# Changelly > Exchange any crypto instantly. Changelly enables users to swap cryptocurrencies instantly by aggregating exchange rates across platforms, buy crypto with fiat currencies, and access DeFi swaps. Changelly facilitates instant cryptocurrency swaps, fiat-to-crypto purchases, and DeFi exchanges by aggregating rates from centralized and decentralized platforms. Users can exchange assets across different blockchains without holding funds on the platform. The self-custodial architecture sends crypto directly to user wallets after transactions complete, supporting trading activities while maintaining asset control. - Type: Company - Sector: Finance - Status: Active - Founded: 2015-04-01 - Profile: https://thegrid.id/profiles/changelly ## Products - [Changelly Exchange](https://thegrid.id/profiles/changelly): Changelly Exchange aggregates cryptocurrency exchange rates across centralized platforms to facilitate instant cross-chain swaps. The system queries rates from integrated exchanges in real-time, presenting optimal execution prices for cryptocurrency pairs. Users initiate transactions by specifying swap pairs and destination wallet addresses, with the platform routing orders through partnered exchanges for settlement. (Centralised Exchange, Live, Main Product) - [Changelly PRO](https://thegrid.id/profiles/changelly): Changelly PRO implements a centralized exchange architecture supporting spot trading, margin trading, and perpetual futures contracts. The platform provides order book liquidity, trading pairs denominated in BTC, USDT, ETH, and DAI, with custody of user assets during active trading sessions. Technical features include leverage for margin positions, a trading terminal interface, and tiered fee structures based on trading volume. (Centralised Exchange, Live) - [Changelly DeFi Swap](https://thegrid.id/profiles/changelly): Changelly DeFi Swap aggregates decentralized exchange liquidity across protocols to execute on-chain token swaps within single blockchain networks. The system integrates with DEX aggregators including 1inch and 0x, routing transactions through smart contracts that determine optimal paths across multiple liquidity pools. Swap execution occurs directly on-chain without third-party custody, supporting ERC-20 tokens and tokens on Binance Smart Chain, Polygon, Arbitrum, and other EVM-compatible networks. (DEX Aggregator , Live) - [Changelly PAY](https://thegrid.id/profiles/changelly): Changelly PAY provides merchant payment processing infrastructure for accepting cryptocurrency payments with automatic fiat conversion. The system integrates via API to enable businesses to receive payments in multiple cryptocurrencies while settling in fiat currencies. Implementation includes payment gateway integration, transaction processing, and compliance tooling for e-commerce platforms, online services, and GameFi applications. (Merchant Payment Gateway, Live) - [Changelly API](https://thegrid.id/profiles/changelly): Changelly API enables developers to integrate cryptocurrency exchange functionality into applications through REST endpoints. The API supports both centralized exchange aggregation and DeFi swap routing, providing access to Multiple cryptocurrencies across various blockchains. Implementation includes exchange rate queries, transaction initiation, and order status tracking, with authentication via API keys and optional custom fee structures for API partners. (Developer Tooling, Live) ## Links - [Main](https://changelly.com) - [Blog](https://changelly.com/blog) - [Documentation](https://changelly.com/faq) - [Terms of Service](https://changelly.com/terms-of-use) - [Privacy policy](https://changelly.com/privacy-policy) - [Twitter / X](https://x.com/changelly_team) - [Telegram](https://t.me/changelly) - [Instagram](https://instagram.com/changelly_team) - [YouTube](https://youtube.com/@changelly) - [Reddit](https://www.reddit.com/r/Changelly) - [LinkedIn](https://linkedin.com/company/changelly) - [Facebook](https://facebook.com/changellyteam) ## Legal This data is provided under two licensing models. Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. Attribution is required: include "Powered by The Grid" linking to https://thegrid.id wherever the data is used. 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