Spinomenal - Overview and Integration
Summary
Spinomenal is an HTML5 slot provider with a wide range of thematic series and a fast time-to-market. Distinctive features: visually "light" clients, many mechanics (multipliers, upgrade symbols, cascades, hold-and-win), flexible RTP pools and ready-made promo modules (free rounds, missions, tournaments, jackpots). The integration model is classic: SSO launch → launch-URL in iFrame/window → wallet collecks (BET/WIN) → JS events for analytics and CRM.
Who fits: Operators and aggregators who require mainstream content with high showcase rotation, rapid integration and predictable exploitation.
Portfolio and user experience
Content and mechanics
Video slots: 5 × 3/6 × N, lines/ways, cascades on part of titles, xN multipliers, expanding/stacked/walking wilds, upgrade characters.
Hold-and-Win/Respin: collectible coins, fixed prizes/levels (mini/major/mega).
Bonus modes: freespins, pick-bonus, multiplying "stairs," sticky mechanics.
Buy Feature (where allowed): Paid entry to a value/volatility controlled bonus round.
Jackpots: fix/local/network - by connection configuration.
Seriality/Showcase
Thematic rulers (unity of UI/UX and economics), periodic "events" and seasonal issues to increase retention.
Uniform volatility badges and understandable feature descriptions for stable conversion from the showcase.
UX/UI
HTML5 clients: fast start, compact assets, stable FPS.
Convenience: clear paytable, progress counters, history of rounds, laconic hints on features.
L10n: multilingualism, multicurrency, local number/date formats and RG messages.
Technology and performance
Client: Canvas/WebGL, lazy-load, sprite/audio compression, critical resource preload.
Delivery: CDN/edge caching, TTL controlled, backup domains (failover).
Network: TLS 1. 2 +, HTTP/2 +, target latency to nearest PoP <150-200 ms.
Mobile: resistance to folding, CPU/battery saving, correct resume.
Math, RTP and Limits
RTP pools: usually several profiles (e.g. ≈96 %/ ≈94 %/ ≈92%) - selection at the build/catalog level for the market/contract.
Volatility: low to high; Volatility/Hit Rate display badges are recommended.
Limits: min/max rate, limitation of auto-spins and timeouts of the session according to operator/market policy.
Currencies: accounting in minor units (integer amounts), correct rounding according to the rules of jurisdiction.
Integration: high-level scheme
1. The player → the front of the operator → SSO/JWT (short TTL).
2. Operator/Aggregator API ↔ Spinomenal API: creating a session, issuing 'launch _ url'.
3. Client (iFrame/new window) ↔ Game Server: game client + JS bridge (postMessage/SDK).
4. Operator Wallet API: BET (auth-debit), WIN/PAYOUT (credit), rare adjustments/cancellations.
5. BI/Monitoring: analytical events, round reports, nightly/hourly reconciliation.
Environmental requirements
Security: IP-allowlist for S2S, signing requests/responses, key/secret rotation, strict CSP for iFrame domain.
Reliability: queues per player/session, retrays with exponential pause, deadlock by keys.
Compatibility: current Chrome/Edge/Safari/Firefox, iOS/Android WebView.
Session creation and start (pseudo-REST)
Request:
POST /api/v1/sessions
Authorization: Bearer <operator-key>
{
"player_id": "u_44821",
"currency": "EUR",
"locale": "ru-RU",
"game_id": "spinomenal_<slug>",
"return_url": "https://operator.example.com/casino/return",
"limits": { "bet_min_minor": 100, "bet_max_minor": 300000 },
"flags": { "buy_feature": false },
"tags": { "vip_level": 1, "aff_id": "AFF-709" }
}
Answer:
{
"session_id": "sess_c1d9...",
"launch_url": "https://spinomenal.example/launch?sess=sess_c1d9...",
"expires_in": 3600
}
Client launch: 'launch _ url' in iFrame/window; heartbeat/reauth - seamless extension; 'postMessage' for events and ACK/NACK.
Wallet API and idempotency
Transaction flows
BET (auth-debit): rate freeze/write-off → response'APPROVED/DECLINED '(+ balance/reason).
WIN/PAYOUT (credit): Credits the win/jackpot → returns the final balance.
ADJUST/REVOKE: rare adjustments with mandatory audit trail.
Delivery guarantees
'X-Idempotency-Key '(TTL ≥ 24 h), operator-side deduplication.
Per player/session queues → guaranteed order.
Correlation by 'round _ id '/' bet _ id '/' session _ id'; DLQ for conflicts.
POST /wallet/payouts
Idempotency-Key: 5f42-...
{
"player_id": "u_44821",
"round_id": "r_2025_11_02_17_29_40",
"amount_minor": 128000,
"currency": "EUR",
"reason": "round_win"
}
JS bridge and game events
Client → operator: 'GAME _ INIT', 'SPIN', 'WIN', 'FEATURE _ TRIGGER', 'BONUS _ START/END', 'JACKPOT _ HIT', 'ERROR'.
Transport: 'postMessage '/JS-SDK with acknowledgements (ACK/NACK) and strict' origin 'validation.
Purpose: analytics/CRM triggers, promo banners (free rounds/tournaments/missions), window personalization.
Free Rounds, missions, tournaments, jackpots
Free Rounds (Free Spins)
Issuance: through the provider API or synchronization with the operator's bonus engine.
Parameters: fix. bet/denom, number of spins, expiration date, 'game _ id', campaign source.
Accounting: winnings in real/bonus-balance; vager - according to operator/market rules.
Missions/Events
Tasks for "X spins," "win ≥ N ×," "achieve feature M times" - with the events' MISSION _ PROGRESS '.
Tournaments
Leaderboards by winnings/largest multiplier/number of spins; 'TOURNAMENT _ SCORE' in analytics.
Jackpots
Types: fix/local/network layers (mini/major/mega, etc.).
Win Collbeck: Separate 'JACKPOT _ PAYOUT' with idempotency and pool details.
Geo-configuration and compliance
Geo directory: inclusion/exclusion of titles, selection of RTP profiles, disabling Buy Feature/risk games, age/regional restrictions.
Responsible play: self-exclusion/cooldown, deposit/bet/time limits, local RG banners and cookies.
Data: PII minimization, 'player _ id' tokenization, log retention and export at the request of regulators.
Certification: Certified builds/versions for target markets are used.
Monitoring, reporting and SLAs
Key metrics
Technique: uptime API/Launch/CDN; p95 purse collbacks; Wallet/JS bridge error codes download speed of assets.
Product: Conversion 'Launch → First Spin', 'Spin → Bonus', ARP (B) U, Hold, ROI Promo/Freespins/Missions.
Finance: share of retrays/deduplications, anomalies in amounts, discrepancies in nightly reconciliations.
Reports/Reconciliation
Hourly/daily offloads (CSV/JSON/S3) by rounds and transactions.
Reconciliation by 'round _ id '/' bet _ id '/' session _ id' and amounts in minor units; auto-alerts to duplicates/omissions/" dumb" collbacks.
SLO/SLA (landmarks)
API uptime ≥ 99. 95%, delivery of assets ≥ 99. 9%; p95 collbecs <500 ms within the region.
MTTR - by incident plan objectives; separate SLOs for peak windows.
Safety
Transport: TLS 1. 2+, HSTS; strict CSP for iFrame domains.
Access: JWT/OAuth2 for sessions, IP-allowlist and S2S signature, rotation of secrets.
Data: prohibition of open PII in logs, hash/tokenization of identifiers, encryption at rest/backup.
Anti-fraud: spin frequency/rate change anomalies, multiple sessions, VPN/ASN patterns; quotas/throttling.
Scalability and fault tolerance
Edge cache: assets/manifests/localizations - managed by TTL, manual disability on releases.
Rate-limits: per player/session/API endpoint; protection against "storms" of events.
Graceful degradation: simplifying assets/effects, reducing the frequency of events, banner "technical work."
Failover: backup launch/CDN domains, re-issue token without loss of context.
Check sheets
For development
- Generation/validation of SSO tokens (short TTL, clock-skew).
- Wallet API: idempotent debit/credit, signature, queues, DLQ.
- JS bridge (postMessage/SDK): events, ACK/NACK, error handling.
- Free Rounds API: issuance/activation/redemption, vager accounting.
- Jackpots: pool config, processing 'JACKPOT _ PAYOUT', reporting.
To start
- Geo-directory and RTP profiles; disabling prohibited features (Buy Feature/risk game).
- SLO monitoring (API/CDN/wallet) + alerts.
- Nightly reconciliation and discrepancy alerts.
- RG/cookie banners, local requirements.
- Incident plan and status pages.
FAQ (Brief)
Can iFrame games run? Yes, through 'launch _ url' with negotiated CSP/' X-Frame-Options'.
Buy Feature available? Depends on game/market and catalog configuration.
How to connect free rounds? Through the provider API or bonus engine; consider the vager and expiration dates.
Are there online jackpots? With the appropriate configuration; payments come in a separate idempotent college.
How do I select an RTP variant? At the build/catalog level for a specific market and contractual terms.
Result
Spinomenal is the workhorse of the slot showcase: fast launch, high release rates and mature integration. By following the proposed patterns (SSO/launch-URL, idempotent Wallet API, JS bridge, free rounds/missions/tournaments/jackpots, strict geo-configuration, monitoring and reconciliation), the operator gets a sustainable content economy, regulatory compliance and peak stability.