Approved fields only
You choose what data can appear in copy. Every personalization claim traces back to a source column you approved.
Drop a CSV. Get audience paths.
Start with the list you already have — we'll turn it into segments, message paths, and fields you approve before you send.
Drop your contact list here
.csv · up to 10MB
Prefer reusable company defaults first?
Or
Live editing
Shape segments with AI — without starting over
Audience plans change. A new region, a different lifecycle stage, or a last-minute offer shouldn't mean rebuilding your whole strategy. Describe the change in plain English and Signal Send updates the segment, who belongs in it, and the draft copy — so you stay in control of the plan until it's right.
That matters because relevance isn't a one-shot guess. It's something you refine with your judgment before anything hits the inbox.
From list to relevance
Clean. Segment. Personalize.
The campaign-prep work that usually takes spreadsheets, manual filters, and hours of rewriting — handled in one focused workflow.
Clean
Make messy audience data usable
Map inconsistent columns, separate useful context from risky data, and protect anything the AI should not see.
Segment
Find the paths hiding in your list
Turn one flat export into clear audience groups based on where people actually are in their relationship with you.
Personalize
Give each path the right message
Create segment-level strategy and controlled contact-level fields, then export everything for the sender you already use.
Why it matters
Send Customers the Information They Want to See
A blast treats everyone the same. Personalization means each customer gets the information that fits where they are — not a wall of details meant for someone else. When the message is relevant, people open, click, and move. When it isn't, they tune out.
Quick setup
Autofill your company context from your website
Paste your site and Signal Send drafts the product story, value prop, and messaging context for you. You review and tweak — instead of filling a long form from scratch before you can segment a list.
Built for real sends
Controlled, auditable, and designed for the mess you actually deal with
Targeting vs. mentioning
Not every data point belongs in an email. Signal Send separates what can guide targeting from what is appropriate to mention.
Voice stays yours
Approve the campaign message once. Signal Send adapts relevance — not your brand voice.
Confidence & fallbacks
Missing fields, low-confidence rows, and unsupported claims are flagged. Weak rows get segment-level copy, not invented facts.
Suppression built in
Exclude people who shouldn't receive a send — recent purchasers, active members, wrong lifecycle stage.
Export with audit trail
Segment assignment, allowed facts, blocked fields, and confidence score — columns your team can verify before send.
Protect your data
Keep sensitive fields out of the model
Not every column belongs in an AI prompt. Mark fields you don't want sent to the model, and Signal Send replaces them with placeholders — so you still get useful structure for segmentation without exposing private data.
FAQs
Security
“Is my list safe here?”
Private workspace on your own instance. Job files are not pooled into public model training. You control what uploads and what exports.
QA
“How do I know the 1,990 emails I didn't inspect aren't weird?”
Every row gets a confidence score. Low-confidence records fall back to approved segment-level copy. Risky claims and missing fields are flagged before export — you review edge cases, not a random sample and hope.
Data
“What data does it actually use?”
Only fields you approve. Signal Send shows the source behind every personalization angle. No scraped web behavior, no inferred budget, no private notes unless you explicitly allow them.
Reality
“What if our data is garbage?”
Signal Send tells you which fields are reliable enough for copy, which should only guide segmentation, and which should stay out of customer-facing text — before you write a single line.
Trust
“How does it avoid feeling creepy?”
Targeting data and mentionable data are separate. A renewal date can place someone in a segment without appearing in the email. You ban fields and concepts from copy entirely.
Ease
“I don't have time to learn another tool.”
Upload a spreadsheet, answer a short wizard, review the audience plan. No SQL, no mail-merge gymnastics, no rebuilding your stack.
The outcome isn't “AI wrote my emails.” It's more relevance from the audience you already have — and more of the right people taking the next step.
Review the strategy. Inspect the edge cases. Export a campaign your team can trust.