You already know which campaigns make your phone ring. That's why you use CallRail.
But what happens after the ring?
For a lot of teams, the honest answer is: it depends. Someone answers, jots down a name and a number, and the lead goes… somewhere. A spreadsheet, a sticky note, or someone's memory. The attribution data that told you exactly where that call came from stays behind in Call Tracking, and the sales follow-up starts from zero.
So you end up optimizing for call volume, because call volume is what you can see. Meanwhile, the campaign that drives 10 calls a week beats the campaign that drives three, even when those three turn into your best customers of the quarter.
That's the gap the new CallRail and Close integration closes.
Where the handoff usually breaks
Think about a normal inbound call. Someone clicks a Google ad, lands on your site, and dials. CallRail does its job perfectly: source, campaign, keyword, landing page, recording, transcript. Everything you need to know about where that person came from.
Then a rep picks up. From that point forward, the record of what happened lives entirely in whatever your sales team uses.
If nothing connects those two systems, one of three things happens:
- Somebody retypes it. A rep copies the name and number into the CRM and skips the attribution, because retyping UTM parameters is nobody's idea of a good afternoon.
- Somebody forgets. The call happened, the lead was real, and it never made it into the pipeline at all.
- It syncs, but thin. You get a contact record with a phone number and nothing else. Technically a lead. Practically useless for reporting.
None of these are a people problem. They're a plumbing problem, which is the good news, because plumbing problems are the kind you can actually fix.
We didn't guess at this one
This integration exists because people kept asking for it.
Through several years of Close support conversations, the same request shows up over and over from customers running both tools.
- A franchise consultant setting up three campaigns with three tracking numbers wanted to know whether the number dialed would show up in Close, so they could tell which campaign produced the call.
- A lead-gen operator explained that CallRail knew their lead source, but Close didn't — and since they paid out commission based on that source, the gap was costing them real money.
- More than one person had built a Zapier workaround and hit a wall where it couldn't match a call to an existing lead without creating a duplicate.
For years, the honest answer was "you'll need a workaround." CallRail was hearing the same, which is how our two teams ended up building this.
What is Close?
Since you're reading this on CallRail's site, a short introduction. Close is a CRM built for small and mid-sized sales teams that actually pick up the phone. Close builds calling, SMS, and email directly into the platform (no bolt-on dialer required), and automated workflows handle the follow-up so leads don't slip through the cracks. Most of our customers are teams of two to 20 reps who care a lot about speed to lead and not very much about admin work.
If inbound calls are your best leads, you need two things: proof of which marketing drives those calls, and a system that makes sure every single one gets worked. CallRail handles the first. Close handles the second. The integration ties them together.
What the integration does
Once the two are connected, three things start happening on their own.
1. Every tracked call becomes a lead in Close, with its source attached
When a tracked call comes in through CallRail, the integration creates the lead or contact in Close automatically and passes along the marketing attribution data behind it: the source, the campaign, the details of how that caller found you. No manual entry, no copy-pasting between tabs, no "where did this lead come from again?"
That does two useful things at once. Your rep opens the lead already knowing this person came from a paid search ad about emergency repairs. That changes how the conversation should start. And your marketing data stops being a separate report you check on Fridays. It becomes a field on the record, which means you can segment, filter, and report on it alongside everything else.
2. CallRail's Voice Assist gets a memory
This is the piece I'd point to first if you only have time to look at one thing. The integration lets Voice Assist reference existing customer records in Close. When a returning caller rings in, Voice Assist recognizes them and can greet them by name.
It's a small moment that lands. Nobody enjoys re-explaining who they are and why they're calling. There's a real difference between "Thanks for calling, can I get your name?" and hearing your own name back on a Tuesday afternoon. One feels like a form, while the other feels like a business that knows who you are.
If you're running after-hours coverage or handling overflow with AI, this is the difference between the automation feeling like a stopgap and feeling like part of the team.
3. One place to see which campaigns produce revenue, not just calls
This is the compounding benefit, and it takes a few weeks to show up. Once every call lands in Close with its source attached, your pipeline has attribution baked into it. Which means you can finally answer the questions that used to be guesswork:
- Which source produces leads that actually close?
- What's the average deal size by campaign?
- Which channel has the shortest sales cycle?
- Where is spend generating calls but not customers?
Plenty of tools can tell you which campaign generated the most calls, but very few can tell you which campaign generated the most customers. This integration is what turns the first into the second.
In the 2025 benchmark report, CallRail analyzed 1.1 million conversations and found that Google Business Profile drove 23% of all conversations but only 15% of qualified leads. Google Ads was the mirror image: 37% of conversations, but 47% of qualified leads.
If you're allocating budget on call volume alone, that's the exact shape of the mistake. You're systematically underfunding the channel that's actually producing customers. You can only see the difference if lead quality and lead source live in the same system.
What it looks like in practice
Say you run marketing for a home services company with six people answering phones.
- A homeowner searches for emergency furnace repair at 9 PM, clicks your ad, and calls the tracking number.
- Voice Assist picks up, handles the basics, and books the appointment.
- CallRail captures the call and its attribution — which campaign, which keyword, which landing page.
- Close creates the lead with that attribution attached, before anyone on your team has logged in.
- The next morning a rep opens Close, sees the lead already there and already sourced, and calls to confirm. The job closes for $4,200.
- Three weeks later you're reviewing the quarter, and you can see that emergency-repair search terms produce fewer calls than your brand campaign but close at a higher rate and a bigger ticket.
So you move budget and optimize your campaign.
Who is this for?
We built this integration for teams where the phone is the front door:
- Home services, legal, healthcare, and automotive — industries where the highest-intent leads call instead of filling out a form.
- Agencies. If you manage campaigns for clients who close over the phone, this is how you prove ROI past the call itself. "We drove 340 calls" is a fine report. "We drove 340 calls worth $180K in closed revenue, broken down by campaign" renews the contract.
- Any small sales team drowning in manual data entry. If someone on your team is currently copying caller info into a CRM by hand, this replaces that job entirely.
- Anyone using or considering Voice Assist. Giving the agent access to your customer records is what makes it sound like your business.
How to get started
The integration is live now. If you're a CallRail customer, you can activate it from the integrations page inside your CallRail account. It takes a few minutes and doesn't require developer help.
Here’s a link to the help doc to get that set up today.
If you're not using Close yet, you can try it free for 14 days (no credit card required), and your CallRail data starts flowing in as soon as you connect the two. Watching your own call data arrive with attribution attached tends to be more convincing than any demo we could give you.
Close customers: Save 18% on CallRail Call Tracking
Already use Close? Pair it with CallRail’s Call Tracking to see exactly which campaigns are driving revenue, not just leads. Offer valid for new CallRail customers.
