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API · /metis-api

Metis Chain API

healthy 4,213 Subscribers

Live on-chain data for Metis (Andromeda) mainnet via Blockscout — no key. Read network stats (block height, total transactions, METIS price, market cap), a gas oracle in gwei, the most recent blocks and full block detail by height or hash, any address balance and contract info, full transaction detail, ERC-20 token detail by contract, and a universal search across addresses, tokens, blocks and transactions. Real Layer-2 chain data with the rotating proxy as automatic fallback — 9 endpoints. Ideal for wallets, explorers, portfolio trackers, analytics dashboards and on-chain monitoring on Metis.

#metis #blockchain #web3 #on-chain #layer2 #evm #crypto #blockscout
api.oanor.com/metis-api
Get an API key Try in playground → Contact provider

Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
424 ms
Server probes · 24h
Subscribers
4,213
active
Total calls
0
last 7 days
status Full status page → · 9 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 5,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 5,000 calls/month
  • 2 req/sec
  • All 9 on-chain endpoints
  • No credit card
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Basic

€9.50 /month

  • 120,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 120k calls/month
  • 8 req/sec
  • Stats, gas, blocks, tx, tokens
  • Email support
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Pro

€29.50 /month

  • 700,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 700k calls/month
  • 20 req/sec
  • Explorer & analytics scale
  • Priority support
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Mega

€79.50 /month

  • 3,500,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 3.5M calls/month
  • 50 req/sec
  • Platform scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

LUKSO Chain API

Live on-chain data for LUKSO mainnet (the creator-economy Ethereum L1 behind Universal Profiles and LSP standards, native LYX) via Blockscout — no key. Read network stats (block height, total transactions, gas), a gas oracle in gwei, the most recent blocks and full block detail by height or hash, any address balance and contract info, full transaction detail, ERC-20/LSP token detail by contract, and a universal search across addresses, tokens, blocks and transactions. Real Layer-1 chain data with the rotating proxy as automatic fallback — 9 endpoints. Ideal for wallets, explorers, Universal Profile tooling, portfolio trackers and on-chain monitoring on LUKSO.

api.oanor.com/lukso-api

Karak Chain API

Live on-chain data for Karak mainnet (the universal restaking Ethereum L2, native ETH) via Blockscout — no key. Read network stats (block height, total transactions, gas), a gas oracle in gwei, the most recent blocks and full block detail by height or hash, any address balance and contract info, full transaction detail, ERC-20 token detail by contract, and a universal search across addresses, tokens, blocks and transactions. Real Layer-2 chain data with the rotating proxy as automatic fallback — 9 endpoints. Ideal for wallets, explorers, restaking dashboards, portfolio trackers and on-chain monitoring on Karak.

api.oanor.com/karak-api

Derive Chain API

Live on-chain data for Derive mainnet (the DeFi options/perps Ethereum L2 formerly known as Lyra, native ETH) via Blockscout — no key. Read network stats (block height, total transactions, gas), a gas oracle in gwei, the most recent blocks and full block detail by height or hash, any address balance and contract info, full transaction detail, ERC-20 token detail by contract, and a universal search across addresses, tokens, blocks and transactions. Real Layer-2 chain data with the rotating proxy as automatic fallback — 9 endpoints. Ideal for wallets, explorers, DeFi dashboards, portfolio trackers and on-chain monitoring on Derive.

api.oanor.com/derive-api

RARI Chain API

Live on-chain data for RARI Chain mainnet (an Arbitrum-Orbit NFT-focused Ethereum L3, native ETH) via Blockscout — no key. Read network stats (block height, total transactions, gas), a gas oracle in gwei, the most recent blocks and full block detail by height or hash, any address balance and contract info, full transaction detail, ERC-20 token detail by contract, and a universal search across addresses, tokens, blocks and transactions. Real chain data with the rotating proxy as automatic fallback — 9 endpoints. Ideal for wallets, explorers, NFT tooling, portfolio trackers and on-chain monitoring on RARI Chain.

api.oanor.com/rari-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Metis Chain API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Metis Chain API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Metis Chain 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 Metis Chain API cost?
Metis Chain API has a free tier with 100 calls / month. Paid plans start at €9.50 / 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 Metis Chain API GDPR-compliant?
All requests to Metis Chain 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/metis-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/metis-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/metis-api/SOME_PATH");
curl_setopt($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/metis-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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