Solo operator GTM email only. no noise.

The GTM layer
you run yourself.

Piper connects your lead data, your email infrastructure, and your outreach into one place. You bring the tools. Piper makes them work together.

Start for free See how it works

No credit card. No contracts. Free plan is free forever.

app.onpiper.com/portal
Dashboard Sequences Campaigns Contacts
Monday, April 21
Acme GTM
Active sequences
3
Contacts
847
Active enrollments
124
Sends this month
2,410
Postmark
Connected
Prospeo
Connected
Claude AI
Connected
Active sequences
SaaS founders: Q1 outreach
4 steps
38
active
7
replied
Fintech CTOs: warm intro
3 steps
21
active
4
replied
Agency owners: product demo
5 steps
65
active
12
replied
app.onpiper.com/portal/sequences/12
SequencesCampaignsContacts
Sequences
SaaS founders: Q1 outreach
Active Pause Add step
Steps (4)
1
Quick question about {{company}}A/B
Hi {{first_name}}, noticed {{company}} recently raised a Series A. I work with...
Sent
214
Open
68%
Reply
11%
Bounce
0.5%
Wait 3 business days
2
Bumping this in case it got buried
Wanted to make sure this didn't get lost. Happy to share how we helped...
Sent
187
Open
41%
Reply
6%
Bounce
0.2%
Wait 5 business days
3
Last note from me
I know you're busy. Last message from me, I promise...
Enrollment stats
Active
38
Replied
7
Completed
169
Paused
3
app.onpiper.com/portal/contacts
SequencesCampaignsContacts
Contacts
847 total
Import CSV Search Prospeo
Name Company ICP Score Enrolled Status
Sarah Chen
VP Engineering
Loom
94
Q1 outreach
Active
Marcus Webb
CTO
Ramp
91
Fintech CTOs
Replied
Priya Nair
Head of Growth
Notion
76
Q1 outreach
Active
Tom Rivera
CEO
Linear
88
Agency owners
Replied
Dana Kim
Director of Sales
Figma
71
Q1 outreach
Active
Chris Park
VP Product
Vercel
85
Fintech CTOs
Completed
app.onpiper.com/portal/campaigns/8
SequencesCampaignsContacts
Campaigns
Q1 SaaS Founders
Draft — ready to launch
Launch campaign
Pre-flight checks
✓ DKIM verified on sending domain
✓ SPF record present
✓ 247 contacts in selected list
✓ Sequence has 4 active steps
✓ Sending identity warmed (day 14)
Campaign settings
Sequence SaaS founders: Q1 outreach
List ICP Tier 1 — 247 contacts
Sending identity founders@acme.com
Daily cap 40 enrollments / day
Round-robin Disabled
app.onpiper.com/portal/pipeline
SequencesContactsPipeline
CRM
Pipeline
31 total
Lead
14
Contacted
8
Replied
5
Meeting
3
Closed
1
All Lead Contacted Replied
Contact Company Stage In stage Sequence
Sarah Chen
@sarah_chen
Loom Inc.
VP Eng
Replied
 2 days SaaS founders: Q1
Marcus Webb
@marcus_webb
Ramp
CTO
Meeting
 5 days Fintech CTOs: warm intro
Priya Nair
@priya_nair
Notion
Head of Growth
Contacted
 1 day SaaS founders: Q1
Alex Torres
@alex_torres
Linear
Co-founder
Lead
 3 days Agency owners
Jamie Park
@jamie_park
Vercel
VP Product
Contacted
 4 hours SaaS founders: Q1

Everything between find and reply.

Find the right people
Search 200M+ contacts via Prospeo. ICP scoring surfaces your best matches. Import to Piper in one click.
Name Title ICP score Status
Sarah Chen
Loom Inc.
VP of Engineering
▲ 94
Active
Marcus Webb
Ramp
CTO
▲ 91
Replied
Priya Nair
Notion
Head of Growth
▶ 76
Enrolled
Build the sequence
Visual step builder. Liquid personalization. A/B subject lines. AI writing. Send window controls.
1
Quick question about {{company}} A/B
Hi {{first_name}}, saw that {{company}} recently…
Sent
214
Open
68%
Reply
11%
Bounce
0.5%
Wait 3 business days
2
(follow-up, same thread)
Bumping this in case it got lost…
Launch campaigns
Pick a list, identity, and daily cap. Pre-flight checks before every launch. Warm-up pacing built in.
Pre-flight check
✓ DKIM verified
✓ SPF record present
✓ 247 contacts ready
✓ Sequence has 4 active steps
Launch campaign

Bring your
own tools.

Most tools lock you in. Piper does the opposite. Your Postmark account handles the sending. Your Prospeo account finds the leads. Piper is the thin layer that makes them work together. When you leave, you take everything with you.

Your account
Prospeo
200M+ contacts. Search by title, company, funding, tech stack. Bulk enrichment. Your credits, your searches.
prospeo.io / from $39/mo
Piper
Piper
ICP scoring. Sequence builder. Campaign engine. Reply detection. Deliverability checks. AI writing. GTM profile.
onpiper.com / from $39/mo
Your account
Postmark
Transactional email infrastructure. Your server, your sending domain, your reputation. The gold standard for cold outreach.
postmarkapp.com / $1.20 per 1k emails

Why BYOK? When Piper sends via your Postmark server, your sending reputation belongs to you. A bounce on someone else's account never touches yours. When you leave Piper, your contacts, your domain, and your history go with you.

Cold email is hard.

Deliverability
Cold email reputation is built slowly and destroyed quickly. Piper enforces warm-up schedules, daily send limits, and DKIM/SPF checks before every launch. Not as a gate. As protection.
Reply rates
The average cold email gets a 1-3% reply rate. A well-targeted, well-written sequence with real personalization can reach 8-15%. Piper does not manufacture outcomes. It removes the operational friction so you can focus on the message.
Volume
Piper is not built for blasting 10,000 contacts a day. It is built for targeted outreach at 20-100 sends per day from a warmed domain. Quality over quantity. That is where the replies come from.
Compliance
Every email includes an unsubscribe link. Every reply pauses the sequence. Bounces are tracked. Spam complaints mark contacts as do-not-contact. CAN-SPAM compliance is not optional. Piper enforces it by default.

Everything in one plan.

No feature tiers. No upsells. The full platform from day one.

Sequences
  • ›Multi-step email threads
  • ›Liquid personalization
  • ›A/B subject line testing
  • ›Delay and send-window controls
  • ›Reply detection pauses sequences
  • ›Auto-reply and OOO detection
  • ›Hard and soft bounce handling
  • ›Thread continuation (same message-id)
  • ›Per-step open, click, reply stats
  • ›Test send before launch
Campaigns
  • ›List-based campaign enrollment
  • ›Daily enrollment cap per campaign
  • ›Round-robin across sending identities
  • ›Pre-flight DKIM, SPF, DMARC checks
  • ›Warm-up pacing built in
  • ›Pause, resume, or stop at any time
  • ›Per-campaign analytics
  • ›CSV export of results
Contacts
  • ›Unlimited contacts
  • ›CSV import with field mapping
  • ›Prospeo search and bulk import
  • ›ICP scoring on every contact
  • ›Lists for segmentation
  • ›Duplicate detection and merge
  • ›Do-not-contact flag
  • ›GDPR-compliant contact deletion
Pipeline CRM
  • ›Kanban-style pipeline stages
  • ›Custom stage names and colors
  • ›Move contacts between stages
  • ›Track time in stage
  • ›Sequence status per contact
AI and GTM
  • ›AI email writing and improvement
  • ›AI sequence generation from GTM profile
  • ›GTM Profile: ICP tiers, personas, positioning
  • ›Signal-triggered sequences
  • ›Competitor tracking
  • ›Weekly GTM digest
  • ›AI account research per contact
  • ›Prospeo AI search
  • ›Bring your own Claude API key
Sending
  • ›Unlimited sending identities
  • ›Per-identity warm-up schedule
  • ›Sending domain DKIM/SPF/DMARC
  • ›Postmark BYOK (your server, your reputation)
  • ›Unsubscribe handling (CAN-SPAM)

Simple pricing.
No surprises.

Priced for the operator. No per-contact fees, no send limits, no lock-in. Your data stays yours.

Piper

everything included

$49

/mo

billed monthly

  • Unlimited sequences and campaigns
  • Unlimited contacts
  • Unlimited sending identities
  • A/B subject line testing
  • Reply detection and bounce handling
  • Deliverability checks before every launch
  • Full analytics
  • Your own Postmark account (BYOK)
  • AI email writing and improvement
  • AI sequence generation
  • GTM Profile: ICP tiers, personas, positioning
  • Signal-triggered sequences
  • Competitor tracking
  • Weekly GTM digest
  • AI account research on contacts
  • Prospeo integration with ICP scoring
  • Bring your own Claude API key
Get started

Piper never limits or marks up your email volume. Sends go through your own Postmark account at $1.20 per 1,000 emails, billed directly by Postmark. You own the sending reputation.

Start talking to real people.

Bring your Postmark account. The rest takes about 10 minutes to set up.

Get started free No credit card required.