Most trusted crypto

Well-known Crypto

Exchange APIon the market
Explore API docs
10Years on the crypto market
600+Partners
10m+Registered users
99.(9)%Uptime
Testimonials
top instant exchange 2025outstanding financial technology provider#1 financial api provideroutstanding exchange api provider
Testimonials are subjective and not a measure of trading reliability. Always consider the risks involved in cryptocurrency trading

What We Bring to the Table

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1000+ cryptos across
185+ blockchains

Get access to over 330,000 unique pairs

How the API Works

See our API in action. Implementation typically takes around 3 days

1. Choose a pair
2. Enter wallet address
3. Send funds
1. Choose a pair
2. Enter wallet address
3. Send funds

First-hand Experience
Past experiences shared here are not indicative of future results

Excited to work with Changelly Team

We are very excited to make Changelly available to our users, and it's such a pleasure to work with the Changelly team. They are professional and dedicated to our coopiration.

Changelly API Delivers Outstanding Reach

One of the great benefits of integrating Changelly API is the marketing potential it brings. The 2024 St. Valentine’s Day collaboration between Changelly and Tangem reached 1.18 million people, generating high engagement and positive community feedback. This campaign successfully increased awareness of both brands and their unique offerings, which is crucial for community building and long-term business goals.

Changelly Is Where Security Meets User Satisfaction

Since partnering with Changelly in 2018, we've seen a 30% rise in user engagement and a 25% growth in transaction volume, all while maintaining excellent wallet safety. Integrating Changelly API has significantly enhanced our user experience by blending security with convenience — proving you don't have to choose between the two.

Skilled Team, Smooth Integration

Working with Changelly API has been both easy and beneficial to us. The integration has allowed us to meet our users' needs for seamless in-wallet crypto swaps. As a result, in 2023, we completed over 2,500 exchanges, generating more than $10,000 in revenue. Also, the team at Changelly is top-notch and always ready to help, so our experience has been awesome.

Try for Yourself

Make smart decisions with our smart solution. Fill out the form to request your API keys and contact our sales team

Widget: A Considered Option

Discover an alternative way to integrate exchanges into your platform with our widget. Perfect for those without developers, it offers easy iframe embedding and can be integrated within a day

foolproof widget

Our Solutions

Discover more products to help your business grow

Explore API docs

Fiat-on-ramp

for business

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Top Onramp Providers

API or iframe integration

Fast and Free set-up

150+ Fiat Currencies

We do not store your funds

Flexible processing fees

Crypto

Exchange API

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More than 1000 crypto assets

Free integration

Flexible commissions

15 minutes per completed exchange

24/7 Support

Custom Crypto

Checkouts

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Global reach

Custom Crypto Checkouts

Tiny and flexible processing fees

200+ Cryptocurrencies

Fast and Free set-up

Any Questions?
Let’s discuss them

How long does the crypto exchange API integration take? What are the integration steps for Changelly API with our wallet?

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.

How can we ensure that Changelly API transactions are secure?

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.

Are there any limits on the number of transactions we can process through the API?

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.

Should we pay for listing after cryptocurrency exchange API integration?

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.

In case of success, can we launch any cross-marketing campaigns?

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.

Do I need a license to onboard?

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.

Can I earn on this API?

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

What are the fees to use your crypto payment platform?

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.

How many currencies do you support?

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

How can I get more than one API key?

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.

Let's talk

We’re ready to discuss your questions and conditions