City Bikes
City Bikes around the world

Official Cloudbet API provides real-time sports odds and betting API to place bets programmatically.
Cloudbet API is a free Sports & Fitness API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Cloudbet API for odds feed, sports betting and account management. Software developers can place bets with the Trading API.
Details from cloudbet.com.

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City Bikes around the world
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The Cloudbet API is provided by Cloudbet API (cloudbet.com). Cloudbet API for odds feed, sports betting and account management. Software developers can place bets with the Trading API.
Yes. The Cloudbet API is listed in the Sports & Fitness category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Cloudbet API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Cloudbet API supports CORS, so front-end JavaScript can call it directly.
Yes. The Cloudbet API is served over HTTPS, so it's safe to use in production.