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Seamless cross-chain swaps
<for dApps and DeFi>

Cross-chain swaps and bridges for 1000+ assets, 150+ chains,
with fiat processing — all in one turnkey solution for dApps

99.999%
Uptime
1 min
Sign-Up
24/7
Support
5 mins
Exchange Processing

What <we offer>

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Why dApps should <choose us>

All trending blockchains

All trending blockchains

Support for over 1000+ cryptocurrencies and 150+ blockchains, including rare combinations. From well-known cryptocurrencies to the latest projects.

Custom Solutions for dApp devs

Custom Solutions for dApp devs

dApp developer kit, whitelabel option, token migration services, cross-chain bridges and market-making.

Enable fiat purchases and withdrawals

Enable fiat purchases and withdrawals

Enable fiat purchases and withdrawals via our crypto exchange API or widget, allowing users to buy and sell crypto with fiat money.

Ecosystem for dApp development

Ecosystem for dApp development

Create a token for your dApp, enable crypto payments, set up nodes, expand your infra and more.

Access to DEX liquidity

Access to DEX liquidity

Liquidity is sourced from multiple DEXs, ensuring users get the best exchange rate at the moment of the transaction.

Cross-chain swaps

Cross-chain swaps

Cross-chain swaps for over 150+ blockchains, including BTC to XMR, ETH to BTC, and USDT TRC20 to USDT ERC20, along with many other combinations.

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<Bonus Features>
for dApps with their own Tokens
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Blockchain Bridges
Let users migrate from one chain to your token mainnet right within your dApp
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Market Making
List your dApp token even if it is not on any major exchanges – be your own market-maker
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Asset Listing
Let your dApp users swap to and from your token on ChangeNOW and within your dApp
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dApps <developer kit>
API
arrow
  • dApps Crypto Exchange API offering cross-chain swaps
  • Easy to integrate into your custom dApp
  • Integration support provided
Widget
arrow
  • Crypto exchange widget for cross-chain swaps
  • Can be embedded in under 5 minutes in the html code of your dApp's website
  • Perfect way to let users swap crypto inside your dApp
White Label
arrow
  • Create your own dApp using our whitelabel exchange or wallet
  • Contact our BD team to discuss possibilities

POST

Create conversion

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curl --location 'https://api.changenow.io/v2/exchange' 
--header 'Content-Type: application/json' 
--header 'x-changenow-api-key: your_api_key' 
--data '{
    "fromCurrency": "btc",
    "toCurrency": "usdt",
    "fromNetwork": "btc",
    "toNetwork": "eth",
    "fromAmount": "0.1",
    "toAmount": "",
    "address": "0xD1220A0cf47c7B9Be7A2E6A89F429762e7b9aDb",
    "extraId": "",
    "refundAddress": "",
    "refundExtraId": "",
    "userId": "",
    "payload": "",
    "contactEmail": "",
    "source": "",
    "flow": "standard",
    "type": "direct",
    "rateId": ""
}'
dApps with ChangeNOW
Trusted by:
<Use cases>
DeFi Platforms
arrow
  • Source liquidity from multiple DEXs and/or CEXs
  • Expand asset range
  • Add trending chains for cross-chain swaps
Check Rubic and OKX DeFi platforms for integration examples
Social dApps
arrow
  • Monetize your traffic by embedding a crypto exchange widget
  • Provide your dApp token with more utility
Tokens & Airdrops & Reward dApps
arrow
  • List your token on our exchange
  • Allow users to swap to your token inside your dApp
  • Use the NOW Solutions ecosystem for token presale and token distribution
Gaming & Gambling dApps
arrow
  • Let users swap crypto right in-game
  • Let swap in-game tokens into fiat
  • Support various chains, including collabs with other dApps and their cryptocurrency
  • Process large transaction volumes
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<Contact us> for assistance
برای تماس با تیم ما، لطفاً فرم زیر را پر کنید. ما به درخواست شما سریعاً پاسخ خواهیم داد.

<FAQ>

How to integrate ChangeNOW into my dApp?
To integrate ChangeNOW into your decentralized application (dApp), you can use the ChangeNOW API. Here’s how:
  • Get API Key: Register on the ChangeNOW platform to obtain your API key.
  • API Documentation: ChangeNOW offers comprehensive documentation that guides you through the whole integration process.
  • Implementation: Follow the step-by-step guide to implement the API, enabling crypto exchange functionality within your dApp.
Are crypto exchanges dApps?
Not all crypto exchanges are decentralized. Traditional exchanges are centralized, meaning they are operated by a central entity. However, some exchanges, known as decentralized exchanges (DEXs), function as dApps, facilitating peer-to-peer trading without intermediaries.
How to create a dApp?
Creating a dApp involves several main steps:
  • Choose a Blockchain: Select a blockchain platform like Ethereum or Binance Smart Chain.
  • Smart Contracts: Build smart contracts using languages like Solidity.
  • Development Tools: Utilize tools like Truffle or Hardhat for development.
  • Frontend and Backend Development: Create your app's front and back end.
  • Deployment: Deploy your smart contract, making your dApp accessible to users.
What is a crypto exchange API?
A crypto exchange API allows developers to integrate exchange functionalities into their dapps. The API provides endpoints for:
  • Exchange: Execute buy and sell orders.
  • Market Data: Retrieve real-time market information.
  • Account Management: Access and manage user accounts and transaction histories.
ChangeNOW offers a robust crypto exchange API for seamless integration.
What are cross-chain swaps?
Cross-chain swaps enable the exchange of cryptocurrencies across different blockchains without the need for a centralized exchange. This allows users to swap tokens from one blockchain to another directly and securely.
Can I earn with ChangeNOW?
Yes, you can earn with ChangeNOW through various means:
  • ChangeNOW crypto exchange kit: Integrate ChangeNOW crypto exchange tools and set your own commission.
  • ChangeNOW Crypto Affiliate Program: Earn crypto by referring users to ChangeNOW.
  • NOW Token Staking: Stake NOW tokens to earn rewards.
  • Airdrops and other Events: Participate in airdrops by ChangeNOW> to get free crypto.
What is ChangeNOW fee?
ChangeNOW operates with a transparent fee structure. The platform charges a dynamic fee for transactions, which is included in the exchange rate. There are no hidden fees, ensuring you get the best rate for your crypto exchanges. Network fees and all other exchange charges are included in the rate.