Blockchain.com Data API vs CoinGecko
Category: Cryptocurrency · Updated June 2026
Blockchain.com Data API has a more generous free tier (Unlimited, no key, no credit card) and requires no API key, making it the easier choice for getting started. Blockchain.com Data API currently leads on reliability with 72.26% uptime vs CoinGecko's 15.94% uptime over the last 30 days. Pick Blockchain.com Data API for hobby projects; consider CoinGecko if you need its specific feature set.
Side-by-side comparison
Blockchain.com Data API
Free Bitcoin blockchain data API from Blockchain.com providing prices, stats, blocks, and transaction data. No key required.
| Status | 🟢 Online |
| 30-day uptime | 72.26% |
| Response time | 321 ms |
| Free tier | Unlimited, no key, no credit card |
| Auth | No key required |
| Tier score | 1.0 — no friction |
CoinGecko
Free crypto price data covering 10,000+ coins and 800+ exchanges.
| Status | 🔴 Offline |
| 30-day uptime | 15.94% |
| Response time | 3 ms |
| Free tier | 10-30 calls/min, no key (Demo plan) |
| Auth | No key required |
| Tier score | 0.7 — free key, no card |
Which to choose?
- Pick Blockchain.com Data API if…you want zero friction — no account, no key, just call the endpoint. Also good if cryptocurrency data without signup is a hard requirement.
- Pick CoinGecko if…you want zero friction — no account, no key, just call the endpoint. Also good if cryptocurrency data without signup is a hard requirement.
- Use both if…one goes down — they serve the same cryptocurrency use case from different data sources, so you can implement a quick fallback.
Or use these alternatives
Other top-ranked Cryptocurrency APIs you might consider:
- Kraken Public API — 🟢 Online · Unlimited public data, no key required
- Coinbase Advanced Trade API (Public) — 🟢 Online · 10 calls/sec, no key for public endpoints
Frequently Asked Questions
Is Blockchain.com Data API or CoinGecko more reliable?
Based on our 30-day tracking, Blockchain.com Data API is more reliable with 72.26% uptime compared to CoinGecko's 15.94%. Both are measured from the same automated hourly checks — no self-reported data.
Which one has a more generous free tier — Blockchain.com Data API or CoinGecko?
Blockchain.com Data API has a more generous free tier. Its plan offers Unlimited, no key, no credit card vs CoinGecko's 10-30 calls/min, no key (Demo plan). Blockchain.com Data API also requires no API key at all, making onboarding instant.
Can I use Blockchain.com Data API and CoinGecko together?
Absolutely — neither requires an API key, so you can call both with no setup. A round-robin or primary/fallback pattern is trivial to implement, giving you redundancy at zero cost.
What's the cheapest paid alternative if both Blockchain.com Data API and CoinGecko fail?
If you need a paid fallback, CoinGecko Pro is one of the more affordable options (from $129/mo). You can find the full list of paid alternatives on each API's detail page. Paid tiers typically offer SLA guarantees, higher rate limits, and dedicated support.
See full profiles: Blockchain.com Data API · CoinGecko · All Cryptocurrency APIs