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Create evidence cards in 60 seconds

Back up claims with real evidence

Turn “trust me bro” into “here's my sources.” Create shareable proof cards with citations, confidence levels, and community validation.

Four simple steps

From claim to proof in under a minute

01

Make a claim

Write a clear, specific statement you want to back up. Keep it factual and measurable.

"Regular exercise reduces depression risk by 30%"

Be specificState factsKeep it short
02

Add sources

Link to credible sources. We auto-detect source types and trust levels.

The Lancet, Nature, WHO, PubMed...

Peer-reviewedOfficial docsPrimary sources
03

AI confidence score

AI analyzes your sources and assigns a confidence score automatically.

85% — Strong evidence

Fully automatedRe-analyze anytimeBased on source quality
04

Share proof

Get a unique link to share anywhere. Embed cards on your site or share on social.

backedby.app/c/abc123

Copy linkEmbed codeSocial share

Source quality matters

Not all sources are equal. We help you categorize evidence by reliability so viewers can assess claims at a glance.

Primary Sources

Original research, official documents, peer-reviewed studies, direct evidence

Secondary Sources

News reporting, analysis, reviews, interpretation of primary sources

Opinion / Anecdotal

Expert opinions, personal accounts, testimonials, social media

Example sources:
The Lancet PsychiatryPeer Reviewed
nature.comAcademic
who.intGov Doc
nytimes.comNews

Community validation

Claims don't exist in a vacuum. The community helps verify, discuss, and improve evidence.

Vote

Mark claims as helpful or misleading

Flag

Report inaccurate or outdated claims

Discuss

Add context and suggest sources

Verify

Community-reviewed claims get badges

Built for transparency

BackedBy isn't about being right—it's about being honest. Set your own confidence level, cite your sources, and let the evidence speak.

✓ AI-assessed confidence
✓ Transparent sourcing
✓ Community oversight
✓ Open to disputes

Ready to back up a claim?

No account required. Create your first evidence card in under a minute.