Polygon API: Fetch Portfolios, Tokens, Transactions, NFTs, PnL
Complete Polygon 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 Polygon 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
Polygon Network Snapshot
Polygon PoS is a battle-tested Ethereum sidechain that delivers fast, low-cost transactions while maintaining compatibility with Ethereum’s ecosystem. With over 5 years of uptime and millions of active wallets, it is one of the most widely used networks for DeFi, gaming, and real-world asset tokenization.
Key features
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.
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FAQ
You can call Zerion API's /positions endpoint for a wallet with chainID to Polygon. Zerion API returns normalized balances, including ERC-20 tokens, NFTs, and USD values.
Yes. Zerion API's /transactions endpoint provides decoded Polygon PoS transaction activity such as transfers, swaps, approvals, and contract interactions.
Zerion API's /nft-positions endpoint fetches NFT balances and metadata (images, names, collections) so you can display Polygon NFTs just like Ethereum or Solana NFTs.
Yes. Zerion API enriches balances with real-time pricing data, letting you show users their full portfolio value across Polygon and other chains.
No. Zerion API handles all indexing and normalization. You get Polygon PoS wallet data via a simple REST API without the complexity of running infrastructure.
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