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Crypto · head to head

KuCoin vs Polygonscan

KuCoin logo

KuCoin

Crypto

The people's exchange for crypto

From
Free
Rated
-
Full reviewWebsite
Polygonscan logo

Polygonscan

Crypto

Polygon PoS chain explorer

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: KuCoin unavailable for U.S. traders until at least 2027 following regulatory issues; U.S. users have only withdrawal access; Polygonscan the PolygonScan API page now redirects to Etherscan's unified multichain API pricing, so Polygon data is bought under Etherscan plans rather than a PolygonScan-specific one
  • They diverge on capability: KuCoin covers Spot Trading, Polygonscan covers Block Explorer.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which KuCoin and Polygonscan actually diverge.

Attributes where KuCoin and Polygonscan differ
AttributeKuCoinPolygonscan
Pricing modelUnknownfreemium
PlatformsWeb, iOS, AndroidWeb, Api
Founded20172021

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 KuCoin

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

Only in Polygonscan

  • Block Explorer
  • Transaction Tracking
  • Token Tracker
  • Contract Verification
  • Bridge Monitor
  • Polygon PoS
  • ERC-20 tokens
  • Api support

Both cover

  • Web support

What people use each for

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

KuCoin

  • Exchangesnot Polygonscan
  • Tradingnot Polygonscan
  • Altcoinsnot Polygonscan

Polygonscan

  • Exploring Polygon transactions, addresses and token transfersnot KuCoin
  • Verifying and reading Polygon smart contract source codenot KuCoin
  • Querying Polygon on-chain data through the explorer APInot KuCoin

Where each one falls short

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

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

Polygonscan

  • The PolygonScan API page now redirects to Etherscan's unified multichain API pricing, so Polygon data is bought under Etherscan plans rather than a PolygonScan-specific one
  • The free API plan is capped at 3 calls per second and 100,000 calls per day and requires attribution
  • API Pro endpoints start at the Standard plan at $199 per month
  • Rate limits top out at 30 calls per second even on the $899 per month Pro Plus plan
  • Metadata CSV export and dedicated support require Metadata Enterprise, which is quoted by contact with no published price

Pricing, plan by plan

KuCoin

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

Polygonscan

Free
  • FreeFree
    • Block explorer
    • 5 API calls/sec
    • Token tracker
  • Pro$199/month
    • Higher rate limits
    • Advanced APIs

Which should you pick?

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

Choose Polygonscan if

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

Questions people ask

Is KuCoin or Polygonscan better?
Neither clearly leads. KuCoin starts at Free and Polygonscan at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, KuCoin or Polygonscan?
KuCoin starts at Free and Polygonscan at Free.
Does KuCoin or Polygonscan run on more platforms?
KuCoin runs on Web, iOS, Android. Polygonscan runs on Web, Api.
Can I use KuCoin for free?
Both have a free tier, so you can try either at no cost before committing.
What is KuCoin best used for?
KuCoin is most often used for exchanges, trading, altcoins. Of those, exchanges and trading are not what Polygonscan is typically brought in for.
What can KuCoin do that Polygonscan cannot?
KuCoin covers Spot Trading, Futures Trading, Trading Bots, Lending. Polygonscan covers Block Explorer, Transaction Tracking, Token Tracker, Contract Verification. Both handle Web support.

Answered from the vendors’ own pages

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
Polygonscan: Does Polygonscan have a free API tier?

Yes. Polygonscan redirects to Etherscan's API pricing, which offers a free tier with 3 calls/second limit and up to 100,000 API calls/day on selected chains. Attribution is required for the free tier.

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
Polygonscan: What are the paid API tiers and their costs?

Etherscan offers six paid tiers: Lite ($49/month), Standard ($199), Advanced ($299), Professional ($399), Pro Plus ($899), and Dedicated (custom). All tiers offer discounts for quarterly (10%) or annual (15%) billing.

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

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

Source
Polygonscan: What request limits apply to each tier?

Lite allows 5 calls/second and 100,000 daily calls. Standard provides 10 calls/second and 200,000 daily calls. Advanced offers 20 calls/second and 500,000 daily calls. Professional allows 30 calls/second and 1,000,000 daily calls. Pro Plus supports 30 calls/second and 1,500,000 daily calls. Dedicated offers unmetered calls.

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
Polygonscan: Are subscriptions auto-renewed and can I get a refund?

Stripe billing auto-renews by default unless canceled before the renewal date. Payments are non-refundable and the provider does not issue refunds or credits.

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
Polygonscan: Is there a minimum contract or can I cancel anytime?

No minimum contract is stated. Users can cancel anytime before renewal, though payments already made are non-refundable.

Source
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