How the API Works

The integration of the Changelly crypto exchange API typically takes around 5 days.

Here are the steps you need to take before you integrate our crypto trading API:

1. Create an Account: Sign up on Changelly or log in if you already have an account.
2. Request API Keys: Send your account email, a brief description of your project, and a link to your project to pro@changelly.com.
3. Receive API Documentation: Access comprehensive API documentation that will guide you through the process.
4. Integrate our crypto API: Use the provided REST API or WebSocket API endpoints to connect your wallet to Changelly and gain access to real-time market data and historical market data.
5. Test the Integration: Ensure the integration went well by running tests and verifying that all functionalities, including access to real-time and historical data, work as expected.
6. Go Live: Once testing is complete, you can start processing transactions, accessing real-time market data, and utilizing historical data.

Changelly prioritizes security by implementing the following measures:

• Encryption: All data transmitted through the Changelly crypto API is encrypted using industry-standard protocols.
• 24/7 Monitoring: Our technical and user support teams monitor the system around the clock to detect and resolve any issues promptly.
• Secure API Keys: Each user receives unique WebSocket and REST API keys to ensure secure and authorized access.
• Open-Source Smart Contracts: Our open-source smart contracts provide transparency and security.

Changelly's crypto exchange API does not impose strict limits on the number of transactions. However, the specifics can depend on your trading plan and the agreed-upon terms during the integration process. For detailed information, it's best to contact our support team.

No, there are no fees for listing after integrating the Changelly cryptocurrency exchange API. The integration is completely free, and there are no hidden costs associated with listing cryptocurrencies.

Yes, successful integration of any Changelly crypto exchange API can open up opportunities for cross-marketing campaigns. We are open to discussing potential marketing collaborations to help promote both our services. Please explore the Tangem case to know more about our cross-marketing mechanics available link.

The need for a license depends on the regulatory requirements of your jurisdiction. We recommend checking with local regulatory authorities to ensure compliance. Changelly does not require a specific license for API access but you will need to adhere to legal and regulatory standards in your area.

Yes, you can add additional fees. Contact us for details.

Using Changelly's crypto payment platform is free of charge. There are no integration fees, and businesses can set their additional fees on top of the standard Changelly exchange fee, ranging from 0.1% to 5% per transaction, allowing you to earn extra income from API trading.

Changelly's crypto trading API supports over 700 cryptocurrencies across 170+ blockchains, offering access to more than 330,000 unique trading pairs.

To obtain more than one API key for your projects, you need to make a new API key request by contacting our support team. Specify the reason for needing multiple API keys and provide any necessary project details to facilitate your request.

Changelly's API can provide you with the best crypto API setup for a wide variety of applications, such as trading bots, real-time market data access, cryptocurrency trading platforms, wallets, and other crypto-related services.