7Timer!
APIFree weather API focused on astroweather and meteorological data
Overview
7Timer! provides RESTful endpoints for weather data, with a strong emphasis on astroweather (e.g., cloud cover, twilight, visibility) alongside civil and military forecasts. It supports JSON, CSV, and image response formats. Ideal use cases include stargazing planning, outdoor activity preparation, and integrating weather insights into educational or hobbyist projects—all accessible without authentication.
Example Integration (JavaScript)
script.js JS
fetch('http://www.7timer.info/doc.php?lang=en')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful architecture
- Specialized astroweather data
- Multiple data products (civil/astro/military)
- JSON/CSV/image support
- No authentication required
Frequently Asked Questions
? Is 7Timer! free to use?
Yes, 7Timer! is free for both personal and non-commercial use without any charges.
? Does it require an API Key?
No, you can access all endpoints without an API key or authentication.
? What is the response format?
Responses are available in JSON, CSV, or PNG image formats, depending on the selected data product.
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Tool Info
Pros
- ⊕ Free unlimited access
- ⊕ Astroweather specialization
- ⊕ Flexible response formats
- ⊕ Easy integration (no API key)
Cons
- ⊖ Potential rate limits for excessive usage
- ⊖ No official SLA
- ⊖ Limited historical data availability