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CoinMarketCap Pro API

Crypto Free key (no card)

AuthenticationFree key (no card)
Rate limitBasic (free): 10,000 credits/month, 30 requests/minute.

Documentation: coinmarketcap.com ยท Checked Sep 13, 2026

About

CoinMarketCap's Pro API free 'Basic' plan gives 10,000 monthly credits (about 333/day) at 30 requests/minute for latest prices, market caps, rankings, global metrics, and trending tokens. Free signup issues an API key sent in the X-CMC_PRO_API_KEY header; historical data requires a paid plan.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: Basic (free): 10,000 credits/month, 30 requests/minute.

Verified: 2026-09-13

Best for: Token rankings Gainers/losers screens Global market stats

Read the docs Back to catalog

Setup

  1. Sign up free at pro.coinmarketcap.com (no card required for Basic).
  2. Copy your API key from the developer dashboard.
  3. Pass it in the X-CMC_PRO_API_KEY header on requests to pro-api.coinmarketcap.com.
Sign up