CoinGecko API vs CoinMarketCap API
A side-by-side of the same fields from each vendor’s official pages. No ranking and no winner: pick on the fields that matter to you.
| Field | CoinGecko API | CoinMarketCap API |
|---|---|---|
| Category | Market data APIs | Market data APIs |
| Pricing | from $35/month | from $29/month |
| Free tier | Yes | Yes |
| Authentication | api-key | api-key |
| REST API | Yes | Yes |
| WebSocket | Yes | Yes |
| SDKs | none documented | none documented |
| Official MCP server | unknown | unknown |
| Open source | No | No |
| Self-host | No | No |
| Capabilities | price-data, historical-data | price-data, historical-data |
| Pricing verified on | 2026-10-29 | 2026-10-29 |
Capability overlap
Both list: price-data, historical-data.
Only CoinGecko API: none. Only CoinMarketCap API: none.
Visit: CoinGecko API ↗ · CoinMarketCap API ↗ (plain links, no affiliate).
FAQ
Which has a free tier, CoinGecko API or CoinMarketCap API?
CoinGecko API: Yes. CoinMarketCap API: Yes (verified 2026-10-29 / 2026-10-29).
Do CoinGecko API and CoinMarketCap API have an official MCP server?
CoinGecko API: unknown. CoinMarketCap API: unknown.