Complete MegaETH 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 MegaETH 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
MegaETH Network Snapshot
MegaETH is an EVM-compatible Layer 2 that pushes Ethereum's performance to real-time speeds. Based on the OP Stack, it introduces 10-millisecond mini blocks and 1-second EVM blocks, making it one of the fastest execution environments available today.
With a block gas limit of 10 billion per EVM block and near-zero base fees (0.001 gwei), MegaETH is designed for applications that demand high throughput and ultra-low transaction costs without sacrificing Ethereum's security guarantees.
MegaETH uses ETH as its native gas token and settles to Ethereum mainnet via validity proofs. This gives developers a familiar environment with dramatically improved performance.
Zerion API lets you query wallet balances, token positions, and transaction history on MegaETH through the same endpoints you already use for other EVM chains.
Key features
- Real-time execution: 10ms mini blocks and 1-second EVM blocks deliver sub-second finality for onchain applications.
- Ultra-low fees: A base fee of 0.001 gwei and 10 billion gas per block keep transaction costs near zero, even under heavy load.
- Full EVM compatibility: MegaEVM runs standard Ethereum smart contracts with minimal differences, so existing toolchains and contracts work out of the box.
- OP Stack foundation: Built on Optimism's op-contracts/v3.0.0, MegaETH inherits battle-tested bridging, messaging, and settlement infrastructure from Ethereum mainnet.
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 early prototypes and proofs of concept
For shipping MVP without running any infra
For apps preparing for launches or already in production
For scaling products with growing traffic demands
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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Start Building for FreeFAQ
Use Zerion API's /wallets/{address}/positions/ endpoint to retrieve all token holdings for any MegaETH address. You can filter by chain to see only MegaETH positions, or fetch positions across all supported chains in one call.
Yes. Call the /wallets/{address}/nft-positions/ endpoint with a MegaETH chain filter. It returns all NFT assets held by the specified wallet on MegaETH.
No. Zerion API uses the same endpoints across all supported EVM-compatible chains, MegaETH included. The /positions, /nft-positions, and transaction endpoints all work with MegaETH addresses using the same request format.
You can create a webhook for any MegaETH address to receive alerts on new transactions. Webhooks can be scoped to MegaETH only or configured to listen across all supported chains.
Still have questions?
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