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API · /qblockchain-api

Q Chain API

healthy 4,858 Subscribers

Live on-chain data for Q — an EVM Layer 1 with an on-chain constitution and enforceable governance — via its public Blockscout explorer (no wallet, no key). The stats endpoint returns chain-wide totals (blocks, transactions, addresses, average block time, gas used); gas gives the current gas-price oracle (slow/average/fast). Blocks lists the latest blocks, and a single block resolves by height or by hash with its transaction count, gas, validator and timestamp. The address endpoint returns any account's Q balance, nonce, contract flag and token holdings; transaction resolves a tx by hash with its from/to, value in Q, fee, status and block. The token endpoint returns an ERC-20 token's metadata (name, symbol, decimals, total supply, holders) by contract address, and search runs a universal lookup across addresses, tokens, blocks and transactions. Gas, balances, values and fees are denominated in Q, the native coin. Real on-chain data straight from the explorer, refreshed every call — no key. 9 endpoints. For multi-chain coverage combine with the other oanor chain APIs (Ethereum, Base, Arbitrum and more).

#q #blockchain #governance #evm #web3 #on-chain #blockscout #crypto
api.oanor.com/qblockchain-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
148 ms
Server probes · 24h
Subscribers
4,858
active
Total calls
0
last 7 days
status Full status page → · 9 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 4,800 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,800 calls/month
  • 2 req/sec
  • All 9 endpoints
  • No credit card
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Basic

€29.50 /month

  • 140,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 140k calls/month
  • 8 req/sec
  • Stats, blocks, address, tx
  • Email support
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Pro

€91.00 /month

  • 800,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 800k calls/month
  • 20 req/sec
  • Token + universal search
  • Priority support
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Mega

€305.00 /month

  • 4,550,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 4.55M calls/month
  • 50 req/sec
  • Full-chain indexing scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Unit Zero Chain API

Live on-chain data for Unit Zero — an EVM Layer 1 for real-world assets and AI compute — via its public Blockscout explorer (no wallet, no key). The stats endpoint returns chain-wide totals (blocks, transactions, addresses, average block time, gas used); gas gives the current gas-price oracle (slow/average/fast). Blocks lists the latest blocks, and a single block resolves by height or by hash with its transaction count, gas, validator and timestamp. The address endpoint returns any account's UNIT0 balance, nonce, contract flag and token holdings; transaction resolves a tx by hash with its from/to, value in UNIT0, fee, status and block. The token endpoint returns an ERC-20 token's metadata (name, symbol, decimals, total supply, holders) by contract address, and search runs a universal lookup across addresses, tokens, blocks and transactions. Gas, balances, values and fees are denominated in UNIT0, the native coin. Real on-chain data straight from the explorer, refreshed every call — no key. 9 endpoints. For multi-chain coverage combine with the other oanor chain APIs (Ethereum, Base, Arbitrum and more).

api.oanor.com/unit0-api

Reya Chain API

Live on-chain data for Reya Network — a trading-focused Ethereum Layer 2 — via its public Blockscout explorer (no wallet, no key). The stats endpoint returns chain-wide totals (blocks, transactions, addresses, average block time, gas used); gas gives the current gas-price oracle (slow/average/fast). Blocks lists the latest blocks, and a single block resolves by height or by hash with its transaction count, gas, miner and timestamp. The address endpoint returns any account's ETH balance, nonce, contract flag and token holdings; transaction resolves a tx by hash with its from/to, value in ETH, fee, status and block. The token endpoint returns an ERC-20 token's metadata (name, symbol, decimals, total supply, holders) by contract address, and search runs a universal lookup across addresses, tokens, blocks and transactions. Gas, balances, values and fees are denominated in ETH, the native coin. Real on-chain data straight from the explorer, refreshed every call — no key. 9 endpoints. For multi-chain coverage combine with the other oanor chain APIs (Ethereum, Base, Arbitrum and more).

api.oanor.com/reya-api

Forma Chain API

Live on-chain data for Forma — a Celestia-settled Layer 2 for NFTs and digital art — via its public Blockscout explorer (no wallet, no key). The stats endpoint returns chain-wide totals (blocks, transactions, addresses, average block time, gas used); gas gives the current gas-price oracle (slow/average/fast). Blocks lists the latest blocks, and a single block resolves by height or by hash with its transaction count, gas, miner and timestamp. The address endpoint returns any account's TIA balance, nonce, contract flag and token holdings; transaction resolves a tx by hash with its from/to, value in TIA, fee, status and block. The token endpoint returns an ERC-20 token's metadata (name, symbol, decimals, total supply, holders) by contract address, and search runs a universal lookup across addresses, tokens, blocks and transactions. Gas, balances, values and fees are denominated in TIA, the native coin. Real on-chain data straight from the explorer, refreshed every call — no key. 9 endpoints. For multi-chain coverage combine with the other oanor chain APIs (Ethereum, Base, Arbitrum and more).

api.oanor.com/forma-api

ApeChain Chain API

Live on-chain data for ApeChain — the ApeCoin DAO Layer 2 — via its public Blockscout explorer (no wallet, no key). The stats endpoint returns chain-wide totals (blocks, transactions, addresses, average block time, gas used); gas gives the current gas-price oracle (slow/average/fast). Blocks lists the latest blocks, and a single block resolves by height or by hash with its transaction count, gas, miner and timestamp. The address endpoint returns any account's APE balance, nonce, contract flag and token holdings; transaction resolves a tx by hash with its from/to, value in APE, fee, status and block. The token endpoint returns an ERC-20 token's metadata (name, symbol, decimals, total supply, holders) by contract address, and search runs a universal lookup across addresses, tokens, blocks and transactions. Gas, balances, values and fees are denominated in APE, the native coin. Real on-chain data straight from the explorer, refreshed every call — no key. 9 endpoints. For multi-chain coverage combine with the other oanor chain APIs (Ethereum, Base, Arbitrum and more).

api.oanor.com/apechain-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Q Chain API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Q Chain API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Q 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 Q Chain API cost?
Q Chain API has a free tier with 100 calls / month. Paid plans start at €29.50 / 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 Q Chain API GDPR-compliant?
All requests to Q 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/qblockchain-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/qblockchain-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/qblockchain-api/SOME_PATH");
curl_setopt($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/qblockchain-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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