Data ToolActiveSelf-ReportedActive · 7d ago

Zerion

Wallet and DeFi data provider offering portfolio, positions, transactions, PnL, and prices across many chains, with an agent-accessible API.

Last release Jun 3, 2026 · Last commit Jun 3, 2026 · ★ 48

Website ↗Docs ↗GitHub ↗X / Twitter ↗

Overview

Zerion is an established wallet/portfolio product whose API exposes portfolio balances, DeFi positions, transaction history, PnL, NFTs, prices, and swap quotes across 40+ chains. It added x402 payment support on Base in 2026, letting agents pay roughly $0.01 USDC per request without an API key, and ships an MCP server and a JSON-first CLI for AI agents. Per-request pricing and chain counts are as reported by Zerion.

Details

Chains: Ethereum, Base, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain, Multichain
Agent types: Data Provider, MCP Server
Open source: Partial
Pricing: API key tiers; x402 pay-per-request (~$0.01 USDC/call on Base, per Zerion)
Last checked: 2026-06-10

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#portfolio#defi#wallet-data#x402#mcp#pnl#api

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Recent Activity

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Releases and posts from Zerion, pulled from its GitHub and X.

Post@zerion7d ago

Stablecoin adoption is here. Issuing and custody are solved. The hard part has moved underneath the stack. Reading stablecoin balances and transactions across all chains is still built in-house. A hid

Stablecoin adoption is here. Issuing and custody are solved. The hard part has moved underneath the stack. Reading stablecoin balances and transactions across all chains is still built in-house. A hidden but compounding cost. The wallet data layer solves this. Zerion API connects thousands of apps to onchain data. https://t.co/JJTBiW7Gjk

EthereumBaseArbitrum

♥ 47 ↗

Post@zerion7d ago

Are you a founder or builder going to @ethconf NYC? Join us for Backers and Builders, hosted with @krakenfx @inkonchain, @dynamic_xyz and @CapApp 6:30 - 9:30 PM | June 8th |📍NYC Register here: https:

Are you a founder or builder going to @ethconf NYC? Join us for Backers and Builders, hosted with @krakenfx @inkonchain, @dynamic_xyz and @CapApp 6:30 - 9:30 PM | June 8th |📍NYC Register here: https://t.co/Ai45t00QjG

EthereumBaseArbitrum

♥ 74 ↗

Releasezeriontech/zerion-ai7d ago

zerion-ai v1.5.0

1.5.0 (2026-06-03) Features skills: consolidate 30 skills into single zerion skill + fix init.js ( #86 ) ( 257ebe0 ) wallet: add wallet export-key to export raw private keys ( 5bb9951 )

EthereumBaseArbitrum

GitHub ↗

Releasezeriontech/zerion-ai7d ago

zerion-ai v1.4.0

1.4.0 (2026-05-26) Features add zerion-0x partner skill for 0x API v2 swap integration ( #74 ) ( e89f01a ) Other Changes add zerion-consolidate skill + CLI command ( #83 ) add supply-chain cooldown for npm dependencies ( #80 )

EthereumBaseArbitrum

GitHub ↗

Post@zerion8d ago