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I will build ghl custom app development ghl API integration ghl marketplace apps
Julian R.
About this gig
Off-the-shelf GoHighLevel doesn't do everything your agency or business needs and duct-taping Zapier workflows together only gets you so far. I build custom GHL apps and API integrations that connect your CRM to the tools you actually use, and I can take your app all the way to a Marketplace-ready listing if that's the goal.
What you'll get:
- Custom GHL app built from scratch using GHL API v2/OAuth2
- API integration with Stripe, Twilio, Mailgun, Zapier, Make.com, or any REST API
- Custom payment or conversation provider integration
- Webhook setup for real-time data syncing
- Marketplace app packaging and submission support
- Custom field and pipeline data mapping
- Workflow and automation setup
Why choose me?
I work directly in the GHL API v2 / OAuth2 environment (not just legacy webhooks), which means the apps I build are built to last as GHL deprecates older integration methods. Every integration is tested end-to-end before delivery, not just "looks right in a demo."
Message me before ordering with what you're trying to connect or build so we can get started!
Get to know Julian R.
Julian R.
GoHighLevel Specialist
- FromUnited States
- Member sinceJun 2026
Languages
English, Spanish, French, Italian, German
Hi! I'm Julian and I specialize in GoHighLevel CRM development with 5 years of experience helping businesses grow with smart automation. I provide funnel creation, CRM setup, pipeline management, and email and SMS automation. I build organized systems that streamline your leads, automate follow-ups, and improve overall efficiency. My focus is to create powerful workflows that save time, reduce manual work, and help you convert more leads into real customers for consistent business growth.
FAQ
Do you work with GHL API v2 and OAuth2?
Yes. All new builds use v2/OAuth2 since v1 is being phased out by GoHighLevel.
Can you get my app Marketplace-ready?
Yes, I handle the technical requirements for submission (scopes, webhooks, listing assets). Review and approval timelines are set by GoHighLevel, not me.
Do you map custom fields and pipeline stages?
Yes, included in Growth and Agency tiers, available as an add-on for Starter.
What do you need from me to get started?
A quick description of what you're trying to connect or build, plus API access/credentials for the platforms involved.
What if I only need one integration, not a full custom app?
That's exactly what the Starter tier covers. Message me first and I'll confirm it fits before you order.
