How Waltio, Kubera, P2P.org and CMT Digital ship faster with Zerion API
Reliable, enriched wallet data across 42 chains for funds, custodians, and accounting tools — with the uptime and support to match.
Real teams, real results
How accounting & institutional teams ship faster on the Zerion API — the challenge each faced, and what they built with it.
Crypto tax assistant generating compliant reports for European users.
Challenge
Waltio needed accurate, detailed aggregation of complex DeFi positions — reliable, comprehensive wallet portfolio data across many blockchains — to deliver tax reporting and portfolio insights users can trust.
Solution
Waltio used the Zerion API's wallet positions endpoints to fetch DeFi and token positions from multiple blockchains in a single call, offering detailed, reliable tax reporting without additional blockchain infrastructure.
Institutional, non-custodial staking infrastructure across many PoS networks.
Challenge
P2P.org required comprehensive visibility into staked positions across multiple networks to provide detailed, accurate performance analytics for its clients.
Solution
P2P adopted the Zerion API's complex positions endpoint to streamline retrieval of staked holdings across chains, delivering precise, in-depth analytics and greater transparency for staking clients.
Premium personal finance dashboard to track net worth across all assets.
Challenge
Kubera needed reliable, detailed wallet positions data to accurately track users' onchain holdings as part of their overall wealth portfolios.
Solution
Kubera used the Zerion API's token and DeFi positions endpoints to get comprehensive wallet data, enhancing its all-in-one portfolio tracking.
Early-stage Web3 VC investing across crypto and blockchain.
Challenge
CMT Digital needed robust wallet data for precise portfolio analytics and investment management.
Solution
CMT Digital integrated Zerion's complex positions endpoint to fetch detailed DeFi portfolio data for informed investment decisions.
Real results from teams shipping with Zerion API
Wallets, agents, consumer apps, and institutions — all built on the same API.
Endpoints
Portfolio Data
Track tokens, NFTs, and balances across EVM & Solana with a single call.
Explore the Portfolio Data API
One API, every major chain
Ethereum, Base, Solana, Arbitrum, Optimism and 37 more networks — queried in a single call.
Ethereum
Base
Solana
Arbitrum
OptimismEthereumBaseSolanaArbitrumOptimismEthereumBaseSolanaArbitrumOptimismEthereumBaseSolanaArbitrumOptimismEthereumBaseSolanaArbitrumOptimismEthereumBaseSolanaArbitrumOptimism
Polygon
Avalanche
BNB Chain
Robinhood
Linea
ScrollPolygonAvalancheBNB ChainRobinhoodLineaScrollPolygonAvalancheBNB ChainRobinhoodLineaScrollPolygonAvalancheBNB ChainRobinhoodLineaScrollPolygonAvalancheBNB ChainRobinhoodLineaScrollPolygonAvalancheBNB ChainRobinhoodLineaScroll
Zora
Celo
Gnosis
Fantom
Aurora
HyperEVMZoraCeloGnosisFantomAuroraHyperEVMZoraCeloGnosisFantomAuroraHyperEVMZoraCeloGnosisFantomAuroraHyperEVMZoraCeloGnosisFantomAuroraHyperEVMZoraCeloGnosisFantomAuroraHyperEVMWhy accounting & institutional teams
build on Zerion
Ship faster
Live in minutes
One key, one request, and you're serving portfolio data. No nodes, no indexers, nothing to maintain.
Reliability
Battle-tested at scale
The same infrastructure behind Zerion Wallet and the industry's biggest wallets.
Real-time
Fresh with every block
Balances, positions, and transactions that move with the chain. Never stale, never guessing.
Coverage
Every chain, one schema
EVM and Solana, normalized into a single response. One integration covers everything your users touch.
Stay ahead with the Zerion API
New endpoints, chains, and webhooks — straight to your inbox.
Simple, transparent tiers
Start building for free. Upgrade as you scale.
DeFi Positions, Wallet Portfolio Chart, and Wallet P&L endpoints are limited to 25% of every plan quota and aren’t covered by overages.
For early prototypes and proofs of concept
Get started free- 2K requests / day
- 3 RPS limit
- Chat widget
- Best effort support
For shipping MVP without running any Infrastructure
Start building- Up to 250K requests / month
- 10 RPS
- Telegram group
- Priority support
For apps preparing for launches or already in production
Start building- Up to 1M requests / month
- 25 RPS
- Slack or Telegram channel
- Priority support
Custom pricing & features
For scale-ups & enterprises with high volume or custom needs
Contact salesWhat can you build?
Wallets & Stablecoins
Power portfolio views, transaction history, and in-app swaps with one API — across every chain and stablecoin your users hold.
Fintech & Neobanks
Add portfolio charts, PnL, and transaction history to your app — no blockchain node to stand up, no infra to maintain.
AI Agents
Wallet holdings, DeFi positions, and PnL in a single call. Pay per request with x402 on Base — no subscriptions, no keys.
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Trusted by the companies you know
From multichain wallets to onchain apps — teams build on Zerion API.
“Zerion API powers Kraken 2.0 with reliable token balances, P&L, and transaction history through one consolidated integration, making it easier to scale to more users.”
“We've worked with Zerion API since day zero, even before launching Uniswap Wallet. From multichain positions to EIP-7702 batching, they've been key partners.”
“We use Zerion in production across the Base App, from transaction history to real-time PnL. It's scaled with us from the first rollout to millions of users, including our expansion to Solana. The data just works, and their team moves as fast as we do.”
“Zerion's transaction and portfolio APIs power Privy's wallet experience. Everywhere we show wallet balances in the dashboard is powered by Zerion. Their reliable data has given our engineers the speed and reliability to deliver a core part of Privy's value to developers.”
Built for developers.
Trusted by enterprises.
Give wallets, AI agents, and consumer apps reliable access to wallets, positions, transactions, and DeFi data across chains.
FAQ
If you have any questions