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API · /globalmarket-api

Global Crypto Market API

healthy 4,117 Subscribers

Live aggregate data for the whole cryptocurrency market — the top-down view, not a single coin, exchange or trading pair, powered by the public CoinGecko global feed, no key, nothing stored. The overview endpoint returns the combined market capitalisation of all crypto, the total 24-hour trading volume, the market-wide 24-hour cap change, the number of active cryptocurrencies and markets, and the ongoing / upcoming / ended ICO counts. The dominance endpoint returns each leading coin's share of total market cap — Bitcoin dominance, Ether dominance, the stablecoin share and the long-tail rest — the single most-watched gauge of where money sits in crypto. The defi endpoint returns the decentralized-finance sub-market: its market cap, its share of total crypto, its 24-hour volume and the largest DeFi token. Track total market cap, BTC dominance and the DeFi share as live JSON. This is the whole-market aggregate cut — distinct from the single-coin, single-exchange and cross-exchange coin-markets APIs in the catalogue.

#crypto #market-cap #dominance #defi #global #coingecko #bitcoin-dominance #finance
api.oanor.com/globalmarket-api
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Machine-readable spec so AI agents can integrate this API.

/api/globalmarket-api/openapi.json
/api/globalmarket-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
224 ms
Server probes · 24h
Subscribers
4,117
active
Total calls
4
last 7 days
status Full status page → · 8 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 16,000 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 16k calls/month
  • 3 req/sec
  • All endpoints
  • No credit card
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Analyst

€8.55 /month

  • 195,000 calls / month
  • 10 requests / second
  • Hard cap (429 above quota, no overage)
  • 195k calls/month
  • 10 req/sec
  • Email support
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Pro

€24.80 /month

  • 840,000 calls / month
  • 28 requests / second
  • Hard cap (429 above quota, no overage)
  • 840k calls/month
  • 28 req/sec
  • Priority support
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Scale

€57.60 /month

  • 2,950,000 calls / month
  • 65 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.95M calls/month
  • 65 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Firi Nordic Exchange API

Live order-book exchange data from Firi, the regulated Norwegian crypto venue and the largest in the Nordics, over its public API — no key, nothing stored. This is the regional venue view for the Norwegian krone (NOK) and Danish krone (DKK) order books: Nordic on-exchange price discovery, distinct from the global-aggregate and the other regional-exchange APIs in the catalogue. The ticker endpoint returns a pair full market summary — last traded price, 24h high/low, the 24h change percent, day volume and the live best bid, best ask and spread. The orderbook endpoint returns the live limit-order book — top bids and asks with cumulative depth and the bid/ask spread — so you can read on-venue liquidity. The trades endpoint returns the most recent executed trades with price, amount, side and time. The markets endpoint lists every NOK and DKK pair the venue trades with its last price and day volume. Coins traded include BTC, ETH, XRP, SOL, ADA, LTC, BNB, DOT and USDC, quoted in NOK and DKK, updated live. Build a pair from coin plus fiat (coin=btc, fiat=nok) or pass it directly (pair=ETHDKK).

api.oanor.com/firi-api

L2BEAT Rollup Risk & TVS API

Live Ethereum layer-2 / rollup risk and value-secured data from L2BEAT — no key, nothing stored. L2BEAT's signature is its independent risk framework: every rollup is rated by maturity Stage (Stage 0 / 1 / 2) and assessed across the canonical risk dimensions — sequencer failure, state validation, data availability, exit window and proposer failure — each carrying a good / warning / bad sentiment and a plain-language explanation. This is the rollup-risk and total-value-secured (TVS) view, distinct from the L2 economics/fundamentals and the on-chain per-chain APIs in the catalogue. The projects endpoint lists every tracked L2 with its type (Optimistic Rollup, ZK Rollup, Validium, layer3…), category, host chain, maturity Stage, TVS and 7-day change. The project endpoint returns one rollup in full — the TVS breakdown (native / canonical / external, and ether / stablecoin / btc / other), the Stage, providers, purposes and the complete risk assessment. The risks endpoint returns just the risk rosette for a rollup with a sentiment tally. The summary endpoint aggregates the whole ecosystem — total TVS, project count and the distribution by Stage and by type. More than a hundred rollups tracked, updated live. Project lookup is by slug (arbitrum, base, optimism, zksync-era, scroll, linea, starknet).

api.oanor.com/l2beat-api

Independent Reserve Exchange API

Live order-book exchange data from Independent Reserve, the regulated Australian / New Zealand crypto venue, over its public API — no key, nothing stored. This is the regional venue view for the AUD, USD, NZD and SGD order books: Australasian and Singapore on-exchange price discovery, distinct from the global-aggregate and the other regional-exchange APIs in the catalogue. The ticker endpoint returns a pair market summary — last traded price, 24h high/low, day volume, the live best bid and offer and the implied spread. The orderbook endpoint returns the live limit-order book — top bids and asks with cumulative depth and the bid/ask spread — so you can read on-venue liquidity. The trades endpoint returns the most recent executed trades. The history endpoint returns the hourly trade-history summary for the last N hours (per-hour open/high/low/close, volume and trade count). The markets endpoint lists every supported coin and the four fiat quote currencies. Forty-one cryptos (BTC, ETH, SOL, XRP and more) quoted against AUD, USD, NZD and SGD, updated live. Currency codes are case-insensitive and BTC is accepted either as btc or its upstream code xbt.

api.oanor.com/independentreserve-api

Token Approval Security API

Live audit of the token approvals (allowances) a crypto wallet has granted, and the risk of the contracts it has approved to spend its tokens — powered by the public GoPlus Security data, no key, nothing stored. Token approvals are the single most common way wallets get drained: once you approve a contract to move a token, a malicious or compromised spender can take it whenever it likes. This is the allowance-hygiene layer — the data behind tools like revoke.cash. The approvals endpoint lists every token a wallet has approved, who it approved (the spender contract), how much was approved and when, and whether that spender is flagged as malicious, trusted or unverified, together with a risk summary counting the dangerous approvals to revoke. The contract endpoint profiles a single spender contract before you approve it — its name, whether it is open-source, its creator, deploy time and risk tags. The chains endpoint lists the 40-plus supported blockchains. Catch wallet-draining allowances before they cost a user everything. This is the approval / allowance-risk cut — distinct from the token-contract-security, scam-detection and on-chain APIs in the catalogue.

api.oanor.com/approvalsecurity-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Global Crypto Market API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Global Crypto Market API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Global Crypto Market 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 Global Crypto Market API cost?
Global Crypto Market API has a free tier with 100 calls / month. Paid plans start at €8.55 / 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 Global Crypto Market API GDPR-compliant?
All requests to Global Crypto Market 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/globalmarket-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/globalmarket-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/globalmarket-api/SOME_PATH");
curl_setopt($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/globalmarket-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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