For Developers

Build on Heleos

Leverage the Heleos blockchain's 5 custom modules, OAuth 2.1 provider, and comprehensive APIs to build the next generation of real-world financial applications.

OAuth 2.1 Provider

Full OAuth 2.1 implementation with PKCE support for secure third-party integrations

Webhook System

Real-time event notifications for staking, access changes, and transaction events

REST & gRPC APIs

Complete API access to all blockchain modules with comprehensive documentation

API Key Management

Server-to-server authentication with granular permission controls

Quick Start

Get started with the Heleos SDK using CosmJS. Connect to the network, query balances, and interact with custom modules in minutes.

example.ts
// Connect to Heleos (endpoint active after mainnet launch)
import { StargateClient } from "@cosmjs/stargate";

const client = await StargateClient.connect(
  "https://rpc.heleos.com"
);

// Query account balance
const balance = await client.getBalance(
  address,
  "uos"
);

// Query staking delegation
const delegation = await client.getDelegation(
  address,
  validatorAddress
);

What You Can Build

Build DeFi Products

Leverage SuperGlow's composable building blocks to create custom yield products, structured instruments, and incentive mechanisms.

Build Access Apps

Use the Software Access and Physical Access modules to create apps that integrate stake-for-access mechanics.

Build Financial Tools

Integrate with StableNow and EquityLayer to build banking and lending products powered by blockchain yield.

Developer Resources

Everything you need to start building on Heleos

Documentation

Comprehensive guides for all 5 custom modules, API references, and integration patterns.

SDK & CLI Tools

CosmJS integration, Ignite CLI support, and custom module SDKs for rapid development.

Developer Portal

Manage OAuth applications, API keys, webhooks, and monitor your integration analytics.