The blockchain industry is growing faster than ever, with the digital asset ecosystem projected to reach $45.3 billion by the end of 2025, according to Statista. This surge has led to an increased demand for robust, reliable, and scalable API solutions. Recently, Changelly was ranked as the #1 blockchain API provider by the International Business Times, a globally recognized digital business publication.

Let’s take a closer look at the ranking.

Changelly Secures the Top Spot Among Blockchain API Providers

In March 2025, Changelly was ranked as the #1 blockchain API provider by the International Business Times, a globally recognized digital business publication. IBT is known for its in-depth coverage of economic transformation, seeking out the truth, and promoting freedom through independent journalism.

Securing the top spot in this ranking is a huge milestone for us, especially considering the competition in this space. We are proud to stand alongside some of the biggest players in the industry, reaffirming our commitment to delivering innovative, fast, and reliable crypto API solutions.

Now, let’s explore the other key players in this competitive landscape.

The Complete Rundown: Top Blockchain API Providers in 2025

Here’s a look at the top API providers that made it into this year’s ranking, including their standout features and what makes them unique.

1. Changelly

Changelly’s API is designed for seamless integration, allowing businesses to offer crypto exchanges with over 1,000 coins across 185 blockchains and 330,000+ trading pairs. We ensure competitive rates, instant swaps, and strong security compliance, including AML/KYC measures. Our API is trusted by leading crypto wallets, aggregators, and Web3 platforms, providing 15-minute average swap times and integration within just three days.

Want to integrate Changelly’s API into your platform? Learn more here.

2. SimpleSwap

SimpleSwap offers businesses a flexible integration solution, supporting over 1,500 cryptocurrencies across 50+ blockchains. It aggregates liquidity from both centralized (CEX) and decentralized exchanges (DEX), catering to wallets, aggregators, and GameFi projects. SimpleSwap’s fee model starts at 0.4%, with customizable rates up to 5% through its affiliate program, making it an appealing option for partners looking to monetize their crypto services.

3. ChangeNOW

ChangeNOW provides an extensive exchange API, covering 900+ crypto assets and 319,000+ trading pairs. With 99.99% uptime and a 350ms response time, it ensures high performance. The platform is trusted by industry leaders like Exodus, Trezor, and Bitcoin.com, offering non-custodial and custodial solutions to businesses seeking seamless crypto integrations.

4. OnRamper

OnRamper is a fiat-to-crypto onramp aggregator that integrates 25+ onramps and supports 130+ payment methods through a single API. Covering 190+ countries, it streamlines fiat-to-crypto conversions, reducing development time by 95% with its plug-and-play integration. The platform’s routing engine optimizes transactions across 70+ data points, lowering KYC requirements for smaller transactions and saving users an average of 2.52% through fee-based routing. OnRamper partners with SushiSwap, Coinbase Wallet, and Bitcoin.com and offers a white-label widget for increased transaction success rates.

5. Coinbase Commerce

Coinbase Commerce provides an institutional-grade exchange API, emphasizing security and liquidity. It offers deep liquidity pools, a FIX and REST API, and WebSocket feeds for real-time market data. The platform’s Liquidity Program enables competitive pricing and discounts based on trade volume. Coinbase provides FDIC insurance up to $250,000 for USD balances and follows a compliance-focused approach while remaining unregistered with the SEC and CFTC. 

6. OKX

OKX’s API suite supports trading across spot, margin, futures, and options for 100+ digital assets. It offers three API types: Trading API, Data API, and Investment & Services API, serving both retail and institutional clients. Security features include REST and WebSocket API implementations, with mock trading environments for testing. 

7. Cryptopocket

Cryptopocket specializes in Euro-based fiat on/off ramp services, operating under the Bank of Spain’s regulatory framework. It provides API tools for websites, apps, and blockchain projects, supporting gaming tokens, NFT markets, and institutional businesses. Cryptopocket integrates with major DEX liquidity pools and supports multiple cryptocurrencies, including BTC, ETH, BNB, USDT, and USDC. With instant transactions and white-label solutions, the platform enables businesses to implement secure and fast fiat-crypto transactions while maintaining user custody control.

Changelly’s Recent Wins: A Year of Recognition

This latest ranking follows a string of industry awards that solidify Changelly’s position as a leading blockchain API provider.

Outstanding Global Crypto Exchange API Provider

In 2024, World Business Outlook Awards named Changelly the Outstanding Crypto Exchange API Provider globally. This recognition highlights our dedication to offering secure, fast, and user-friendly API solutions that help businesses integrate crypto exchange services effortlessly.

Outstanding Blockchain Technology Provider

Adding to our achievements, Changelly also won the Outstanding Blockchain Technology Provider award at the FinanceFeeds Awards 2024. This reflects our ongoing mission to deliver innovative solutions that meet the growing needs of the crypto industry.

Empowering Global Partners with Seamless API Solutions

Our API has been praised for its stability, extensive functionality, and ease of integration. It enables businesses to provide instant crypto swaps, fiat on-ramp/off-ramp services, and other essential crypto tools with minimal technical effort. We’ve earned the trust of over 600 partners, including industry leaders like Ledger, Exodus, Trezor, Enjin, and MyTonWallet.

With a decade of experience, 7M+ registered users, and a 99.9% uptime, our API continues to set the standard for crypto integration.

Final Thoughts

The blockchain API landscape is more competitive than ever, with providers offering unique solutions tailored to different business needs. Changelly’s top ranking among these industry leaders highlights our dedication to providing fast, secure, and feature-rich API solutions that help businesses seamlessly integrate crypto services.

Disclaimer: Please note that the contents of this article are not financial or investing advice. The information provided in this article is the author’s opinion only and should not be considered as offering trading or investing recommendations. We do not make any warranties about the completeness, reliability and accuracy of this information. The cryptocurrency market suffers from high volatility and occasional arbitrary movements. Any investor, trader, or regular crypto users should research multiple viewpoints and be familiar with all local regulations before committing to an investment.