3CX CRM integration pricing: what it really costs in 2026

What you actually pay for in a 3CX to CRM integration

Before comparing prices it helps to separate the cost into two buckets, because vendors blur them. The first bucket is the integration itself: the software or service that moves call data, recordings, and events between 3CX and the CRM. The second bucket is everything around it: setup, ongoing maintenance, and the staff time spent operating it. A headline price that only covers the first bucket can hide a much larger second bucket.

There are also two pricing shapes you will meet. One-off pricing charges a fixed setup fee and then little or nothing ongoing, common with consultants who build a custom connection. Metered pricing charges by usage, per call, per event, or per workflow run, and the bill moves with your activity. Each shape suits a different situation, and the trap is comparing a one-off quote against a metered quote as if they were the same number.

The three paths and what they really cost

DIY against the 3CX API

3CX exposes a Call Control API you can build against, and for a shop with in-house developers this looks free. The licence cost is effectively zero on top of 3CX itself. The real cost is engineering: someone has to build the integration, handle authentication and reconnection, map call events to CRM records, and then maintain it every time 3CX or the CRM changes an interface. A build that takes a week to ship can take a day a quarter to keep alive. For most agencies and MSPs that developer time is worth more than any subscription it would replace. We cover what the API can and cannot do in the 3CX Call Control API guide.

General middleware platforms

Generic automation platforms can wire 3CX to a CRM through webhooks and pre-built steps. They are flexible and quick to prototype, but they price per task or per operation, so every call event that crosses the bridge consumes quota. For a low-volume team that is cheap. For a busy contact centre or a multi-site agency pushing thousands of call events a month, the metered bill climbs fast and unpredictably, and you are also responsible for building and maintaining the flow logic yourself.

A purpose-built 3CX connector

A dedicated connector such as Connect Zero for 3CX is built for exactly this job, so the setup is fast and the maintenance is the vendor's problem, not yours. The pricing is designed to stay predictable: a flat monthly base plus light metered usage on calls and workflows, and crucially no per-seat fee. That last point matters more than it sounds, which the next section covers.

The Connect Zero pricing model: flat base plus light metered, no per-seat

Connect Zero for 3CX prices on a flat monthly base with a small metered component on calls and workflow runs. There is no per-seat charge. The reason that design matters is that per-seat pricing punishes the exact thing you want to do, which is put more of your team on the phone. A per-seat model means every new agent raises your bill whether or not they change your call volume. A no-per-seat model means you can grow the team without the integration becoming a line item that fights your headcount.

The metered portion ties cost to actual activity rather than to a guess about your size, so a quiet month costs less and a busy month costs a little more, in proportion. There is a free entry tier for low-volume use so you can prove the value before you pay, and paid usage only kicks in as your real call and workflow volume grows. The result is a bill that tracks your activity instead of your org chart.

Total cost of ownership versus replacing your PBX

The number that reframes the whole pricing conversation is the cost of the alternative. The competing pitch from CRM-bundled phone products is to throw away 3CX and adopt their telephony instead, usually at a per-user, per-month fee. For a team of any size that bundled telephony cost runs into thousands per year, before the migration project, the number porting, and the retraining.

Against that, the cost of keeping 3CX and adding a connector is small. You already own and run 3CX. You add an integration layer for a flat base plus light usage, and you keep every feature, every extension, and every bit of institutional knowledge your team has in the phone system. Over three years the keep-your-PBX path is almost always the cheaper one, and it carries none of the cutover risk. The honest framing of any 3CX to CRM pricing question is this: the integration is the small number, and ripping out the phone system is the big one.

What free and paid tiers cover

A practical note on tiers. A free or entry tier typically covers core call sync, screen pop, and basic logging at low volume, which is enough for a small team or a trial. Paid tiers add higher volume allowances, advanced workflow automation, recordings, and the support and reliability guarantees a production deployment needs. The right way to buy is to start on the free tier, confirm the call data lands in your CRM the way you expect, and only move up when your volume or your automation needs cross the threshold. For the setup itself, see how to integrate 3CX with your CRM and the broader options in 3CX CRM integration in 2026. If you run more than one location, the cost picture has a few extra wrinkles covered in 3CX CRM for multi-location agencies.

Frequently asked questions

About this article

Written by the Connect Zero team, an Australian-built 3CX integration sold by Auswide IT, an Australian MSP integration vendor based in Adelaide. Last updated 29 May 2026.