ChainAnalysis — the world's only pre-mempool blockchain compliance system. 5 live analyses per day, no credit card required."/>
API Access

Start screening wallets
in under a minute.

Free tier gives you 5 live analyses per day — no credit card, no commitment. Upgrade anytime for Pro or Enterprise features.

Self-Serve — Instant Access
Free
€0/mo
5 analyses / day
  • QARS risk score 0–10
  • PASS / BLOCK gate decision
  • OFAC SDN real-time screening
  • 10-dimension amplitude vector
  • Developer & trial access
Pro — Recommended
€699/mo
5,000 analyses / day
  • Everything in Free
  • HMAC-SHA256 court-admissible PDF
  • SAR / STR auto-generation (5 jurisdictions: DE, EU, US, UK, AU)
  • FATF Recommendation 16 Travel Rule report
  • Batch screening — 500 wallets per call
  • Cryptographic forensic hash chain
Managed — Contact Required
Enterprise
€3,499/mo
Unlimited analyses / day
  • Everything in Pro
  • Pre-mempool gate SDK (npm package for direct wallet-signer integration)
  • Dedicated API endpoint — isolated infrastructure
  • Real-time wallet monitoring with webhook alerts
  • On-chain ForensicLedger integration
  • Custom QARS risk threshold configuration
  • SLA 99.9% uptime guaranteed
  • Priority support — 4-hour response time
Contact Us →
Sovereign
Custom
Unlimited · Contract-based
  • Everything in Enterprise
  • On-premise deployment — fully self-hosted, air-gapped option
  • White-label branding rights
  • Law enforcement endpoint — designed for FIUs, BKA, Europol, NCA
  • Government procurement framework support
  • EUCS / NIS2-compliant deployment configuration
  • Classified briefing available under NDA
  • Dedicated onboarding and technical integration team
Contact Us →

Already have a key? Access dashboard →
Need Enterprise or Sovereign? Contact us directly →

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Your API Key
—

Daily limit: 5 analyses  ·  Tier: FREE
Include your key in the X-API-Key header on every request.

Run First Analysis → View Dashboard
Quick Start — curl curl -X POST https://api.quantchainanalysis.com/v1/analyze \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_KEY_HERE" \
  -d '{"wallet_address":"0x…","chain":"ethereum"}'
Pre-Mempool Compliance

The only gate that fires
before the blockchain
sees a single byte.

<100ms
QARS scoring latency — well within the ~19s Ethereum mempool window before on-chain settlement is final and irreversible
10
Risk dimensions scored simultaneously using Born-rule quantum amplitude interference — the same mathematical framework as quantum probability theory
0
Direct pre-mempool competitors in the market today — QCA holds the only patent-pending pre-broadcast gating architecture (DE 10 2026 001 732.7)
300+
EU exchanges legally required to meet MiCA Article 68 pre-broadcast blocking requirements — with a compliance deadline already passed
Full Tier Comparison
Feature
Free
Pro
Enterprise
Sovereign
QARS risk score 0–10
✓
✓
✓
✓
PASS / BLOCK gate decision
✓
✓
✓
✓
OFAC SDN real-time screening
✓
✓
✓
✓
10-dimension amplitude vector
✓
✓
✓
✓
Court-admissible forensic PDF
—
✓
✓
✓
SAR / STR auto-generation (5 jurisdictions)
—
✓
✓
✓
FATF Rec. 16 Travel Rule report
—
✓
✓
✓
Batch screening (500 wallets/call)
—
✓
✓
✓
Pre-mempool gate SDK
—
—
✓
✓
Dedicated API endpoint
—
—
✓
✓
Real-time monitoring + webhooks
—
—
✓
✓
SLA 99.9% uptime
—
—
✓
✓
On-premise / air-gapped deployment
—
—
—
✓
White-label branding
—
—
—
✓
Law enforcement endpoint (FIU/LEA)
—
—
—
✓
Monthly price
€0
€699
€3,499
Custom