Influencer,
justified.

The measurement-first platform for influencer marketing.Brief, plan, pay, prove — every campaign, one place.

30-day trial Live in minutes Free for creators
Have you heard of Goodyear?
Have you heard of Maison Cléo?
Have you heard of Kinfolk&Co?
Have you heard of Paramour?
The product

Every campaign.
And the proof.
One place.

app.justify.app
Justify Influencer Marketplace — search and shortlist creators in one place
What you get

Plan the work. Run it cleanly.
Prove what moved.

01

Influencer Marketplace

Search 300M+ creators with evidence, not follower counts. Build personas, run vetting pipelines.

02

Creative Testing

Test the concept with your audience before you spend. The proof starts before the post goes live.

03

Brand Lift

Exposed-versus-control measurement, built for influencer campaigns. Know what changed, and defend it.

04

Campaign workflow & payments

Every brief, creator, asset, approval and payment in one place. Creators keep 100%.

05

MCP server

The whole platform, available to Claude, Cursor or any AI agent through one connection.

We measure like scientists and explain like humans.

Sample lift report
ExposedPeople who saw it
ControlPeople who didn't
LiftThe gap, in points
RangeConfidence shown
Who uses it
BrandsKnow what lifted
AgenciesProve client impact
CreatorsCarry performance proof
CreativeSee which concept wins
InsightsExport the data
LeadershipRead one clear page
Methodology
Transparent by design.
Read the method →
The questions answered in the report
Q1
What moved?
→ Control group comparison
Q2
How confident are we?
→ Confidence range shown on every result
Q3
Who saw it?
→ Audience-verified panels
Q4
What next?
→ Decision summary

Influencer marketing has a     Justify closes it.

Powered by Justify Intelligence
brief.draft · justify-intelligence live
audienceUK · 25–34 · denim-aware
format15s · spoken · POV
hook"the seam tells you everything."
creators @maeve_fit · 91% @josieblake · 84% +9 others
whyMirrors your last winner (NØRD, Q3): same hook structure, +18.4pp lift.
action
MCP server

Your agents can
use Justify too.

One MCP connection gives Claude, Cursor or any agent the Influencer Marketplace today — Creative Testing and Brand Lift arrive on the same connection as they ship.

Influencer Marketplace · live Creative Testing · soon Brand Lift · soon
Connect in two steps →
agent · terminal ● connected
$ claude mcp add --transport http justify https://mcp.justify.app/mcp
justify connected · OAuth · no API keys
find UK fitness creators with proven lift, vet against my brief
searching 300M+ creators…
Concept Studio · Powered by Justify Intelligence

See the concept before you spend.

InputsBrief, brand, history
OutputConcept · script · spec
+18.4% lifted before
AI-generated
@maeve_fit

The proof starts
before the post goes live.

Weekly brief

Influencer marketing, distilled every Monday.

Justify has cut our sourcing and execution time in half. The platform makes it incredibly easy to find talent that aligns with our campaign criteria, and the data behind each creator gives us full confidence in who we bring to our brands.
Shirel · Founder Creator Origin

Proof beats
promises.

Tweaks