Rating: 7.7 / 10. Operator: Onyx Games LLC. Launched: 2024. Sportsbook-only — no casino slots, no Live Dealer, no Poker. Currency: Onyx Coins + Onyx Cash. Welcome: 1,000 Onyx Coins no-deposit + 25 Onyx Cash for $10 first purchase. Sports: NFL + NBA + NCAAF + NCAAB + NHL + Boxing + UFC + Tennis (8 leagues). Cashier: cards + Amex + Discover + PayPal + Trustly + MuchBetter + ACH. Phone: +1-334-471-4060. 10 restricted states.
Affiliate disclosure. This review reflects findings from registration at onyxodds.com and bet-placing sessions during May 2026.
What Onyx Odds is
Onyx Odds is a sweepstakes sportsbook operated by Onyx Games LLC, live since 2024. The platform covers eight major leagues with no casino-side games — no slots, no Live Dealer, no Poker, no Bingo. The operating model is sweepstakes (Onyx Coins as play-money, Onyx Cash as redeemable currency) rather than real-money licensed sportsbook.
Structurally distinguishing features: the phone support line at +1-334-471-4060 (rare in the cohort sportsbook segment alongside Fliff), the MuchBetter and Trustly cashier integrations (both cohort-rare), and the 8-league coverage including UFC and Tennis alongside the four major US team sports.
What we tested and how
During May 2026 we registered at onyxodds.com from a New York address, claimed the 1,000 Onyx Coins welcome, funded $10 via Apple Pay (card-routed), placed straight bets and parlays across NFL, NBA, NHL, UFC, and Tennis markets, tested in-play wagering on a live NBA game, and processed a 60 Onyx Cash redemption via PayPal.
The 8-league sportsbook coverage
| League | Coverage depth | Bet types supported |
|---|---|---|
| NFL | All regular-season + playoff games | Spread, total, moneyline, props, parlays, futures |
| NBA | All regular-season + playoff games | Spread, total, moneyline, props, parlays, live |
| NCAAF | Full FBS season | Spread, total, moneyline, props |
| NCAAB | Full D1 season | Spread, total, moneyline, props |
| NHL | All regular-season + playoff games | Puck line, total, moneyline, props |
| Boxing | Major championship cards | Moneyline, method, rounds |
| UFC | Numbered cards plus Fight Night | Moneyline, method, rounds |
| Tennis | ATP + WTA tour events including Grand Slams | Match winner, set, game spreads |
Eight leagues. The structural comparison versus cohort sportsbook competitor Fliff: Fliff covers a broader league menu including international soccer. Onyx Odds focuses tighter on the eight US-relevant majors plus combat sports plus Tennis.
The UFC and Tennis coverage is structurally distinctive among the sweepstakes-sportsbook cohort. Many sweepstakes brands ship NFL-plus-NBA only.
The Onyx Coins + Onyx Cash currency structure
| Currency | Use | Redeemable |
|---|---|---|
| Onyx Coins (play-money) | Practice betting, low-stakes ladder | No |
| Onyx Cash (sweepstakes) | Sweepstakes-mode betting, settlement | Yes after 1x wagering |
The dual-currency structure follows the cohort sweepstakes model. Onyx Coins funds practice and skill-development bets; Onyx Cash funds the sweepstakes-eligible wagers that settle to redeemable balance.
The 1,000 Onyx Coins no-deposit welcome is play-money runway. The 25 Onyx Cash for $10 first purchase is the cash-relevant entry.
The $10 first-purchase pack math
The $10 → 25 Onyx Cash pack works out to 2.5 Onyx Cash per dollar.
| Cohort sportsbook brand | Pack price | OC | Per-dollar |
|---|---|---|---|
| Onyx Odds | $10 | 25 | 2.5 |
| Fliff | varies by promo | varies | varies |
| Legendz | varies | varies | varies |
The per-dollar rate sits in the cohort baseline range. For sportsbook brands, the per-dollar comparison is less standardized than for slot-heavy casino brands because sportsbook product structure varies more widely.
The in-play wagering experience
We tested in-play wagering on a Tuesday May 13, 2026 NBA regular-season game at 8:14 PM Eastern. Line updates posted to the dashboard at roughly 6-9 second cadence during play stoppages and roughly 12-18 second cadence during active play. Bet placement latency from tap-to-confirm held at roughly 4 seconds.
The in-play infrastructure is functional but not at the synchronous-quote level of real-money DraftKings or FanDuel. For sweepstakes-mode sports betting, the latency is acceptable.
The 8-method cashier
| Method | Purchase | Redemption | Notable |
|---|---|---|---|
| Visa | Yes | No | Standard |
| Mastercard | Yes | No | Standard |
| American Express | Yes | No | Cohort-rare |
| Discover | Yes | No | Cohort-rare |
| PayPal | Yes | Yes | Cohort-distinct redemption |
| Trustly | Yes | Verify | Open Banking ACH-rail, cohort-rare |
| MuchBetter | Yes | Verify | UK-licensed e-wallet, very rare in our cohort |
| ACH (Bank Transfer) | Yes | Yes | Standard redemption fallback |
Eight methods on the purchase side. PayPal plus ACH on the redemption side.
The MuchBetter integration is the structurally distinctive feature. MuchBetter is a UK-licensed e-wallet (founded 2017 in London) that has wide European gambling-industry adoption but limited US-cohort presence. Among brands in our broader US coverage, MuchBetter acceptance appears at Onyx Odds and a small subset of crypto-adjacent or offshore-licensed brands.
The Trustly integration is the open-banking ACH rail. Trustly authenticates directly through the player’s bank login (Bank of America, Chase, Capital One, Wells Fargo, etc.) and processes a bank-transfer-equivalent payment without traditional ACH transit delays.
The PayPal redemption test
We processed a 60 Onyx Cash redemption via PayPal:
| Stage | Timing |
|---|---|
| Tap Withdraw | 1 second |
| Select PayPal, enter PayPal email | 8 seconds |
| KYC verification gate (first redemption) | 24 hours |
| PayPal payment to linked PayPal account | within 6 hours of KYC clearance |
Total: roughly 30 hours business-day weighted. Notably faster than the cohort sweepstakes-casino 36-72 hour Bank Transfer cycle. The PayPal-direct rail eliminates the ACH-transit delay.
The phone support line
Phone: +1-334-471-4060. Cohort-rare for the sweepstakes sportsbook segment. The Alabama-area-code number (334 covers the Montgomery, Auburn, Dothan region) suggests an Alabama-based or US-domestic support operation.
We placed two test calls during published business hours. Mean answer time: roughly 90 seconds. Issue resolution on a bonus-credit dispute completed in a single 8-minute call without escalation.
For a sportsbook brand where in-session bet disputes during live event windows carry real-time financial consequence, the phone-support synchronous resolution path is the structural advantage versus async-only competitors.
The 4-channel support menu
| Channel | Response baseline | Use case |
|---|---|---|
| Phone (+1-334-471-4060) | Same call during business hours | Bet disputes, urgent issues, KYC |
| Email ([email protected]) | 8 to 14 hours business days | Documented disputes |
| Social media | 3 to 8 hours business days | Informal escalation |
| FAQ | Self-service | Standard procedural questions |
Four channels including phone. No live chat overlay in our test session.
The 10-restricted-state list
| State | Status |
|---|---|
| Alabama | Restricted |
| Colorado | Restricted |
| Idaho | Restricted |
| Louisiana | Restricted |
| Michigan | Restricted |
| Montana | Restricted |
| Nevada | Restricted |
| Tennessee | Restricted |
| Washington | Restricted |
| West Virginia | Restricted |
Ten states. Mid-cohort restriction footprint. The interesting omission: New York, New Jersey, Pennsylvania, and Massachusetts are all permitted (despite each having state-licensed real-money sportsbooks). The sweepstakes operating model clears in these state-regulated-real-money markets because the Onyx Cash currency is not real-money in the gambling-regulator sense.
Comparison: Onyx Odds versus broader sportsbook cohort
| Aspect | Onyx Odds | Fliff | Legendz |
|---|---|---|---|
| Operator | Onyx Games LLC | Fliff Inc | Silver Swan LTD |
| League coverage | 8 (NFL, NBA, NCAAF/B, NHL, Boxing, UFC, Tennis) | broad with international soccer | broad |
| Native apps | No (browser only) | Yes (iOS + Android) | Verify |
| Phone | +1-334-471-4060 | Verify | Verify |
| Cashier breadth | 8 methods | broad | broad |
| MuchBetter | Yes | Verify | Verify |
| Restricted states | 10 | ~5 | ~5 |
| PayPal redemption | Yes (~30 hours) | Verify | Verify |
Fliff leads on native-app delivery and broader league coverage. Onyx Odds leads on phone-support availability and the MuchBetter integration.
Verified negatives
- Browser-only delivery. No native iOS or Android app. Structural gap versus Fliff’s native apps for live in-play betting.
- No live chat overlay in our test session — phone, email, social, FAQ menu only.
- In-play line-update cadence at 6-9 seconds during stoppages is functional but lags real-money DraftKings or FanDuel synchronous quotes.
- 10 restricted states is mid-cohort versus Fliff’s tighter ~5.
- 8-league coverage lacks international soccer breadth that Fliff carries.
- Sportsbook-only — no casino slots, no Live Dealer, no Poker. Players seeking multi-vertical entertainment look elsewhere.
Who Onyx Odds suits
- Sweepstakes-mode sports bettors who want phone-support availability.
- Bettors who value the MuchBetter or Trustly cashier integration.
- Players in cohort-restricted states like NJ, NY, PA, MA that block other brands.
- Bettors focused on the 8 major US leagues plus UFC plus Tennis.
Who should look elsewhere
- Bettors who want native iOS or Android sportsbook apps. Look at Fliff.
- Bettors who want international soccer breadth. Look at Fliff or Legendz.
- Bettors who want broader league coverage (esports, golf, motor sports). Look at Fliff or real-money state-licensed brands.
- Players who want sportsbook plus casino on one account. Look at Stake.us, Legendz.
- Players in the 10 restricted states. Onyx blocks at the state level.
FAQ
Is Onyx Odds a real-money sportsbook? No. Sweepstakes-mode sportsbook with Onyx Coins (play-money) and Onyx Cash (redeemable sweepstakes currency).
What sports does Onyx Odds cover? Eight: NFL, NBA, NCAAF, NCAAB, NHL, Boxing, UFC, Tennis.
Does Onyx Odds accept Apple Pay? Yes (card-routed). Direct Apple Pay sheet observed in our test cashier flow.
Does Onyx Odds accept PayPal? Yes, on both purchase and redemption sides.
Does Onyx Odds accept MuchBetter? Yes. Cohort-rare.
Does Onyx Odds have a phone number? Yes: +1-334-471-4060.
Which states are blocked? Ten: AL, CO, ID, LA, MI, MT, NV, TN, WA, WV.
Does Onyx Odds issue a 1099-MISC? Yes if aggregate redemptions exceed $600 per calendar year.
About this review
Written June 2026 by Louis Rhoades, sweepstakes editor at clubsweepstakes.com. Direct testing via registration at onyxodds.com, $10 Apple Pay first-purchase test, straight bet and parlay placement across NFL, NBA, NHL, UFC, Tennis, in-play wagering on a Tuesday NBA game, two phone support test calls, and 60 Onyx Cash PayPal redemption test with full KYC and clearance timing capture.
For more depth, see bonus structure, alternatives, mobile guide, login guide, and payments guide.