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API · /compound-api

Compound Protocol API

healthy 3,908 Subscribers

Live protocol metrics for Compound Finance, one of the original decentralized lending protocols, keyless. Get the total value locked across every chain Compound is deployed on, the per-asset markets across Compound v2 and v3 (Comet) with supply APY and TVL — including the v3 distinction where collateral assets back a single borrowable base asset and do not earn yield (earns_yield) — and protocol fees. One combined overview endpoint snapshots it all. Live, nothing stored. The Compound-metrics layer for DeFi dashboards, lending, yield and risk apps — distinct from other lending protocols, this is Compound own markets, v2 + v3, multi-chain.

#compound #defi #lending #tvl #crypto #ethereum #comet
api.oanor.com/compound-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
374 ms
Server probes · 24h
Subscribers
3,908
active
Total calls
25
last 7 days
status Full status page → · 15 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,500 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,500 calls/month
  • 3 req/sec
  • TVL · markets · fees
  • No credit card
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Starter

€22.00 /month

  • 95,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 95k calls/month
  • 8 req/sec
  • All endpoints
  • Email support
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Pro

€72.00 /month

  • 650,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 650k calls/month
  • 20 req/sec
  • v2/v3 market analytics
  • Priority support
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Business

€214.00 /month

  • 4,800,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 4.8M calls/month
  • 50 req/sec
  • Commercial use
  • Dedicated SLA
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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.

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Nolus Chain API

Real-time on-chain data for Nolus (chain-id pirin-1), a Cosmos-SDK Layer-1 running a DeFi-lease / money-market protocol, secured by delegated proof-of-stake with NLS as its native coin. The status endpoint returns the chain id, latest block height and time, proposer and node application version so you can confirm the chain is live and producing blocks. The validators endpoint returns the full bonded validator set — each moniker, operator address, stake in NLS, commission rate and jailed flag — sorted by stake, plus the total bonded and not-bonded NLS. The supply endpoint returns the total NLS supply (in NLS and base unls), the bonded amount and the bonded ratio. The governance endpoint returns the most recent on-chain governance proposals with title, status and voting window. The meta endpoint documents the chain, denom and decimals. Reads a live Nolus Cosmos-SDK LCD node directly (with mirror fallback), so values are current to the latest block. Live, nothing stored. 5 endpoints. This serves chain-level staking, supply and governance data; for individual lease positions or token prices use a dedicated protocol/market API.

api.oanor.com/nolus-api

Nibiru Chain API

Real-time on-chain data for Nibiru (chain-id cataclysm-1), a Cosmos-SDK Layer-1 for DeFi with a native EVM, secured by delegated proof-of-stake with NIBI as its native coin. The status endpoint returns the chain id, latest block height and time, proposer and node application version so you can confirm the chain is live and producing blocks. The validators endpoint returns the full bonded validator set — each moniker, operator address, stake in NIBI, commission rate and jailed flag — sorted by stake, plus the total bonded and not-bonded NIBI. The supply endpoint returns the total NIBI supply (in NIBI and base unibi), the bonded amount and the bonded ratio. The governance endpoint returns the most recent on-chain governance proposals with title, status and voting window. The meta endpoint documents the chain, denom and decimals. Reads a live Nibiru Cosmos-SDK LCD node directly (with mirror fallback), so values are current to the latest block. Live, nothing stored. 5 endpoints. This serves chain-level staking, supply and governance data; for token prices or smart-contract reads use a dedicated market/contract API.

api.oanor.com/nibiru-api

Canto Chain API

Real-time on-chain data for Canto (chain-id 7700), a permissionless, public-good EVM-compatible Layer-1 built on the Cosmos SDK with Ethermint and focused on free public DeFi infrastructure with CANTO as its native coin. The status endpoint returns the chain id, network id, latest block height, native symbol and node client version so you can confirm the chain is live and synced. The block endpoint returns a block by decimal or 0x-hex height — or the latest block when no height is given — with its hash, parent hash, timestamp (raw and ISO), transaction count, gas used and limit, base fee and miner. The gas endpoint returns the current gas price in both wei and gwei at the latest block. The balance endpoint returns the native CANTO balance (in wei and human-readable units) and the transaction count (nonce) for any 0x address. The meta endpoint documents the chain id, decimals and ecosystem. Reads a live Canto JSON-RPC node directly, so values are current to the latest block. Live, nothing stored. 5 endpoints. This serves native-coin and chain data; for ERC-20 token balances or contract calls use a dedicated token/contract API.

api.oanor.com/canto-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Compound Protocol API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Compound Protocol API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Compound Protocol 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 Compound Protocol API cost?
Compound Protocol API has a free tier with 100 calls / month. Paid plans start at €22.00 / 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 Compound Protocol API GDPR-compliant?
All requests to Compound Protocol 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/compound-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/compound-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/compound-api/SOME_PATH");
curl_setopt($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/compound-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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