Whole-market snapshot
API · /cryptomarket-api
Crypto Market Overview API
degraded
4,300 Subscribers
Live whole-market crypto data — the bird's-eye view of the market, not single coins — served from the public CoinGecko feed with no key and nothing cached. The global endpoint returns the total crypto market capitalisation and 24-hour volume, the market-cap dominance of the biggest coins (Bitcoin around 56%, Ethereum around 9%), the 24-hour market-cap change, and how many active cryptocurrencies and markets exist. The trending endpoint returns the coins people are searching for most right now — CoinGecko's trending list — with each coin's symbol, market-cap rank, price and 24-hour change. The treasuries endpoint returns the public companies that hold Bitcoin or Ethereum on their balance sheets, ranked by holdings, with each company's coin count and current USD value and the grand total — Strategy alone holds over 800,000 BTC worth tens of billions of dollars. This is the market-overview, sentiment and institutional-flow layer for any crypto dashboard, research, screener or news app. Live from CoinGecko, nothing stored. Distinct from single-coin price, sector and TVL APIs — this is the whole market, what's trending, and who's holding. 4 endpoints.
api.oanor.com/cryptomarket-api
API health
degraded- Uptime
- 50.00%
- Server probes · 24h
- Avg latency
- 88 ms
- Server probes · 24h
- Subscribers
- 4,300
- active
- Total calls
- 80
- last 7 days
Pricing
Pick a tier — billed monthly, cancel anytime.
Free
Free
- 10,500 calls / month
- 3 requests / second
- Hard cap (429 above quota, no overage)
- 10,500 calls/month
- 3 req/sec
- Global, trending & treasuries
- No credit card
Starter
€10.50 /month
- 132,000 calls / month
- 8 requests / second
- Hard cap (429 above quota, no overage)
- 132,000 calls/month
- 8 req/sec
- Dominance, sentiment & holdings
- Email support
Pro
€27.50 /month
- 640,000 calls / month
- 15 requests / second
- Hard cap (429 above quota, no overage)
- 640,000 calls/month
- 15 req/sec
- Dashboard, research & news pipelines
- Priority support
Scale
€64.50 /month
- 3,200,000 calls / month
- 30 requests / second
- Hard cap (429 above quota, no overage)
- 3,200,000 calls/month
- 30 req/sec
- Market-intelligence scale
- Dedicated SLA
Built by
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api.oanor.com/wemix-api
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Live EVM on-chain data for Monad (chain id 143) — the high-performance, parallel-execution Layer-1 designed for thousands of transactions per second, whose native token is MON — served directly from public EVM JSON-RPC nodes with multi-node failover. The status endpoint returns the chain and network id, the latest block height and the node client version. The block endpoint returns a block by number (or the latest) with its hash, parent hash, timestamp, transaction count, gas used and gas limit, miner and size. The gas endpoint returns the current gas price in both wei and gwei. The balance endpoint returns the MON balance and outgoing transaction count for any address, converted from base wei (18 decimals) into whole MON with exact big-integer scaling. Every figure is read live from the chain over JSON-RPC — nothing bundled or modelled — behind a short server-side cache with keep-warm so the feed stays fast and fresh. Ideal for explorers, wallet and dashboard tooling, gas trackers, address monitors and analytics apps across the Monad ecosystem. Live keyless upstream. 5 endpoints.
api.oanor.com/monad-api
Superposition API
Live EVM on-chain data for Superposition (chain id 55244) — an Arbitrum-Orbit DeFi Layer-3 with ETH gas and on-chain yield-bearing Super Assets — served directly from the public Superposition JSON-RPC with server-side resilience. The status endpoint returns the chain and network id, the latest block height and the node client version. The block endpoint returns a block by number (or the latest) with its hash, parent hash, timestamp, transaction count, gas used and gas limit, miner and size. The gas endpoint returns the current gas price in both wei and gwei. The balance endpoint returns the ETH balance and outgoing transaction count for any address, converted from base wei (18 decimals) into whole ETH with exact big-integer scaling. Every figure is read live from the chain over JSON-RPC — nothing bundled or modelled — behind a short server-side cache with keep-warm so the feed stays fast and fresh. Ideal for explorers, wallet and dashboard tooling, gas trackers, address monitors and DeFi analytics across the Superposition and Arbitrum-Orbit ecosystem. Live keyless upstream. 5 endpoints.
api.oanor.com/superposition-api
Matchain API
Live EVM on-chain data for Matchain (chain id 698) — the BNB-Chain-secured Layer-2 focused on decentralised identity and social, where gas is paid in BNB — served directly from the public Matchain JSON-RPC with server-side resilience. The status endpoint returns the chain and network id, the latest block height and the node client version. The block endpoint returns a block by number (or the latest) with its hash, parent hash, timestamp, transaction count, gas used and gas limit, miner and size. The gas endpoint returns the current gas price in both wei and gwei. The balance endpoint returns the BNB balance and outgoing transaction count for any address, converted from base wei (18 decimals) into whole BNB with exact big-integer scaling. Every figure is read live from the chain over JSON-RPC — nothing bundled or modelled — behind a short server-side cache with keep-warm so the feed stays fast and fresh. Ideal for explorers, wallet and dashboard tooling, gas trackers, address monitors and analytics apps across the Matchain identity and social ecosystem. Live keyless upstream. 5 endpoints.
api.oanor.com/matchain-api
Frequently asked questions
Quick answers about pricing, quotas, and integration.
How do I get an API key for Crypto Market Overview API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Crypto Market Overview API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Crypto Market Overview API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Crypto Market Overview API cost?
Crypto Market Overview API has a free tier with 100 calls / month. Paid plans start at €10.50 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Crypto Market Overview API GDPR-compliant?
All requests to Crypto Market Overview API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.
Pick an endpoint from the list on the left to see its details and try it.
Code snippets
Sign up to get an API key, then call any path under your slug.
curl https://api.oanor.com/cryptomarket-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/cryptomarket-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/cryptomarket-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);import requests
r = requests.get(
"https://api.oanor.com/cryptomarket-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Ratings
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