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ZetaChain (ZETA) API Documentation

ZetaChain

ZetaChain (ZETA) is an EVM-compatible proof-of-stake Layer 1 built with the Cosmos SDK and CometBFT, distinguished by its Universal EVM model for applications that coordinate activity across connected chains. Solidity contracts execute through Cosmos EVM against account-based state, while full nodes maintain EVM contract data alongside Cosmos accounts, validators, modules, and cross-chain protocol state. This combined Cosmos and EVM architecture exposes both Ethereum-compatible execution conventions and Cosmos-style consensus and module primitives to integrations.

ZetaChain API Methods and Endpoints

NOWNodes exposes ZetaChain's interface, plus a few others, depending on what your integration needs: JSON-RPC for reading chain state and broadcasting transactions, and WSS (WebSocket) for real-time subscriptions and events.

Browse the interfaces below for endpoint details, request parameters, response formats, and integration examples. Create an API key, select Mainnet or Testnet, choose the required interface, and start sending requests from your application.

Weighing ZetaChain RPC providers against each other? Read the comparison guide on our blog — this page stays focused on integration reference.

Quick start

01

Get an API key

Sign up and generate a free key from the dashboard.

Get key →
02

Select environment

Mainnet or Sepolia testnet.

03

Choose an interface

RPC, WSS, Blockbook, or Trace/Debug.

04

Send a request

Call it from your application.

RPCJSON-RPCStandard RPC methods for reading chain state and broadcasting transactions.Node APIs →WSSWebSocketPersistent connections for new blocks, pending transactions, and log events as they happen.WSS API →T/DTrace & DebugStep-level execution traces for inspecting calls and diagnosing transactions.Trace & Debug API →ARCArchive modeFull historical state access beyond standard node retention.Archive nodes →MCPModel Context ProtocolThe Model Context Protocol (MCP) is an open standard that lets AI assistants call external tools through a uniform interface.MCP →

Ready to build on: ZETA

Create a free API key and start sending requests in minutes.