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API · /dexpairs-api

DEX Pairs API

healthy 4,325 Subscribers

Live decentralised-exchange trading-pair data — no key, nothing cached. For any token or trading pair across every major chain and DEX (Ethereum, Solana, BSC, Base, Arbitrum, Polygon and dozens more, on Uniswap, Raydium, PancakeSwap and the rest) it returns the live on-DEX market: the price in USD and in the native quote token, the pool liquidity, the 24-hour volume, the fully-diluted valuation and market cap, the price change over 5 minutes, 1, 6 and 24 hours, and the count of buy and sell transactions. The search endpoint finds every pair matching a token symbol, name or address. The token endpoint returns all the pools a token trades in, ranked by liquidity, so you can find where the real liquidity is — Wrapped Ether trades in pools led by a Uniswap WETH/USDC pool with tens of millions in liquidity. The pair endpoint returns one specific pool by chain and pair address in full detail. This is the DEX market-data layer every trading, screener, wallet, sniping and portfolio app needs — real pools, real prices, every chain. Live from DexScreener, nothing stored. Distinct from aggregate DEX-volume and centralised-exchange ticker APIs — this is per-pair on-DEX data. 4 endpoints.

#dex #defi #trading-pairs #liquidity #crypto #uniswap #price
api.oanor.com/dexpairs-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
179 ms
Server probes · 24h
Subscribers
4,325
active
Total calls
20
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 11,000 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 11,000 calls/month
  • 3 req/sec
  • Search, token pools & pair lookup
  • No credit card
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Starter

€10.00 /month

  • 130,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 130,000 calls/month
  • 8 req/sec
  • Price, liquidity, volume & FDV
  • Email support
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Pro

€26.00 /month

  • 630,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 630,000 calls/month
  • 15 req/sec
  • Trading, screener & wallet pipelines
  • Priority support
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Scale

€60.00 /month

  • 3,150,000 calls / month
  • 30 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,150,000 calls/month
  • 30 req/sec
  • DEX-analytics scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

STON.fi API

Live data from STON.fi, the largest decentralised exchange on TON (The Open Network, the Telegram-native blockchain). The overview endpoint returns the DEX's current total value locked plus lifetime volume, wallets and trades. The pools endpoint returns the top liquidity pools by volume, APY or liquidity — each with its token pair, last price, base/quote volume and liquidity, LP token USD price and APY. The assets endpoint searches STON.fi's token registry by symbol and returns each token's live USD price, decimals and contract address. Read live from STON.fi, nothing stored. The only TON-native DeFi feed here — distinct from Ethereum, Solana and Sui DEX feeds — this is STON.fi's own TON DEX pool, volume/APY and token-pricing layer.

api.oanor.com/stonfi-api

Cetus API

Live data from Cetus, the largest concentrated-liquidity (CLMM) DEX on Sui, which runs most of Sui's on-chain swap volume across thousands of pools. The pools endpoint returns the top pools by TVL, volume or APR — each with its token pair, fee tier, total liquidity, 24h volume and fees, the fee APR and reward APR, and the current price. The pool endpoint returns one pool's full state by address. The search endpoint finds pools by token symbol. Read live from Cetus, nothing stored. This is Cetus's own Sui CLMM pool, TVL/volume/APR and pricing layer — distinct from Ethereum and Solana DEX feeds, lending, staking and oracle APIs, and the only Sui-native DeFi feed here.

api.oanor.com/cetus-api

Raydium API

Live data from Raydium, the largest automated-market-maker DEX on Solana, whose standard (AMM) and concentrated-liquidity (CLMM) pools route most of Solana's on-chain swap volume. The overview endpoint returns the protocol's total value locked and 24h volume. The pools endpoint returns the top pools by liquidity, volume, APR or fees — each with its pair, type, price, TVL, 24h volume, fee APR and fee rate. The pool endpoint returns one pool's full state by id, including weekly and monthly volume and the CLMM price range. The price endpoint returns the live USD price of one or more SPL tokens by mint address, with symbol shortcuts for SOL, RAY, USDC and more. Read live from Raydium, nothing stored. This is Raydium's own Solana AMM/CLMM pool, TVL/volume/APR and token-pricing layer — distinct from Ethereum AMM feeds (Balancer, Curve), order-book/perps DEX feeds and swap aggregators.

api.oanor.com/raydium-api

Balancer API

Live data from Balancer, a leading multi-chain decentralised AMM whose programmable liquidity pools (weighted, stable, gyro, boosted) power swaps and yield across Ethereum, Arbitrum, Base, Polygon, Avalanche, Gnosis, Optimism and more. The pools endpoint returns the top pools by TVL on a chain — each with its type, total liquidity, 24h volume and fees, total APR (with a yield/swap/staking breakdown) and constituent tokens. The pool endpoint returns one pool's full state by id, including swap and holder counts and the full APR breakdown. The token endpoint returns a token's live Balancer price plus its symbol, name and decimals. The tokens endpoint searches the token registry by symbol or name. Read live from Balancer, nothing stored. This is Balancer's own programmable-pool AMM, TVL/volume/APR and token-pricing layer — distinct from constant-product DEX feeds, Curve's stableswap and order-book or perps DEX feeds.

api.oanor.com/balancer-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for DEX Pairs API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call DEX Pairs API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for DEX Pairs 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 DEX Pairs API cost?
DEX Pairs API has a free tier with 100 calls / month. Paid plans start at €10.00 / 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 DEX Pairs API GDPR-compliant?
All requests to DEX Pairs 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/dexpairs-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/dexpairs-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/dexpairs-api/SOME_PATH");
curl_setopt($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/dexpairs-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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