TheRundown vs JSONOdds — Same Price. Sub-Second Updates.
JSONOdds Basic is $49.99/month — about the same as TheRundown Starter at $49. At that price, JSONOdds documents pre-match-only odds delivered by polling a REST endpoint, with no published refresh interval. TheRundown delivers sub-second updates with WebSocket push — plus a free tier.
Why teams switch
Same data — sportsbooks, prediction markets, sharp lines — with less friction, less wait, and a price you can see before you talk to anyone.
- Public pricing. No sales call. Free API key in 30 seconds.
- Independent. Not owned by an affiliate. Not owned by Sportradar.
- Same data, half the friction.
- Sub-second updates. WebSocket push API. API key in 30 seconds.
- 16+ sportsbooks plus Kalshi and Polymarket — one unified schema.
- 30+ leagues across NFL, NBA, MLB, NHL, soccer, tennis (ATP & WTA), and more. 500+ markets. Reconstruction-grade history.
- Sportsbooks and prediction markets, side-by-side in one query.
Side-by-side comparison
TheRundown vs JSONOdds on the facts that matter for integration, coverage, and ongoing cost.
| Feature | TheRundown | JSONOdds |
|---|---|---|
| Prediction markets | ✓ Kalshi + Polymarket in unified schema | Not published in public docs reviewed |
| Price (closest tier) | Starter $49/monthPublic pricing. Free tier available — no credit card. | Basic $49.99/monthBilled monthly; full API access. |
| Pricing visibility | Public — Free / $49 / $149 / $399 / EnterpriseFree tier includes 20,000 data points/day with no credit card required. | Public — $29.99 / $49.99 / $69.99 / $129.99Four monthly plans listed publicly. No free $0 tier; free trial by email. |
| Signup friction | Self-serve. API key in 30 seconds.No sales call. No demo gate. | Self-serve checkoutPaid sign-up online; free trial requested by email. |
| Live / in-play odds | Yes — pre-match and in-playOdds update through the event. | Pre-match odds onlyJSONOdds FAQ states the service provides pre-match odds only. |
| Update speed | Sub-second updatesWebSocket push included on Ultra and above. | Refresh interval not publishedPolling-based REST with a server-set LastUpdated timestamp; no refresh interval or latency figure is documented. |
| Delivery / access | REST + WebSocket pushWebSocket push on Ultra and above. | REST polling onlyGET with an x-api-key header; no streaming/WebSocket documented. |
| Sportsbook coverage | 16+ sportsbooks plus Kalshi and PolymarketSportsbooks and prediction markets in one unified schema. | Books not enumeratedCoverage described by sport/league; sportsbook list not published. |
| Prediction-market support (Kalshi / Polymarket) | Yes — Kalshi and PolymarketReturned in the same event → markets → participants → lines → prices hierarchy as sportsbook lines. | Not found in public docs reviewed |
| Sports / leagues | 30+ leagues across 9 sports (incl. tennis ATP & WTA)Major US + EU football, NBA, MLB, NHL, NCAA, UFC, tennis (ATP, WTA), and more. | Multi-sport, pre-matchSoccer is not enabled by default (request per API key). |
| Market types | 500+ canonical market typesSpreads, totals, moneylines, props, futures, alts, derivatives. | Moneyline, spread, totalCore markets documented; broader counts not published. |
| History depth | Reconstruction-gradeEvery price change, close, and reopen timestamped. | Results ~5 days post-matchResults available for five days following match start (FAQ). |
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20,000 data points/day on the free tier. No credit card. Self-serve key. From npm install to live odds in 10 minutes.
Sources & disclosures
All figures for TheRundown are pulled from the published API and pricing pages. Claims about JSONOdds are limited to facts published on jsonodds.com (pricing, documentation, FAQ); JSONOdds does not publish a refresh interval or latency figure, so none is stated.