CoinGecko
Completely FreeCrypto prices, market caps and 24h change; free tier needs no key.
Editorial note
Sample: api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=inr,usd
Details
- Type
- API
- Category
- Finance
- Audience
- Developers
- Status
- Active
- Added
- 2026-08-26
- Last updated
- 2026-08-26
- Last verified
- 2026-08-26
Metadata is curated manually; anything we could not verify is left out rather than guessed.
Related
4,000+ community-verified trivia questions across 24 categories. No API key. Multiple choice and true/false. Session tokens prevent question repeats. Powers the SlashAI daily quiz.
Free trivia question API with subcategory filtering, difficulty levels, and region support. Simple GET request returns 10 questions instantly. No key, no signup required.
Keyless global weather forecasts, historical data, air quality and marine API.
Hourly PM2.5, PM10, pollen and US/EU AQI for any coordinate.
Search city names to coordinates with population and timezone metadata.
Sunrise, sunset and golden-hour times for any lat/lng, no key needed.