Zerion
San Francisco, California, USA
What it is
Zerion is a self-custodial wallet for holding, tracking and moving digital assets across 66 chains. It tracks assets, positions and trades in real time, and provides swaps and bridging with smart routing through decentralized exchanges. Market tools list tokens, networks, perpetuals, tokenized assets and live top movers. The wallet is available on web, iOS, Android and Chrome, Brave, Firefox and Arc extensions. Zerion says it cannot access recovery phrases or private keys; it previews transaction details before signing and flags known phishing sites and malicious apps before connection. Ledger devices can pair with the mobile app, browser extension and web app. Its API offers portfolio, transaction, DeFi, P&L, webhook and NFT endpoints across 42 chains. The API Developer plan is free with 2,000 requests per day and a 3 RPS limit. Zerion Premium Individual costs $99 a year, paid once for 12 months without automatic renewal.
For and against
For
- Supports 66 mainnets and eight testnets
- Real-time portfolio and trade tracking
- Ledger pairing across listed apps
- Transaction previews and phishing warnings
- Free API Developer plan
Against
- Premium costs $99 a year
- API Developer plan limited to 2,000 requests daily
- Swap and bridge discounts require Premium
The verdict
Zerion combines a multi-chain self-custodial wallet with trading, market views and developer APIs. Its security controls and broad platform support are paired with usage limits on the free API plan and a paid individual tier.
Who it suits
Zerion suits digital-asset users who want self-custodial storage, portfolio tracking, swaps and bridging across many networks. Developers can use its API plans for portfolio and transaction data.
Plans and prices
API Developer
2K requests / day · 3 RPS limit · chat widget · best effort support
Read 9 Oct 2026 · zerion.io
Zerion Premium Individual
One wallet · 50% off swap and bridge fees · P&L for any wallet · early access to new features
Read 9 Oct 2026 · zerion.io
API Builder
Up to 250K requests / month · 10 RPS · Telegram group · priority support
Read 9 Oct 2026 · zerion.io
API Startup
Up to 1M requests / month · 25 RPS · Slack or Telegram channel · priority support
Read 9 Oct 2026 · zerion.io
API Enterprise
2.5M+ requests / month · 1,000+ RPS · 24/7 support · 99.9% uptime SLA
Read 9 Oct 2026 · zerion.io
On the record
- API
- Zerion API provides portfolio, transaction, DeFi, P&L, webhook, and NFT endpoints across 42 chains.zerion.io · read 9 Oct 2026
- API users
- Zerion says MetaMask, Kraken, Safe, Binance, and Base App are among the companies building on its API.zerion.io · read 9 Oct 2026
- Company history
- Zerion says it has been building since 2017.zerion.io · read 9 Oct 2026
- Hardware wallets
- Zerion supports pairing Ledger devices with its mobile app, browser extension, and web app.zerion.io · read 9 Oct 2026
- Market tools
- The product lists tokens, networks, perps, tokenized assets, and live top movers as market features.zerion.io · read 9 Oct 2026
- Portfolio tracking
- The wallet tracks assets, positions, and trades across chains in real time.zerion.io · read 9 Oct 2026
- Premium scope
- Premium provides 50% off swap and bridge fees on supported networks, P&L for any wallet, and early access to new features.zerion.io · read 9 Oct 2026
- Product
- Zerion describes its wallet as a self-custodial product for holding, tracking, and moving digital assets across 66 chains.zerion.io · read 9 Oct 2026
- Security controls
- The wallet previews transaction details before signing and flags known phishing sites and malicious apps before connection.zerion.io · read 9 Oct 2026
- Support
- The API Developer plan includes best effort support, while Enterprise includes 24/7 support and a 99.9% uptime SLA.zerion.io · read 9 Oct 2026
- Trading
- Zerion offers swaps and bridging, and says its smart routing through DEXes finds best prices.zerion.io · read 9 Oct 2026
- Wallet networks
- Zerion’s supported networks page lists 66 mainnets and 8 testnets, with swaps on 47 networks and bridging on 52.zerion.io · read 9 Oct 2026
- Wallet security
- Zerion says it cannot access users’ recovery phrases or private keys, and that the wallet has been audited by four independent firms.zerion.io · read 9 Oct 2026
