Complete Sonic API Product Suite
Production-ready endpoints that power the next generation of Base applications.
Get comprehensive wallet holdings with real-time pricing and portfolio analytics
Monitor DeFi positions across thousands of protocols with detailed yield and risk analytics
Access enriched transaction data with smart contractinteraction details
Subscribe to wallet activities with real-time notifications and custom triggers
Track portfolio performance with detailed profit and loss calculations
Our API is designed for flexibility. Request custom data aggregations, specialized analytics, or enterprise-specific endpoints.
Trusted by Leading dApps, Wallets, and Enterprises
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Why Choose Our Sonic API?
Data updates within milliseconds of new blocks.
Used by apps serving millions of onchain users.
Integration
Add blockchain data to apps without any backend work
Sonic Network Snapshot
Sonic is a high-performance Layer-1 network designed for speed, scalability, and low-cost execution. Built with a modular architecture and leveraging the latest advancements from the Sonic Foundation, the chain is optimized for real-time execution and high-throughput workflows. Developers can deploy EVM-compatible smart contracts without additional tooling, while users benefit from near-instant transactions and a seamless experience across DeFi, gaming, and consumer apps.
Sonic maintains tight compatibility with Ethereum standards while introducing performance enhancements that significantly reduce latency and finality times. This makes it an attractive environment for builders who need a fast, low-fee execution layer backed by a growing ecosystem and strong infrastructure.
Key features
- EVM compatibility
- Sub-second finality
- Fee monetization: developers earn 90% of the network fees from their apps
Built for Consumer Scale and Enterprise Reliability
Powering applications from startups to fintech companies with infrastructure that scales seamlessly and delivers consistently.
RPS
Guaranteed
Uptime
Infrastructure Built to Scale
Supports Base and all other chains — one call does it all.
Ideal for wallets, trackers, fintech, AI agents, and more.
Zerion API requires no nodes or infrastructure from your side.
Only fetch portfolio data when there are new transactions.
Fetch a full portfolio (tokens, DeFi, NFTs) from one endpoint.
Built for Consumer Scale and Enterprise Reliability
Simple, Transparent Tiers
Start building for free. Upgrade as you scale.
For solo builders and teams who want to test before scaling.
For useful data analysis.
Built to ship real products.
For scale-ups & enterprises with high volume or custom needs
Real results from teams shipping with Zerion API
Trusted by Industry Leaders
Join thousands of satisfied developers who trust our APIs for their mission-critical applications.
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helped validate key wallet use-cases well before Warpcast Wallet even existed."
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Ready to Build the Future?
Join the thousands of developers already building on our platform. Start with our free tier and scale as you grow.
Start Building for FreeNo credit card required • 5 minute setup • 24/7 support
FAQ
Use Zerion API's wallets/address/positions endpoint to retrieve all token balances associated with any Sonic wallet address. If you don't set a filter by chain, you can also get token positions across all chains with a single call.
Yes, querying Zerion API's wallets/address/positions returns the latest balance data and updates as the wallet changes over time.
Yes, Zerion API unifies wallet data across all supported networks. You can fetch positions on Sonic and all other major EVM chains with a single call.
Call Zerion API's wallets/address/positions once and get all positions for that address, including on Sonic and all other supported EVM chains.
Still have questions?
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