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Atleta (ATLA) API Documentation

Atleta

Atleta (ATLA) is a modular Layer 1 network using nominated proof of stake, with BABE for block production, GRANDPA for finality, and a published active set of 256 validators. Its execution layer supports EVM-compatible Solidity applications and ink!-based development, while nodes process extrinsics and maintain account, contract, and runtime storage state. Because its architecture combines BABE and GRANDPA consensus with EVM execution, developers encounter both chain-state primitives and Ethereum-compatible contract semantics when integrating applications.

Atleta API Methods and Endpoints

NOWNodes exposes Atleta's interface, plus a few others, depending on what your integration needs: JSON-RPC for reading chain state and broadcasting transactions.

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 Atleta 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: ATLETA

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