FREE SMART CONTRACT AUDIT
Paste a public GitHub repository and run a free smart contract surface scan — no account or credit card required.
KEY CAPABILITIES
Discover how free smart contract audit strengthens your smart contract security
NO ACCOUNT NEEDED
The free surface scan runs with zero signup friction — paste a repo URL and get findings back in minutes.
REAL VULNERABILITY CLASSES
Checks for reentrancy, access control flaws, unchecked external calls, and other patterns behind real-world exploits — not a marketing checklist.
CLEAR UPGRADE PATH
Escalate meaningful signals to an authenticated deep audit for repository-scale reasoning, tested hypotheses, and a curated report.
HOW IT WORKS
Our streamlined process makes free smart contract audit simple and effective
PASTE YOUR REPO
Submit a public GitHub repository URL to the form below — no login required.
HOUND AI SCANS
Firepan's HOUND AI engine runs a surface-level scan for high-signal vulnerability patterns.
REVIEW & UPGRADE
Review the structured findings, then escalate to a deeper authenticated audit when the scope or risk warrants it.
USE CASES
- •Developers who want a quick sanity check before pushing to mainnet
- •Teams evaluating Firepan before committing to a paid plan
- •Open source projects that want a baseline security check with no budget
- •Founders doing early-stage due diligence on a contract before further investment
- •Anyone curious what an AI-powered audit finds on their own code
RUN YOUR FREE SCAN NOW
Results are returned directly from the unauthenticated surface-scan API. This is a fast triage tool, not a security guarantee or a substitute for scoped review.
FREQUENTLY ASKED QUESTIONS
Is the free smart contract audit really free?
Yes. The surface scan (POST /surface/scan) requires no account, credit card, or bearer token. Submit a public GitHub repository URL and receive structured results. Full scans and autonomous deep audits require an authenticated trial, subscription, or x402 payment.
What does the free scan check?
The free surface scan runs Firepan's HOUND AI engine against your repository for common vulnerability patterns — reentrancy, access control flaws, unchecked external calls, and other high-signal issues — and returns a structured findings summary.
What's the difference between the free scan and a full deep audit?
The free surface scan is a fast first pass using deterministic pattern and bug-class detectors with optional LLM verification. A deep audit builds a code knowledge graph, generates and tests security hypotheses, and can use Slither as corroborating evidence. Automated analysis does not guarantee that a codebase is vulnerability-free.
Do I need to give Firepan access to my private repo?
The free surface scan works on public repositories without authentication. For private repositories, sign up for a free trial and connect via GitHub OAuth — Firepan only reads the code needed to run the scan.
READY TO ENHANCE YOUR SECURITY?
Use Firepan's free smart contract audit workflow as one evidence layer in a broader smart contract security program.