Influencer,
justified.

The measurement-first platform for influencer marketing.Brief, planning, payment and proof. Every influencer campaign, one place.

30-day trial Free for creators Book a demo →
Live demo

Watch a campaign being measured.

Have you heard of Havermill?
Have you heard of Maison Vell?
Have you heard of Harbrook?
Have you heard of Aster Lane?
The product

The campaign and the proof belong in the same 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.

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 and payments

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

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
Methodology
Transparent by design.
Read the method →

Influencer marketing has a     Justify closes it.

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 winning brief: same hook structure.
action
Scale

Scale grows it.

Turn influencer into a repeatable channel, with less manual work and proof to grow the budget.

Less manual work includes the MCP server: your agent runs the sourcing loop.

Influencer Marketplace · live Creative Testing · live Brand Lift · live
More on the MCP server →
CAMPAIGNS PER QUARTER HOURS PER CAMPAIGN Q1 Q2 Q3 Q4
$ claude mcp add --transport http justify https://mcp.justify.app/mcp
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.

Book a demo →