Developers💙 Relaycode
We created Relaycode to solve our own issues around complex chain data and encoding in Polkadot. Our goal is to let users and developers focus on building instead of dealing with the intricacies of Polkadot.
Live Input Encoding
Watch your inputs transform into chain-specific data in real-time
Contextual Guides
No more pallet guessing or converting parameters again
Type-Safe Building Blocks
Build your own forms and catch input failures for 100+ substrate primitives
Built for the Polkadot ecosystem
Web3 Foundation
Polkadot
Substrate
DedotOur Extrinsic Builder is live on Polkadot
Seriously – it's easier than DeFi on Ethereum.
From 'Huh?' to 'Aha!' in 3 Steps
Pick what you want to do
Choose from staking, NFTs & more
Fill human-friendly forms
No more cryptic methods and parameters
We handle the encoding
All the Polkadot SCALE magic, automated
All Pallets Supported
Staking • Governance • XCM • Assets • Crowdloans + 40+ more
Bi-Directional Editing
Toggle form inputs and encoded data • Perfect sync with real-time validation
Wallet-Ready Workflow
Polkadot.js • Talisman • Nova • SubWallet - Connect & Sign in 1 Click
One-Click Templates
Get React/TypeScript snippets for your dApp's integration
Components that speak Substrate
Every input understands Polkadot's type system out of the box. Validation, encoding, and edge cases handled -- so you ship dApps, not workarounds.
Account Input
SS58 validation, wallet connect, recent addresses
<Account client={client} onChange={setAddress} />Substrate Utilities
Essential tools for developers and teams building on Substrate.
Try instant Text/SCALE Conversion
Multi-Format Address Converter
Convert between different address formats across chains
SCALE Codec Playground
Encode and decode SCALE format data
Runtime API Explorer
Browse and test runtime APIs
Transaction Metadata Analyser
Deep dive into transaction metadata
Trusted By Builders
See what developers are saying about their experience with Relaycode
Relaycode reduced our failed transactions by 80% - finally a builder that speaks human *and* chain.
Built for the Polkadot ecosystem
Web3 FoundationPolkadotSubstrateDedot