AI legal analysis API for autonomous agents. Detects killer clauses, calculates risk score, generates negotiation scripts. PDF, DOCX, TXT supported. Pay per call — no subscriptions.
Instant RED / YELLOW / GREEN verdict with detailed reasoning.
Unlimited liability, IP traps, auto-renewals, hidden penalties — all flagged.
Ready-to-paste replacement language for every dangerous clause.
Copy-paste phrases to send the counterparty. In your language.
A lawyer charges $300–1000 for the same work. You get the result in seconds.
{
"risk_score": 78,
"risk_level": "RED",
"recommendation": "DO NOT SIGN",
"recommendation_reason": "Unlimited liability clause exposes you to unbounded risk",
"killer_clauses": [
{
"clause": "Contractor shall pay 200% of contract value on early termination",
"risk": "Financial ruin on any dispute or life event",
"severity": "HIGH"
}
],
"fixes": [{ "issue": "...", "fix": "..." }],
"negotiation_script": ["We propose capping liability at..."],
"lawyer_questions": ["Does this clause survive termination?"]
}
POST /analyze → get 402 Payment Required with payment address10 USDC on Base mainnet to 0x1AAbd080c594CfC7AAE5c0d8200948353De87BA1X-Payment-Id: <tx_hash> → get structured JSON analysis# Step 1: call endpoint — get 402 with payment instructions curl -X POST https://contract-checker-572078894996.us-central1.run.app/analyze \ -H "Content-Type: application/json" \ -d '{"text": "Your contract text here...", "language": "en"}' # Step 2: send 10 USDC on Base → get tx hash # Step 3: retry with payment curl -X POST https://contract-checker-572078894996.us-central1.run.app/analyze \ -H "Content-Type: application/json" \ -H "X-Payment-Id: 0xYOUR_TX_HASH" \ -d '{"text": "Your contract text here...", "language": "en"}'
Paste up to 1000 characters of contract text. One free analysis per 10 minutes.