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The Conversions API (CAPI) sends conversions to Meta server-side, so you capture leads that browser pixels miss — the ones lost to ad blockers, iOS restrictions, and cookie limits. ClientPlug sets it up per client with a single snippet you paste into their site.
The Conversions API is available on the Pro and Enterprise plans. See Plans & pricing.
Unlike ClientPlug’s other integrations, which only read data, the Conversions API sends conversion events to Meta on your behalf for the clients you set it up on. It never edits or spends on campaigns.

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How it works

Each client gets their own Meta pixel configuration and a universal snippet. When a visitor completes an action on the client’s site, the snippet reports the conversion to Meta’s servers with high-quality match data — improving attribution and optimization.

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Set up a client

1

Open Conversions API

Click Conversions API in the sidebar, then Set up next to a client.
2

Enter the pixel details

Paste the client’s Pixel / Dataset ID and a Meta access token. Optionally add a test event code to verify before going live. In-app links walk you through where to find each in Meta Events Manager.
3

Choose what to match on

Pick which customer details the client’s form collects — email, phone, name, ZIP, city, state, country, and more. Signals like IP, user agent, and Meta click/browser IDs (fbc / fbp) are captured automatically.
4

Define the conversion event

Choose a standard Meta event (e.g. Lead, CompleteRegistration, Purchase) or a custom one, and how it fires — on form submit or when a thank-you URL loads. You can add extra URL-based events and a conversion value.
5

Install the snippet

Copy the one-line snippet and add it to the <head> of the client’s site:
<script src="https://app.clientplug.io/api/capi/YOUR_PUBLIC_ID" async></script>
6

Verify, then go live

With a test event code set, submit a test lead — ClientPlug watches for it and confirms events are arriving. When it looks good, click Go live so events count as real conversions.

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Where to paste the snippet

The snippet goes in the site <head> on every page with the form (and the thank-you page for URL events). Common builders:
BuilderWhere
GoHighLevelSites → your funnel/website → Settings → Head Tracking Code
WordPress / ElementorA header-scripts plugin (e.g. WPCode), or Elementor → Site Settings → Custom Code → <head>
WebflowProject Settings → Custom Code → Head Code, then Publish
UnbouncePage → Settings → Javascripts → placement Head
Custom HTMLJust before </head> on every page with the form
Need the details on finding your Dataset ID, access token, or test event code — or setting up a GoHighLevel webhook? The in-app Conversions API → Help pages cover each step.

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Connection status

Each client shows a status on the Conversions API page:
StatusMeaning
Pending setupConfigured, no events received yet
Receiving (test)Test events arriving, not yet counted as real conversions
LiveReal conversions flowing to Meta

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Disconnecting

Click Disconnect on a client to stop sending events and remove their pixel and token configuration. The snippet on their site will stop reporting.