How to Run an Email Campaign Targeting Y Combinator 2025 Batch Productivity Software Leads in 2026

Quick Answer: You already built your list of Y Combinator 2025 batch productivity software leads using Origami. Now it’s time to send actual emails — and Origami has a built‑in Email sequencer that lets you launch multi‑step campaigns without ever leaving the platform. This guide walks through refining that list, writing a 3‑touch sequence specifically for YC batch founders, and sending it in one connected workflow. No exporting, no syncing, no third‑party tool.

Before we jump into the sequence, make sure you have your list. If you haven’t built it yet, read how to build a list of and Sell to Y Combinator 2025 Batch Productivity Software Leads first — it covers everything from the prompt to enrichment. This post picks up right where that one ends.

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Step 1: Build the List (Already Done? Skip to Step 2)

If you followed the parent guide, you already have a list of 50–200+ YC 2025 batch companies in the productivity space, enriched with founder names, work emails, titles, company bios, and tech stack hints. For the sake of completeness, here’s the single prompt you’d use inside Origami:

"Find all companies from the Y Combinator 2025 batch that are building productivity software. Include founders or decision‑makers, their email addresses, job titles, and company descriptions."

Origami searches the live web, chaining data sources from the YC startup directory, LinkedIn, Crunchbase, and company websites. Seconds later you get a clean table with names like:

• Sarah Chen, Co‑founder & CEO, ZenNotes.ai – AI meeting notes for remote teams
• Marcus Okafor, Founder, FlowState – collaborative project management for agencies
• Jenna Park, CTO, InboxZero – email productivity layer for Gmail

Every contact comes with a verified email (never guess a YC founder’s address again), direct‑dial phone where available, and company details. The free plan gives you 1,000 enrichment credits — no credit card required — so you can build the entire batch of productivity startups without spending a dime.

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Step 2: Refine and Qualify the List for Email

Not every YC productivity startup is your ideal prospect. A raw list of 120 companies will contain a few that don’t fit your product or are simply too early. Before writing a single email, spend 20 minutes scrubbing.

What to Look For

• Stage: Remove ideas that are clearly pre‑MVP. Look for keywords like “launched”, “public beta”, “$X in ARR”, or “used by X teams” in their description. You want companies that have a working product and are actively seeking traction — exactly the time they’ll be open to integrations, distribution deals, or complementary tools.
• Role: If you sell to the person responsible for growth or partnerships, filter for “Co‑founder”, “CEO”, “Head of Growth” (rare at this stage), or “CTO”. Generic “Founder” always stays. Avoid engineers if your pitch is purely commercial.
• Sub‑vertical alignment: The YC batch productivity label is broad. Someone building an AI note‑taker has different needs than a work‑automation platform. Segment your list into clusters: collaboration tools, personal productivity, AI writing, email helpers, time management, no‑code builders. You’ll use these segments to customize the email sequence in the next step.
• Location: While most are in the US, some are distributed. Timezone can influence send timing, but Origami handles that for you later — just note it if you want to batch sends by region.

What “Qualified” Looks Like

A lead is worth contacting when:

1. They sell to a market that overlaps with yours (e.g., they target SMB teams, you offer an integration that makes their product stickier).
2. They have a live product where they could actually evaluate your solution.
3. The founder’s email is included and verified, and their LinkedIn shows they’re active.

Remove anyone whose company description reads like a one‑sentence idea with no backing. In a typical YC batch, that’s about 5–10% of the list. Run a bulk removal inside Origami by checking boxes — the platform doesn’t just store data, it lets you shape and segment directly on the interface.

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Step 3: Create the Email Sequence

Now you have a trimmed, segmented list. You’re about to reach out. You have two options inside Origami:

1. Paste your own templates: Write your 3‑touch sequence elsewhere, paste it into the sequencer for each segment, set delays between emails, and hit launch. This gives you full control over copy.
2. Let the AI agent write it: Tell the agent, “Write a personalized 3‑day email sequence for these YC 2025 batch productivity founders, referencing their company and product,” and Origami will craft a different message for each lead based on profile data. Every email feels custom — company name, product description, founder name all filled in.

Option 2 is frighteningly good for testing different angles quickly, but for this guide we’ll lay out a proven manual sequence you can copy, paste, and adapt. You can always start with this sequence, then later AI‑generate variants for other segments.

The 3‑Touch Sequence for YC Batch Productivity Leads

These messages assume you are offering something that helps them get distribution, increase activation, or integrate with a tool their users already love. Adapt the angle to your own product. The tone is direct, peer‑like, and respects their time. No fake compliments about being “excited” to connect — just a useful offer that might actually move a needle for an early‑stage startup.

Day 1: Initial Cold Email

Subject: your {Company Product} + {Our Integration} Preview text: saw you’re in YC W25 — quick idea

Hi {First Name},

I came across {Company Name} in the YC debut. The {mention a standout feature, e.g., “AI‑powered daily planner for remote teams”} space is heating up.

We built {Your Product} that lets productivity tools like yours add {specific superpower, e.g., “real‑time collaboration”} in a few days — no heavy dev needed. A couple of YC W24 companies already embedded it and saw a 20%+ bump in activation.

Would this be worth 15 minutes to see if the integration fits?

Best, {Your Name}

(Word count: ~75)

Day 3: Follow‑up (Different Angle)

Subject: Re: your {Company Product} + {Our Integration} Preview text: quick addition from my side

Hi {First Name},

Following up quickly. I know you’re likely heads‑down prepping for Demo Day or chasing early users.

One thought: our {embed/API} literally takes a weekend to implement, and we’ve waived fees for YC batch companies until they hit $1M ARR. So it’s zero cost to test if it moves the needle on user stickiness.

Here’s a 2‑minute Loom showing how it worked for a note‑taking app: {link}.

Worth a look?

{Your Name}

(Word count: ~85)

Day 7: Final Breakup Email

Subject: Re: your {Company Product} — last note Preview text: no worries either way

Hi {First Name},

I know the inbox of a YC founder is chaos. Totally understand.

Last thing: If an integration like {Your Product} ever becomes a priority — say, after the batch wraps — feel free to reach out. We keep a reserved spot for YC companies in our partner program and can onboard you in a week.

Otherwise, good luck with the rest of the batch.

Best, {Your Name}

(Word count: ~70)

Why This Sequence Works

• Relevance anchor: Mentioning the batch, the product, and a concrete insight (the feature you noticed) signals you’re not spraying templates from a scraper.
• Specific value & social proof: “20%+ bump in activation” with a YC W24 reference gives credibility without bragging.
• Low friction: A 15‑minute call or a Loom link, not a “partner package”.
• YC‑aware breakup: Acknowledge their reality, don’t guilt them, leave the door open. YC founders talk to each other; you want a “not today, but nice folks” memory.

Customize the placeholders:

• {Company Product}: the thing they make, e.g., “team wiki tool”
• {Our Integration}: your offering, e.g., “real‑time commenting API”
• {mention a standout feature}: something you saw on their website, like “time‑blocking assistant”
• {specific superpower}: the concrete capability they gain

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Step 4: Send the Sequence Directly from Origami

The list is refined. The sequence is written. Now you’ll launch the whole campaign from the same dashboard where you built the list.

No Exports, No Sync Headaches

Inside Origami, open your YC batch list, click Sequences, and create a new sequence. Name it something like “YC W25 – Productivity founders – integration pitch”. Paste or generate your three emails. Set the delay:

• Email 1: send immediately after launch (or schedule for Tuesday at 9 AM prospect time)
• Email 2: send 2 days after Email 1
• Email 3: send 4 days after Email 2 (typical Day 1, Day 3, Day 7 pattern)

You can adjust delays per touch. The sequencer then automatically sends each email at the right time for every lead. You don’t need to connect a separate SMTP, manage mailboxes, or export a CSV to another tool. Everything runs from the same platform.

Sending & Tracking

Once it’s live, you’ll see an activity feed:

• Opens: including device and location, so you know if the founder’s reading on mobile during Demo Day prep.
• Clicks: did they click on your Loom or website link?
• Replies: the moment someone responses, their sequence stops — they’re automatically un‑enrolled. No more risk of sending a breakup email to a lead who just booked a meeting.

While reviewing a contact’s activity, you still see their enriched profile right there: title, company description, tools used, even the original prompt you used to find them. So when a founder replies “sounds interesting, send me more”, you can instantly recall their product context and pick up the thread without digging through a CRM.

What Response Rates to Expect

YC founders are besieged with cold emails the moment the batch is announced. A generic “congrats on the batch” gets ignored. But a highly targeted message referencing their product and offering a specific, low‑risk value lift can pull:

• 15–25% open rate (depending on subject line quality)
• 5–10% reply rate
• 2–4% meeting‑booked rate

Those numbers are achievable because your list is small, curated, and all emails are personalized with the placeholders replaced automatically by Origami using each lead’s data. The built‑in sequencer doesn’t just blast; it enforces the delays and stops on replies, which prevents spam complaints and keeps deliverability high.

When to Iterate on Messaging vs. the List

After the campaign ends (7 days after last email), assess:

• Low open rate (<15%) across the board: Subject lines aren’t working. Go back, test a shorter subject or one that drops the product reference and leads with a pain point (“quick question about {Company} user churn”). Origami lets you duplicate the sequence and A/B test subject lines on a subset of leads.
• High open, low reply: Your offer isn’t sharp enough or the CTA is too fuzzy. Try a more concrete ask like “Worth 15 minutes to see how {Company} can add real‑time co‑editing?” or include a tangible number (e.g., “teams that embed our widget see 22% less user time‑to‑value”).
• Good replies but poor meeting conversion: Your follow‑up game needs work, not the sequence itself. Once a lead replies, Origami pushes them to a manual outreach mode; that’s your cue to pick up the conversation fast.
• No results even with solid opens: The list might be too broad. Re‑segment and remove companies that haven’t launched yet. Or try a different TAM: instead of targeting note‑taking companies, focus only on project‑management YC startups where a collaboration API is useless.

Iterating on messaging is free and fast inside Origami because you’re not juggling tools. The data, the sequence creator, and the send engine share one environment. Every insight you gain from one campaign can immediately refine the next.

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