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How to power your business with crypto exchange API: Seamless swaps for any platform powered by LetsExchange

Apr 17, 2025 4 min read

​​Integrating cryptocurrency exchange capabilities into your platform can significantly enhance user experience, broaden service offerings, and unlock new revenue streams. The LetsExchange API provides a comprehensive solution for businesses that aim to incorporate instant crypto swaps into their applications, services or platforms. ​

Understanding the LetsExchange API

The LetsExchange API offers programmatic access to a vast array of functionalities. Its main features are the following:​

  • Seamless integration: The API is built for seamless integration. It requires minimal development resources, making it easy for teams to add full-featured crypto exchange capabilities without overhauling their existing systems.​
  • Customizable revenue model: Partners have full control over monetization for both regular and DeFi swaps, with revenue-sharing options of up to 50% – so you earn while your users swap.
  • 24/7 partner assistance: Our assistance team is available around the clock to guide you through integration, answer questions, and ensure your workflow stays on track without interruptions.

How the LetsExchange API works

With the LetsExchange API, you can easily integrate crypto swap functionality into your product. Here’s what you and your users will be able to do:

  • Access the full list of supported cryptocurrencies and networks to power flexible swap options. 
  • Fetch exchange rates in real-time for any trading pair (including cross-chain).
  • Create and execute swaps instantly.
  • Monitor swap status.

These core features are wrapped in a seamless integration experience designed to save you time and offer your users fast, secure crypto swaps.

Want to see how it all works under the hood? Check out the API documentation for all the technical details.

Integration use cases

LetsExchange API is suitable for various applications across the cryptocurrency ecosystem. The main ones are the following.

Crypto wallets

By integrating the API, wallet providers can offer in-app crypto swapping. This not only enhances the convenience of the swapping process but also allows wallets to increase the engagement among users. For instance, Defexa Wallet expanded its swap capabilities by incorporating the LetsExchange API and provided users with access to a broader range of cryptocurrencies. ​

Payment processors

The LetsExchange API can enable merchants to accept a wide array of cryptocurrencies by converting them into preferred tokens or fiat currencies in real time. CryptoCloud integrated the LetsExchange API to allow online merchants to accept numerous digital coins and tokens as payment for goods and services.

Exchange platforms

Exchange platforms can enhance liquidity and expand trading pairs with the LetsExchange API. For example, CoinoSwap, a non-custodial crypto swap exchange aggregator, partnered with LetsExchange to provide users with seamless access to a vast range of trading pairs at competitive rates.

Decentralized Applications (dApps)

LetsExchange API can help dApps to facilitate token swaps, improve user experience, and retain users within the ecosystem.​

Unlock new revenue streams

Integration of the LetsExchange API not only enhances service offerings but also opens up additional revenue opportunities.

Earn transfer commissions

It allows you to earn a commission on each swap performed through your platform. The basic affiliate fee is 0.2% of the exchange amount, and partners can adjust their affiliate commission to align with their strategy.

Increase user engagement

Offering seamless crypto swaps can attract more users to your platform. It can lead to higher transfer volumes and revenue.​

Enhanced service portfolio

By offering crypto exchange functionality and access to a wide range of coins and tokens, your platform becomes a one-stop destination for users. This can increase customer satisfaction, boost engagement, and reduce churn.

Security and compliance

Security is crucial for operations with cryptocurrency. LetsExchange takes the following measures to ensure secure operations through its API:

  • LetsExchange integrates Anti-Money Laundering (AML) verification processes to ensure that only assets that have not been involved in illicit activities are swapped. 
  • LetsExchange partners exclusively with reputable liquidity providers, which significantly reduces risks associated with crypto swaps.
  • Each partner is assigned a dedicated account manager who provides ongoing support, helping with setup, optimization, and any other questions related to API integration or performance.

Getting started with LetsExchange API

To integrate the LetsExchange API into your platform, follow these steps:​

  1. Register and obtain API keys: Create an account on the LetsExchange platform and generate your API keys from the developer section.
  2. Review documentation: Familiarize yourself with the API documentation to understand the endpoints, request structures, and response formats.
  3. Implement API calls: Integrate the API into your platform using the provided endpoints for authentication, coin retrieval, rate calculation, transfer creation, and status monitoring. 
  4. Test transfers: Before deploying the API in a live environment, conduct test transfers to verify functionality, security, and user experience. 
  5. Go live and optimize: Once testing is successful, deploy the API, continuously monitor its performance, and optimize it when needed.

Why choose LetsExchange API?

LetsExchange API stands out due to its broad cryptocurrency support, cross-chain swap capabilities, security measures, and revenue-sharing flexibility. It enables businesses to offer instant, seamless crypto exchanges without the need for extensive blockchain expertise or costly infrastructure.

By integrating LetsExchange, companies in various sectors (crypto wallets, payment gateways, DeFi platforms, gaming applications, and fintech services) can expand their offerings, attract new users, and generate additional revenue.

With a straightforward integration process and extensive documentation, LetsExchange API is an optimal solution for any business looking to power its platform with secure and automated crypto swaps. 

For more details and to start integrating the LetsExchange API, visit the official API documentation.