CountAPI
Free and simple counting service. You can use it to track page hits and specific events

Rust crate versions, downloads and dependency metadata.
crates.io API is a free Development API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
crates.io serves as a central registry for sharing crates, which are packages or libraries written in Rust that you can use to enhance your projects
Details from crates.io.

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Free and simple counting service. You can use it to track page hits and specific events
Check if AI crawlers (ChatGPT, Claude, Perplexity, 30+ others) can access any website
The crates.io API is provided by crates.io: Rust Package Registry (crates.io). crates.io serves as a central registry for sharing crates, which are packages or libraries written in Rust that you can use to enhance your projects
Yes. The crates.io API is listed in the Development 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.
No. The crates.io API requires no authentication, so you can start making requests without signing up.
Yes. The crates.io API supports CORS, so front-end JavaScript can call it directly.
Yes. The crates.io API is served over HTTPS, so it's safe to use in production.