to WordPress through an API.

That is where custom WordPress integration work starts. Instead of stacking four plugins that each half-solve the problem, I build one focused piece of code. It does what the project needs and nothing more.

The result is a site that stays easier to update, debug and hand over. The integration logic lives in one place instead of spreading across mismatched settings screens.

The approach stays the same across projects: a lightweight custom plugin on WordPress hooks and the REST API where it fits, version-controlled and documented so another developer can pick it up. No logic buried inside a page builder.

Related WordPress case studies

A few projects where this service shaped the technical outcome.

Related WordPress resources

Practical guides for evaluating this part of a WordPress project before delivery starts.

Workflow

Perfect design handoff: a practical guide for teams preparing files for development.

How to prepare Figma or XD files for development, and how the file becomes a WordPress theme: process, formats supported and what you receive.

Read: Workflow

WordPress tools

ACF for WordPress agencies: structuring content clients can actually manage.

How to use Advanced Custom Fields in WordPress agency projects: field types, Repeater, Flexible Content, ACF Blocks and long-term maintainability.

Read: WordPress tools

A WordPress project to start, or one that is stuck?

Send me a few lines. I tell you the same day whether and how I can step in.

Get in touch

Frequently asked questions about Plugin & Integrations

What kind of plugins or integrations do you build?

I work on APIs, data sync, custom logic, forms, technical workflows and the points where a standard plugin setup no longer fits the project.

When is a custom plugin better than adding another addon?

When the project starts accumulating workarounds, unnecessary dependencies or logic that is hard to maintain. In those cases a targeted extension is usually healthier.

Can you fix integrations that are already in place?

Yes. I often step into existing integrations that need consolidation, cleanup or stronger reliability before release or further changes.

How long does a custom WordPress integration take?

It depends on the API and how much data is involved. A straightforward one-way sync can take a few days. A two-way integration with error handling and retries usually takes longer. I scope the timeline after reviewing the API documentation.

Do you work with REST APIs, webhooks and GraphQL?

Yes. Most WordPress integrations I build use the REST API or webhooks, which covers most CRM, ERP and PIM systems. GraphQL comes up less often on the WordPress side, but I can work with it when the external system requires it.

Send me the project.

No formal paperwork. Context, project stage and deadline are enough. I reply within 24 working hours.

Tell me about the project