Quick answer
Use one call to action per cold email. Two asks turn a quick reply into a decision, and people skip decisions. In a first email, ask about interest ("Is this worth exploring?") rather than asking for a time. Gong's analysis of 304,174 emails found the interest CTA worked best for cold emails, while asking for a specific time worked best once a deal was already open. The popular claim that one CTA lifts replies by 35-42% does not come from Gong, and its real source can't be checked.
What counts as a CTA in a cold email
The CTA is the one thing you want the reader to do after reading, usually the question in your last line. I write cold email campaigns for B2B clients, and every one of them ends with a single question.
Second CTAs sneak in more often than people think:
- A calendar link next to a question.
- "Or just reply with who handles this."
- A P.S. with a case study to "check out".
- "Feel free to visit our website."
Each one competes with the ask you care about.
Why one ask beats two
A cold email gets a few seconds, often on a phone. If the reader has to choose between booking a call, reading a case study and forwarding you to a colleague, they choose nothing. One question is easy to answer. Two are homework.
My rule for a first email is 30 to 40 words, one concrete problem, one concrete offer and one question at the end. If you want the full structure, I break it down in the four line cold email framework.
Which ask to use in the first email
Gong's Labs team looked at 304,174 emails and grouped the asks into three types. A CTA counted as a success when a meeting was booked within 10 days.
| CTA type | Gong's example | Cold email | Open deal |
|---|---|---|---|
| Interest | "Are you interested in learning more about X?" | Best performer (no figure given) | 25% |
| Open-ended | "Do you have time next week to meet?" | No figure given | 32% |
| Specific time | "Are you available to meet on Tuesday at 4pm?" | 15% | 37% |
The pattern makes sense. A stranger doesn't want to commit time to you yet, so you ask whether the topic is worth talking about. Once someone is already in a conversation with you, a specific time is the easiest thing to say yes to.
Two caveats: the study was published in May 2020, and Gong only gives a cold-stage number for the specific-time ask. Source: Gong Labs.
12 cold email CTAs you can copy
First email: ask about interest
- "Is this worth a conversation for [Company]?"
- "Is [problem] something you're working on this quarter?"
- "Worth exploring, or not a priority right now?"
- "Would it help to see how [similar company] handled this?"
First email: offer something useful
- "Want me to send the one-page breakdown?"
- "Should I send over the 20 accounts we found that match your customer profile?"
- "I put together a short teardown of your current outreach. Want it?"
When you're not sure you have the right person
- "Are you the right person for this, or is it someone on your team?"
- "If this sits with someone else at [Company], who should I talk to?"
After they reply
- "Does Tuesday at 14:00 CET work for 20 minutes?"
- "I can do Thursday morning or Friday afternoon. Which suits you?"
- "Shall I send an invite for Tuesday at 10:00?"
Notice the last three. Once there's interest, the specific time is the best ask, which is what Gong's open-deal numbers show too.
CTAs that cost you replies
- "Here's my calendar link, grab any slot." You're asking a stranger to do work and commit time before they care. Save the link for after they say yes.
- "Let me know your thoughts." It isn't a question, so there's nothing to answer.
- "Can we jump on a 30-minute call?" A big ask from someone they've never heard of. Ask about interest first.
- A question plus "or check out our case study". Two asks, and the reader picks neither. Keep the question and send the case study when they reply.
A quick test. Read your email on your phone. If you can find more than one thing the reader could do at the end, cut until there's one.
Where the 35-42% single-CTA stat comes from
You'll find "one clear call to action beats multiple competing ones by 35-42%" in a lot of 2026 cold email guides, often right next to Gong's study. Gong's post doesn't mention the number of CTAs per email at all. It only compares types of ask.
The clearest source I could find is SmartReach's State of Cold Email 2026 report. It states the 35-42% figure, but attributes it to citation 7, "Aggregated outreach copy analyses, 2025 to 2026", and says its benchmark citations are still being finalised. So the number doesn't come from SmartReach's own dataset of 40M+ emails (January to June 2026), and no named study stands behind it. I last checked on 14 October 2026.
The advice still holds. One ask is easier to answer than two. Just don't put the 35-42% in front of a client or a manager as if someone measured it.
How I write the ask
- First email: an interest question or an offer of something useful. Never a calendar link.
- Follow-ups: still one ask, with a new angle or a new piece of value each time. My follow-up templates show how.
- After a positive reply: a specific day and time, with the calendar link as a backup.
- If replies stay low: the ask is rarely the only problem. Check the list and the offer first, as I explain in why your reply rate is low.
Key takeaways
- Put one call to action in a cold email. Calendar links, P.S. lines and "check out our site" all count as extra asks.
- In a first email, ask about interest. Gong found that worked best for cold emails.
- Once someone replies, ask for a specific time. Gong found that worked best in open deals (37%).
- The "35-42% lift from a single CTA" stat isn't from Gong and can't be traced to a named study.
- If replies are low, check the list and the offer before you blame the CTA.
FAQ
How many CTAs should a cold email have?
One. A single question at the end is easy to answer. Two asks make the reader choose, and most people choose to do nothing.
What is the best CTA for a cold email?
In a first email, an interest-based question such as "Is this worth exploring?". Gong's study of 304,174 emails found that type performed best at the cold stage. Ask for a specific time once the prospect has replied.
Should I put a calendar link in a cold email?
Not in the first email. It asks a stranger to commit time before they're interested. Send it after they say yes, next to a specific time you suggest.
Is the 35-42% single-CTA stat real?
It can't be checked. It isn't in Gong's study. The clearest source, SmartReach's State of Cold Email 2026, attributes it to "aggregated outreach copy analyses" with no named study. The advice to use one CTA is still sound.
What is a soft CTA in cold email?
A low-pressure question that's easy to answer without committing to a meeting, like "Is this on your radar this quarter?" or "Want me to send the breakdown?". It's the interest-type ask that works best in first emails.