AI SDR for cold email · works 24/7
Your AI SDR works 24/7. It books the meeting.
FirstSales scrapes the web to find your leads, then writes, personalizes, sends, and follows up around the clock, and books the meeting straight to your calendar. It warms up and cleans as it goes, so 87% lands in the primary inbox, not spam.
- Finds your leads by scraping the web, no list to upload
- Writes & personalizes every email, then follows up automatically
- Books meetings to your calendar, around the clock
- Lands in the primary inbox, 87%, not spam
$1 for 3 days · Cancel anytime · 87% inbox placement
The Hidden Problem
Most AI SDRs are just spam machines
Any AI can write a thousand cold emails before lunch. None of it books a meeting if it lands in spam. The hard part was never writing, it's reaching a human. That's the part every other AI SDR skips.
Your AI SDR Is Filling Spam Folders
It fires off 100 perfectly-written emails. You refresh obsessively. 15 opens. Maybe 2 replies if you're lucky. The other 83 vanished into spam folders you'll never see, and torched your domain on the way out.
Smart Warm-Up + List Cleaning = Protected Domain
1 in 5 cold emails land in spam (Mailshake 2025 Report). Smart warm-up gradually builds trust with inbox providers over 21 days. Automatic list cleaning removes invalid emails, spam traps, and dead accounts before they crater your reputation.
87% Inbox Placement vs. Industry 60-70%
Real-time monitoring shows exactly where your emails land, updated hourly. Catch problems within 2 hours, not 2 weeks. Multi-inbox rotation protects you when one account goes down. Your campaigns keep running with zero interruption.
How It Works
Your AI SDR, live in 8 minutes
Connect your inbox, let it warm up, then let your AI SDR find leads, write, send, follow up, and book the meeting, around the clock. No IT team, no complexity, just a pipeline that runs itself.
Connect Your Email
We configure SPF, DKIM, DMARC automatically. No IT team needed. Just connect your domain and we handle the technical setup.
One-click connection Connect Gmail, Outlook, or any email provider in seconds.
Auto-configure authentication SPF, DKIM, DMARC set up automatically for maximum deliverability.
Instant verification Your domain is verified and ready to send within minutes.
Monitor & Warm Up
Smart warm-up builds trust with inbox providers. Watch your reputation grow day by day with real-time monitoring.
Days 1-7: Foundation building Start with low volume to establish initial domain trust.
Days 8-14: Reputation scaling Gradually increase sending as your sender score improves.
Days 15-21: Full capacity Unlock full sending power with established domain reputation.
It Finds Leads, Writes & Books
Your AI SDR scrapes the web to build your lead list, drafts and personalizes every email, sends it, follows up, and books the meeting straight to your calendar. 87% lands in primary inboxes, not spam. You wake up to booked calls, not bounce reports.
Finds your leads by scraping the web Builds your target list automatically. No spreadsheets, no manual prospecting.
AI writes & personalizes every email Each message tailored to the prospect, no copy-paste templates.
Automatic follow-ups until they reply It keeps the sequence going so warm prospects never slip through.
Books meetings to your calendar Offers slots, confirms the time, and lands 87% in primary inboxes.
Success Stories
Trusted by Sales Teams Worldwide
See how teams are transforming their email outreach and closing more deals with Firstsales.io
If you are looking to fix your sales pipeline, you should definitely try. @iuditg is the OG in cold emailing, and the product they have built- is futuristic and screams a deep understanding of email marketing. + My open rate has increased drastically, + The UI and UX are easy to understand, even for a beginner like me.
THE DELIVERABILITY ENGINE
The deliverability engine behind your AI SDR
Any AI can write emails. Smart warm-up, automatic list cleaning, and live deliverability monitoring are what get them past the spam folder and in front of a human, the part every other AI SDR skips.
21-Day Warm-Up That Actually Works
Our proprietary warm-up mimics genuine human behavior across Gmail, Outlook, and every major provider. Turn cold domains into trusted senders automatically.
Days 1-7: Small volume, positive engagement Start with 10-30 emails daily to build initial trust.
Days 8-14: Gradual increases, reputation monitoring Scale to 50-100 daily as your sender reputation improves.
Days 15-21: Full capacity, protected sending Unlock up to 200 daily emails with established domain trust.
Auto List Cleaning (Before Every Send)
We scan every upload and remove threats before you click send. Competitors charge $47/month extra. We include it free because your domain is worth protecting.
Invalid syntax removed automatically Catch typos, formatting errors, and malformed emails instantly.
Spam traps caught (instant blacklist prevention) Identify and remove honey traps before they damage your reputation.
Inactive accounts filtered (reputation killers) Remove dead emails that hurt your sender score.
Result: Bounce rates under 2% Industry average is 15%. Ours is under 2%.
Real-Time Deliverability Monitoring
Live dashboard shows exactly where your emails are landing, updated hourly. Catch problems within 2 hours, not 2 weeks. Easy fixes before catastrophe.
Inbox placement % (target: 85%+) Track your primary inbox placement rate in real-time.
Sender health score (0-100, aim for 90+) Monitor domain reputation and sender trust metrics.
Bounce rate monitoring (under 2% = healthy) Alerts when bounce rates exceed safe thresholds.
Engagement trends (improving or declining) Visual charts showing opens, clicks, and reply rates over time.
Comparison
Before vs After Firstsales.io
See what changes when an AI SDR runs your outreach around the clock, instead of you grinding through it by hand.
- You hunt for leads by hand
- Hours scraping LinkedIn and Google, pasting names into spreadsheets before you write a word.
- You write every email by hand
- More hours drafting and personalizing. The pipeline only moves when you do.
- Follow-ups slip through the cracks
- Warm prospects go cold because nobody chased them on day 3, 7, and 12.
- 83 of 100 emails vanish into spam
- You hit send and never know who saw it. 15 opens max. The rest? Gone.
- Outreach stops the second you log off
- Nights, weekends, vacations: zero pipeline. The work only happens while you're at the desk.
- Paying $97/month for 60% inbox placement
- Instantly, Lemlist charge premium prices and your email still lands in spam.
- Your AI SDR finds leads for you
- It scrapes the web and builds your target list automatically. No spreadsheets, no manual prospecting.
- Your AI SDR writes every email for you
- Personalized to each prospect, no copy-paste templates. Hours back in your day.
- Follow-ups happen automatically
- It chases every warm prospect on schedule until they reply. Nothing slips.
- 87% inbox placement vs. industry 60-70%
- Emails reach decision makers. Reply rates double from 3% to 7%. List auto-cleaned, bounces under 2%.
- Books meetings while you sleep
- It offers slots and confirms the time 24/7. You wake up to booked calls, not bounce reports.
- $29/month vs. $97 for competitors
- Save $816 a year. Better results, free list cleaning, no annual lock-in.
Why teams switch
Firstsales vs Instantly, Lemlist & Smartlead
They send. We find the leads, write, send, and land. An AI SDR is only worth paying for if it fills the pipeline and reaches a human, here's how the numbers compare.
| What matters | Firstsales | Other tools |
|---|---|---|
| Finds & sources leads for you | Included | Varies |
| AI writes & personalizes every email | Included | Varies |
| Inbox placement rate | 87% average | 60-70% average |
| List cleaning before every send | Included | +$47/mo add-on |
| Real-time deliverability monitoring | Included | Varies |
| Smart 21-day warm-up included | Included | Varies |
| Entry price | $29/mo | $94-358/mo |
| Setup time | 8 minutes | Varies |
Put your cold outreach on autopilot, starting today
Join founders and SDRs who let their AI SDR find leads, write, send, follow up, and book the meeting, 24/7. 87% inbox placement, plans from $29/mo, live in 8 minutes.
Start your $1 trial →$1 for 3 days • Cancel anytime • No long-term contract
General
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