OddsRelay vs SharpAPI

SharpAPI, a US provider based in Pennsylvania, presents itself as an odds API for the major US sportsbooks. It sells self-serve, with a free plan. Its paid plans add in-play odds and no-vig fair prices. OddsRelay goes deeper on one region, the UK & Ireland, as a raw feed or with each price already paired to an exchange lay price.

Facts about SharpAPI checked 8 October 2026.

Which to pick

Pick SharpAPI if

You need in-play odds, pushed over SSE or WebSocket.
You need books beyond the UK & Ireland: US sportsbooks, DFS such as PrizePicks and Underdog, prediction markets such as Kalshi and Polymarket, or sharp books such as Pinnacle and Circa.
You want prices computed for you: no-vig fair odds, a consensus price, the best price per selection and closing lines.
You want historical odds and closing-line value for backtesting, on its Enterprise plan.
You want TypeScript or Python SDKs, an MCP server, or deep links to a book's bet slip.

Pick OddsRelay if

You are building an oddsmatcher and want bookmaker prices already paired with exchange lay prices.
You want bet365 and exchange lay prices on every plan, the free one included.
You want UK & Ireland bookmakers selected with one region parameter.

Side by side

OddsRelay and SharpAPI compared
Compared on	SharpAPI	OddsRelay
Output	Raw prices per bookmaker, every book's price side by side, and prices it computes: the best price per selection and a consensus price. Its paid plans add no-vig fair prices, plus arbitrage, +EV, middles and low-hold endpoints. Its odds schema does not document a field pairing a bookmaker price with an exchange lay price.	Two feeds on every plan: raw bookmaker prices, and the same prices already paired with an exchange lay price and its liquidity, ready for an oddsmatcher.
bet365	On its paid plans, not its free one. Its sportsbook reference and sportsbooks index say from its Hobby plan; its docs pricing page lists it among the books its Pro plan adds. The one bet365 entry its sportsbook reference documents is `Bet365 US`, with its region given as US.	In the feed. bet365's page lists the feed types that carry it.
UK bookmakers	Its sportsbook reference lists Sky Bet, Coral, Paddy Power and Ladbrokes UK among its books, though its Ladbrokes page says it does not return Ladbrokes UK markets today. Neither that reference nor its sportsbooks index lists William Hill, BoyleSports, BetVictor or 888sport.	140+ bookmakers, 60+ of them live in the UK & Ireland, in one schema. The coverage page shows what we cover.
Exchange lay prices	Betfair's back and lay sides are two separate books (`betfair` and `betfair_lay`), both from its Sharp plan up, and its docs say the book ID is what tells you which side a price is. Its sportsbook reference also lists Smarkets and Matchbook. Its odds schema documents liquidity fields for exchange rows.	Lay prices and liquidity from the four UK exchanges (Betfair, Smarkets, Matchbook and BETDAQ), beside each bookmaker price in the raw feed and paired with it in the matched feed.
Regions	Its `/odds` call documents no region or country parameter (its `state` parameter routes deep links, not prices). Its sportsbook reference documents a `regions` field on each book, and its homepage leads with the major US books.	The UK & Ireland today, with 60+ bookmakers live, selected with one `region` parameter.
Delivery	REST on every plan, with in-play odds (`is_live`) on its eligible paid plans. Its pricing page calls its free tier pre-match in practice, and that tier has no streaming. Its pricing page and docs sell push over SSE and WebSocket as one paid add-on, and its docs say its Enterprise plan includes it.	REST, polled pre-match, with ETag caching and gzip. No in-play stream.
Historical odds	Historical odds, line movements, closing lines and closing-line value on its Enterprise plan. Per-event closing lines with no-vig fields on its Pro plan and above, and a free sample dataset under CC BY 4.0.	None. The feed carries current pre-match prices. For backtesting, SharpAPI's history is the better tool.
Pricing	Published plans in US dollars, including a free one with no card needed, for DraftKings and FanDuel only. Its paid plans have a short free trial that needs a card, its Enterprise plan is quoted on request, and its pricing page sells streaming as a paid add-on.	Published plans (Free, Starter, Pro and Business), with Enterprise quoted. Every plan includes every product and every bookmaker in its region. Plans differ only in tokens.
Docs and sign-up	Public docs, TypeScript and Python SDKs, a hosted MCP server and llms.txt files. Self-serve sign-up for a free account, with the key copied from its dashboard.	Public docs and self-serve sign-up for a key.

Sources

Every fact about SharpAPI above comes from its own public pages. They change, so check them before you rely on them. OddsRelay does not resell any other provider's feed.

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