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Crypto · head to head

Etherscan vs KuCoin

Etherscan logo

Etherscan

Crypto

The Ethereum blockchain explorer

From
Free
Rated
-
Full reviewWebsite
KuCoin logo

KuCoin

Crypto

The people's exchange for crypto

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Etherscan the free API plan is capped at 3 calls per second and 100,000 calls per day; KuCoin unavailable for U.S. traders until at least 2027 following regulatory issues; U.S. users have only withdrawal access
  • They diverge on capability: Etherscan covers Block Explorer, KuCoin covers Spot Trading.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Etherscan and KuCoin actually diverge.

Attributes where Etherscan and KuCoin differ
AttributeEtherscanKuCoin
Pricing modelfreemiumUnknown
PlatformsWeb, ApiWeb, iOS, Android
Founded20152017

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Crypto).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Etherscan

  • Block Explorer
  • Transaction Tracking
  • Token Tracker
  • Contract Verification
  • Gas Tracker
  • Ethereum mainnet
  • Testnets
  • Api support

Only in KuCoin

  • Spot Trading
  • Futures Trading
  • Trading Bots
  • Lending
  • Staking
  • KCS Token
  • KuCoin Wallet
  • Ios support

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Etherscan

  • Looking up Ethereum transactions, addresses and token transfers in a block explorernot KuCoin
  • Reading and verifying deployed smart contract source codenot KuCoin
  • Pulling on-chain data into an application through the explorer APInot KuCoin

KuCoin

  • Exchangesnot Etherscan
  • Tradingnot Etherscan
  • Altcoinsnot Etherscan

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Etherscan

  • The free API plan is capped at 3 calls per second and 100,000 calls per day
  • The free plan requires attribution and covers only selected chains rather than all supported chains
  • API Pro endpoints are withheld below the Standard plan at $199 per month
  • The $49 per month Lite plan raises the rate limit to only 5 calls per second and keeps the same 100,000 calls per day as the free tier
  • Rate limits top out at 30 calls per second even on the $899 per month Pro Plus plan
  • The Address Metadata endpoint requires Pro Plus at $899 per month and is limited to one app license
  • Metadata CSV export and dedicated support are only in Metadata Enterprise, which is quoted by contact with no published price
  • The 10% and 15% discounts apply only to quarterly and yearly prepayment

KuCoin

  • Unavailable for U.S. traders until at least 2027 following regulatory issues; U.S. users have only withdrawal access
  • Customer support quality is variable with reported delays during high-volume trading periods
  • Thin liquidity on lesser-known and altcoin trading pairs
  • Limited educational materials and no insurance coverage for user assets

Pricing, plan by plan

Etherscan

Free
  • FreeFree
    • 3 calls per second rate limit
    • Up to 100,000 API calls per day
    • Selected chains with 90% coverage
  • Lite$49/month
    • 5 calls per second rate limit
    • Up to 100,000 API calls per day
    • All supported chains with community endpoints
  • Standard$199/month
    • 10 calls per second rate limit
    • Up to 200,000 API calls per day
    • API Pro endpoints access
  • Advanced$299/month
    • 20 calls per second rate limit
    • Up to 500,000 API calls per day

KuCoin

Free
  • Basic AccountFree
    • Spot trading at 0.10%/0.10% base fees
    • Futures trading
    • Staking and earning

Which should you pick?

Choose Etherscan if

  • You need block explorer.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want transaction tracking.
Etherscan review

Choose KuCoin if

  • You need spot trading.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want futures trading.
KuCoin review

Questions people ask

Is Etherscan or KuCoin better?
Neither clearly leads. Etherscan starts at Free and KuCoin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Etherscan or KuCoin?
Etherscan starts at Free and KuCoin at Free.
Does Etherscan or KuCoin run on more platforms?
Etherscan runs on Web, Api. KuCoin runs on Web, iOS, Android.
Can I use Etherscan for free?
Both have a free tier, so you can try either at no cost before committing.
What is Etherscan best used for?
Etherscan is most often used for looking up ethereum transactions, addresses and token transfers in a block explorer, reading and verifying deployed smart contract source code, pulling on-chain data into an application through the explorer api. Of those, looking up ethereum transactions, addresses and token transfers in a block explorer and reading and verifying deployed smart contract source code are not what KuCoin is typically brought in for.
What can Etherscan do that KuCoin cannot?
Etherscan covers Block Explorer, Transaction Tracking, Token Tracker, Contract Verification. KuCoin covers Spot Trading, Futures Trading, Trading Bots, Lending. Both handle Web support.

Answered from the vendors’ own pages

Etherscan: Is Etherscan API free to use?

Etherscan offers a free plan with a 3 calls per second rate limit and up to 100,000 API calls per day. The free tier provides access to selected chains with 90% coverage and requires attribution. Additional premium plans start at $49 per month.

Source
KuCoin: Is KuCoin available in the United States?

KuCoin is unavailable for trading in the U.S. until at least 2027 following a January 2025 guilty plea. U.S. users have withdrawal-only access.

Source
Etherscan: What are Etherscan's rate limits?

Etherscan provides different rate limits based on plan: Free plan allows 3 calls per second, Lite allows 5 calls per second, Standard allows 10 calls per second, Advanced and Professional allow 20-30 calls per second, and Pro Plus allows 30 calls per second with up to 1,500,000 API calls per day.

Source
KuCoin: What is KuCoin's trading fee structure?

Spot trading fees are 0.10%/0.10% base (0.08%/0.08% with KCS discount). Futures fees are 0.02% maker/0.06% taker. Withdrawal fees are network-dependent and dynamic.

Source
Etherscan: Can I get a refund for Etherscan API payments?

No. Etherscan explicitly states that all payments made are non-refundable. Accounts are activated within 24 hours for API Pro accounts, and auto-renewal is enabled by default through Stripe.

Source
KuCoin: How many cryptocurrencies and trading pairs does KuCoin support?

KuCoin supports 1,115+ cryptocurrencies and 1,312+ trading pairs.

Source
KuCoin: What trading features does KuCoin offer?

KuCoin offers spot trading, futures/derivatives, copy-trading with leaderboards, P2P marketplace, staking, token launchpad (Spotlight), NFT/Web3 wallet, and automated trading bots including DCA, grid, and martingale strategies.

Source
KuCoin: What platforms does KuCoin support?

KuCoin is available as a web-based interface and native iOS and Android mobile apps with TradingView chart integration.

Source
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