Enterprise-Grade Wallet Data API
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Just 1 Request for All EVM + Solana
Get all data across 24+ blockchains with a single call to one of Zerion's REST API endpoints.
Get Portfolio Data
Track tokens, NFTs, and balances across EVM & Solana.
Get All Transactions
Pull full multichain transaction history with just one call.
Get DeFi & Protocol Positions
Fetch active DeFi positions, rewards, and liquidity pools for 8000+ protocols.
Get PnL (Profit and Loss)
Calculate historical gains, losses, and invested value per wallet or position.
Get Alerts for Transactions
Set up webhooks for any wallet address to get real-time notifications for new transactions.
Get NFTs Held by an Address
Analyze owned NFTs, metadata, floor price, and more.
Focus on Building, Not Infrastructure
Stop wrestling with complex blockchain data and infrastructure. Zerion API handles the heavy lifting so you can focus on your product.
Data updates within milliseconds of new blocks.
Used by apps serving millions of onchain users.
Ditch your indexers, get real-time data instantly.
Real results from teams shipping with Zerion API
Built for Consumer Scale and Enterprise Reliability
Add Blockchain Data to Your App
Everything you need to build powerful Web3 applications.
Support for EIP-7702 batched transactions and AA addresses. Easily identify swaps, approvals, transfers, and even custom labels.
Plug-and-play endpoints for building portfolio trackers, wallets, PnL, with just a few lines of code.
Millisecond API responses with built-in enriched token & protocol metadata.
Unified support for all major EVM blockchains and Solana with uniform schema.
Battle-tested for scale, uptime, security, and trusted by institutional partners.
Follow wallet activity, protocol interactions, and token transfers with instant updates via webhooks.
Simple, Transparent Pricing
For solo builders and teams who want to test before scaling.
Empowering compact teams to ship quickly and grow steadily.
Built for growing teams who need performance, support, and flexibility.
Trusted by Industry Leaders
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helped validate key wallet use-cases well before Warpcast Wallet even existed."
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Get in Touch
Ready to start building? Let us know about your project.
Start for free, and scale with usage
Join thousands of developers building the future of Web3 with Zerion API.
Get Free API KeyFAQ
We support Ethereum, Solana, Base, Optimism, Arbitrum, Polygon, Avalanche, and more.
View full list of supported blockchains
If a chain you need isn’t supported yet, you can request it here.
Perfect for testing:
- 3K requests/day
- 2 RPS limit
- Local development only
- Community support
You can track your API usage in your Metabase dashboard, including daily request counts and rate limits.
Just fill out the form below — no credit card required — and we’ll issue you a free developer key to get started.
The Developer plan has fixed usage limits and does not support pay-as-you-go. Once you hit your quota, access will pause until the next cycle. To scale beyond, upgrade to the
Growth plan
or contact us for a custom
Enterprise plan
with higher quotas and dedicated support.
- Growth: For startups and small teams — high volume, production-ready
- Enterprise: For scale-ups needing custom pricing, SLAs, and advanced support
Yes. You can switch plans anytime directly from your dashboard. Upgrades are prorated automatically.
Yes — the Growth and Enterprise plan includes a 99.9% uptime SLA, 24/7 support, and a dedicated account manager.
Absolutely — we accept USDC and other stablecoins for Growth and Enterprise customers.
The default rate limit for a production API key is 150 requests per second (RPS)with no long-term cap. Rate limits can be increased up to 2K RPS upon request — ideal for high-volume apps and enterprise-grade performance.
