Fairness Verification API for Game Probability Items
Launch verifiable draw workflows, audit trails, and secure randomness infrastructure for live game services.
PractRand 0.95 reached 256GB with no anomalies in 915 results; the Dieharder excerpt shows 0 FAIL and 1 WEAK, and the NIST STS summary covers 2,000 sequences.
Validation Results
PractRand
PractRand 0.95 core suite with extra folding ran to 256GB with no anomalies in 915 results.
ENT
Entropy measured at 8.000000 bits per byte with serial correlation coefficient 0.000015.
Dieharder
Dieharder 3.31.1 excerpt shows broad PASS coverage, 0 FAIL, and 1 WEAK in the displayed output.
NIST STS
SP 800-22 summary excerpt covers 2,000 sequences, including 1979/2000 Frequency and 1980/2000 BlockFrequency.
TestU01 BigCrush
BigCrush execution excerpt captured on TestU01 1.2.3 across multiple subtests.
curl -X POST https://api.rantropy.com/v1/verifications/draw \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"eventId": "spring-draw-001",
"poolId": "legendary-items",
"requestedAt": "2026-03-26T09:00:00Z",
"playerId": "sample-player"
}'Why Game Teams Choose Rantropy
Built for operators who need verifiable randomness, auditability, and AWS-ready delivery
Cryptographic Security
Enterprise-grade entropy sources ensuring complete unpredictability for security-critical applications
Statistical Validation
Backed by PractRand 0.95 at 256GB, a Dieharder excerpt with 0 FAIL and 1 WEAK, an NIST STS summary over 2,000 sequences, and TestU01/ENT logs
Scalable APIs
REST and gRPC APIs with flexible rate limits from 200 to 20,000 requests per second
Statistical Distributions
Generate Normal, Poisson, Binomial, Uniform, and Exponential distributions with precise properties
High Availability
99.5% to 99.99% SLA with global infrastructure and enterprise-grade reliability
Developer Friendly
Comprehensive documentation, code samples, and responsive support for seamless integration
Verified RNG Solution for Gaming Industry
Ensure fairness and build player trust with cryptographically secure random numbers
Core Values
- โTrue random number generation ensuring game fairness
- โUnpredictable randomness for player trust
- โVerified RNG solution for regulatory compliance
Applicable Areas
Enterprise Solutions
Simple, Transparent Pricing
Choose a rollout path for pilot, live operations, or procurement through AWS Marketplace.
Starter
For prototype teams validating fairness workflows and operator tools.
- โProbability draw verification API
- โReceipt and hash evidence generation
- โMonthly validation reports
Studio
For live game teams operating multiple item pools and event campaigns.
- โAll Starter features
- โOperator dashboard and audit timeline
- โAWS Marketplace private offer onboarding
Professional
For regulated launches that need stricter controls, logging, and support.
- โDedicated verification environment
- โExpanded audit export and evidence retention
- โPriority technical support
Enterprise
Custom rollout for publishers needing compliance reviews and tailored architecture.
- โCustom infrastructure and VPC design
- โRegulatory reporting workflow support
- โMarketplace launch and direct contract path