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API · /aptos-api

Aptos (APT) On-Chain API

healthy 3,935 Subscribers

Live on-chain data from the Aptos blockchain (APT), a high-throughput Move-based Layer 1, served straight from the official public Aptos fullnode REST API — no key, nothing cached. The account endpoint returns any address's state: its sequence number, authentication key, APT balance and how many on-chain resources it holds. The balance endpoint returns the balance of APT or any coin or fungible asset for an address, handling both the classic coin standard and the newer fungible-asset standard in one call. The resources endpoint lists the Move resource types an account holds — its coins, stores, staking and module data — the structural view of what lives at an address. The transactions endpoint returns the account's most recent transactions with the version, hash, entry function, success flag, gas used and time. The network endpoint returns the live chain state: chain id, the latest ledger version and block height, the epoch and the ledger timestamp. Everything is read live from the fullnode, nothing stored. This is the Aptos on-chain layer for any wallet, explorer, payments, gaming or analytics app. Distinct from the XRP Ledger, Stellar, TRON, EVM and Solana on-chain APIs and from price feeds — this is Aptos account state, balances, Move resources, transactions and ledger health. 5 endpoints, no key on our side.

#aptos #apt #move #crypto #on-chain #blockchain #layer1 #wallet
api.oanor.com/aptos-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
326 ms
Server probes · 24h
Subscribers
3,935
active
Total calls
24
last 7 days
status Full status page → · 18 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 4,500 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,500 calls/month
  • 5 req/sec
  • Account, balance, network
  • No credit card
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Starter

€12.00 /month

  • 110,000 calls / month
  • 12 requests / second
  • Hard cap (429 above quota, no overage)
  • 110,000 calls/month
  • 12 req/sec
  • Move resources + transactions
  • Email support
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Pro

€31.00 /month

  • 640,000 calls / month
  • 30 requests / second
  • Hard cap (429 above quota, no overage)
  • 640,000 calls/month
  • 30 req/sec
  • Wallet & explorer pipelines
  • Priority support
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Mega

€76.00 /month

  • 3,400,000 calls / month
  • 80 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,400,000 calls/month
  • 80 req/sec
  • Exchange & analytics scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Sui API

Live on-chain data from Sui (SUI), the high-throughput Layer 1 from Mysten Labs built on the Move language and an object-centric model, via a public Sui full-node JSON-RPC endpoint. Unlike account- or UTXO-based chains, on Sui everything an address owns is a typed Move object. Resolve an address's SUI balance together with every coin type it holds and how many distinct coins it owns. Read any coin type's metadata — its name, symbol, decimals and description — and its total on-chain supply. List the Move objects an address owns, each with its object id and fully-qualified type, the native unit of Sui ownership. Read the live chain state — the chain identifier, the current epoch, the latest checkpoint, the total transaction-block count, the reference gas price and the active validator count. Live, no key, nothing stored. Distinct from the XRP Ledger, Stellar, TRON, Aptos, Algorand, Tezos, Cardano, Hedera, Kaspa, Cosmos, Solana and EVM on-chain APIs and from price feeds — this is Sui's object-model account state, coins, owned objects and chain economics. Perfect for wallets, explorers and analytics apps.

api.oanor.com/sui-api

AscendEX Exchange API

Live spot market data from AscendEX (formerly BitMax), a global crypto exchange, served straight from its public API with no key and nothing cached. The ticker endpoint returns a market's last price, open, 24-hour high and low, 24-hour change, best bid and ask and volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their tick and lot size and minimum and maximum notional. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from AscendEX on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Markets are written BASE/QUOTE; BTC_USDT is also accepted. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/ascendex-api

XT Exchange API

Live spot market data from XT.com, a global crypto exchange, served straight from its public v4 API with no key and nothing cached. The ticker endpoint returns a market's last price, open, 24-hour high and low, 24-hour change and base and quote volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour quote volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their price and quantity precision and trading state. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from XT on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/xt-api

LBank Exchange API

Live spot market data from LBank, a global crypto exchange, served straight from its public v2 API with no key and nothing cached. The ticker endpoint returns a market's last price, 24-hour high and low, 24-hour change and base and quote volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour quote volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their price and quantity precision and minimum order size. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from LBank on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/lbank-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Aptos (APT) On-Chain API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Aptos (APT) On-Chain API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Aptos (APT) On-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 Aptos (APT) On-Chain API cost?
Aptos (APT) On-Chain API has a free tier with 100 calls / month. Paid plans start at €12.00 / 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 Aptos (APT) On-Chain API GDPR-compliant?
All requests to Aptos (APT) On-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/aptos-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/aptos-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/aptos-api/SOME_PATH");
curl_setopt($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/aptos-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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