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API · /aptosmodules-api

Aptos Modules API

healthy 4,308 Subscribers

Inspect the Move smart-contract code published at any Aptos account, live from the official public Aptos fullnode REST API — no key. Where a resources endpoint shows an account's data, this shows its code: list the Move modules an account publishes, read any module's full ABI — its exposed functions with their visibility, entry and view flags, generic type parameters, parameter and return types, plus its struct definitions — and filter straight to the callable entry functions (state-changing transactions) and view functions (read-only queries) a dApp can invoke. The on-chain interface layer for Aptos wallets, explorers, SDK and binding generators, and security tooling that need to know exactly what a contract exposes before calling it. Reads straight from the chain; live, short cache only.

#aptos #move #module #abi #smartcontract #onchain #crypto
api.oanor.com/aptosmodules-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
139 ms
Server probes · 24h
Subscribers
4,308
active
Total calls
20
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 6,700 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 6,700 calls/month
  • 3 req/sec
  • Modules + ABI + functions
  • No credit card
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Starter

€9.40 /month

  • 128,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 128k calls/month
  • 8 req/sec
  • Entry/view filtering
  • Email support
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Pro

€33.50 /month

  • 790,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 790k calls/month
  • 20 req/sec
  • Full struct definitions
  • Priority support
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Business

€97.00 /month

  • 4,950,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 4.95M calls/month
  • 50 req/sec
  • Commercial use
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Aptos Token & NFT API

Browse the Aptos token universe live from the official public Aptos Indexer GraphQL — no key. The Aptos on-chain reader resolves a single address's state from the fullnode, but it cannot browse the fungible-asset universe, rank tokens by supply, browse NFT collections, or list who holds a token. This opens that, on top of the Indexer. Discover and rank Aptos fungible assets (the FA / coin standard) with their asset type, name, symbol, decimals, decimal-adjusted supply, token standard and creator; browse NFT collections ranked by current supply with their creator, max supply and metadata uri; and list the holders of any fungible asset with their decimal-adjusted balances, largest first. The discovery, NFT and distribution layer for Aptos wallets, token explorers, NFT marketplaces and analytics. Distinct from the Aptos on-chain reader (per-address account state), the validator reader and the Move view-function reader. Live from the indexer; short cache only.

api.oanor.com/aptostokens-api

Aptos Validators & Staking API

The Aptos proof-of-stake validator set and staking economics, live from the official public Aptos fullnode — no key, nothing cached. Where the Aptos account and resource readers cover balances and the view reader runs Move calls, this curates the consensus layer they miss. Rank the active validators by voting power — each with its share of total network stake, its operator and its pool address. Read the network-wide staking config: minimum and maximum stake (in APT), the recurring lockup period, the per-epoch reward rate, the voting-power increase limit and the current epoch. And inspect any single stake pool for its active, inactive and pending stake (in APT), the operator that runs the validator, the account delegated to vote, and the unlock timestamp. The staking-and-validator layer for Aptos wallets, staking dashboards, delegators and on-chain analytics. Live from fullnode.mainnet.aptoslabs.com.

api.oanor.com/aptosvalidators-api

Aptos View API

Execute read-only Move view functions on Aptos, live, via the official public Aptos fullnode REST API — no key. This is Aptos's equivalent of an eth_call: run any #[view] function against the current chain state and get its return value, without a transaction, gas or a signer. Call a function by its fully-qualified name (like 0x1::coin::balance) with type and value arguments, or use the convenience endpoints for any account's coin balance and a coin's total supply. Read any on-chain state a contract exposes — balances, configuration, prices, registry lookups, DeFi pool reserves — straight from the source. The on-chain read layer every Aptos wallet, dashboard, trading bot and indexer needs. Live from the chain; short cache only.

api.oanor.com/aptosview-api

Aptos (APT) On-Chain API

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.

api.oanor.com/aptos-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Aptos Modules API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Aptos Modules API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Aptos Modules 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 Modules API cost?
Aptos Modules API has a free tier with 100 calls / month. Paid plans start at €9.40 / 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 Modules API GDPR-compliant?
All requests to Aptos Modules 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/aptosmodules-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/aptosmodules-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/aptosmodules-api/SOME_PATH");
curl_setopt($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/aptosmodules-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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