Cardano infrastructuremade simple
Build and deploy dApps on a single platform with
Demeter – effortlessly scale to support millions of users.
Trusted by the best Cardano teams
Managed services
Cardano Nodes
Cardano Nodes
Fully-synced nodes ready to be used through any of the available ports
Cardano DB-Sync
Cardano DB-Sync
Relational view of Cardano on-chain data using a PostgreSQL database
Cardano Ogmios
Cardano Ogmios
WebSocket API for clients to speak Ouroboros' mini-protocols via JSON/RPC
Cardano Submit API
Cardano Submit API
HTTP endpoint to submit CBOR-encoded transactions onto the Node
Cardano Webhooks
Cardano Webhooks
Subscribe to events in the node
Cardano Kupo
Cardano Kupo
Fast, lightweight and configurable chain-index
Cardano Blockfrost RYO
Cardano Blockfrost RYO
API to access and process information stored on the Cardano blockchain
Cardano Kuber
Cardano Kuber
Haskell library and API server for composing balanced transactions
Cardano Hydra Node
Cardano Hydra Node
Node instances that can be shared among different peers
Cardano Marlowe Runtime
Cardano Marlowe Runtime
Platform for financial products as smart contracts
Cardano GraphQL
Cardano GraphQL
GraphQL API for Cardano
Cardano UTxO RPC Port
Cardano UTxO RPC Port
Grpc API for UTxO-based blockchains.
Starter Kits
Aiken Gift Card
Aiken Gift Card
This is an example of a gift card. With these contracts you can lock anything and have it be unlockable only with a simultaneously minted NFT. This minted NFT holds the power to unlock the assets and is considered the gift card.
ADA Payment Links
ADA Payment Links
This starter kit shows how you can implement your own Payment Forms for charging your products in ADA. Easy to customize with your Company Logo and Name. Easy to deploy in Demeter
Assets API Starter Kit
Assets API Starter Kit
This starter kit shows how you can start building a simple REST API to query assets data from DB-sync.
Atlas Starter Kit
Atlas Starter Kit
A starter kit containing examples illustrating various features of Atlas framework which is a haskell tooling to write off-chain code for on-chain smart contracts.
Cardano CLI Tutorial
Cardano CLI Tutorial
A tutorial that shows you how to use the Cardano CLI to execute operations directly against the Cardano node.
Cardano Marketplace
Cardano Marketplace
A simple Cardano Marketplace facilitating NFT buy and sale.
Cardano Starter Kit
Cardano Starter Kit
A starter kit for building cardano web3 applications with React, NextJS, and TypeScript using use-cardano and Lucid for interacting with the blockchain.
Java Offchain PlutusV2 Starter Kit
Java Offchain PlutusV2 Starter Kit
A simple Java 17 project demonstrating PlutusV2 contract invocation using simple CLI wallet.
gOuroboros
gOuroboros
A tutorial that shows you how to use the gOuroboros to communicate with a Cardano Node.
Haskell Hello World
Haskell Hello World
An empty Haskell project ready to code with all required dependencies already installed and all of the recommended VS Code extensions available by default.. It contains some very basic code with a 'hello world' example.
Java Starter Kit
Java Starter Kit
A simple Java 17 project demonstrating simple CLI wallet with transaction sending.
Kuber Starter Kit
Kuber Starter Kit
This repo provides a NodeJS package with examples of how to balance transactions using Kuber.
Kupo Node.js Examples
Kupo Node.js Examples
Example setups using Kupo, in JavaScript/Node.js
Marlowe Tutorial
Marlowe Tutorial
This tutorial contains 6 lessons for interacting with Marlowe Smart Contracts.
Aiken Hello World Next.js
Aiken Hello World Next.js
Start an Aiken project and deploy a web frontend with wallet and transaction builder.
Ecommerce Next.js TypeScript
Ecommerce Next.js TypeScript
A starter template for ecommerce stores, where customers can pay with Cardano stable coins such as DJED, a receipt will be minted to the customer's wallet and you will fulfil their order.
Marketplace Next.js TypeScript
Marketplace Next.js TypeScript
A starter template for marketplace smart contract allows users to buy and sell NFTs. A seller list an NFT for sales by specifying a certain price, and anyone can buy it by paying the demanded price.
Multi-sig Minting Next.js TypeScript
Multi-sig Minting Next.js TypeScript
Sell native tokens with multi-sig minting; where the backend server will build the transaction, and the user signs the transaction on the frontend.
plu-ts Next.js TypeScript
plu-ts Next.js TypeScript
Write smart contracts on Cardano with plu-ts, execute and deploy your app with Mesh.
Wallet Sign In Next.js
Wallet Sign In Next.js
Use this template to build a dApp that sign in with Cardano wallet, prove the ownership of a wallet by signing a piece of data using data sign.
Stake Pool Portal Next.js TypeScript
Stake Pool Portal Next.js TypeScript
Are you a stake pool operator? This starter template allows delegators to connect their wallet and stake with your pool.
Starter Next.js TypeScript
Starter Next.js TypeScript
Start a new project on Next.js. This starter template consists of a connect wallet button and wallet integration.
Naumachia Smart Contract Template
Naumachia Smart Contract Template
Scaffolding for a Naumachia Smart Contract with build script and Aiken script interface.
Stake Pool Explorer
Stake Pool Explorer
A NodeJS website that provides a list of all the available Pools currently registered in Cardano. The data get queried from Demeter's cluster's DB-Sync instance using SQL.
Ogmios TypeScript Client
Ogmios TypeScript Client
A Demeter starter kit that shows how to use Ogmios' Typescript client.
OpShin Starter Kit
OpShin Starter Kit
A starter kit for python based smart contracts with PyCardano and OpShin
Oura Webhooks Starter Kit
Oura Webhooks Starter Kit
A simple tutorial showing how to use Oura together with a Webhook sink for publishing a message to a Discord server in real-time whenever a delegation is processed for a specific Pool hash..
Plutus Hello World
Plutus Hello World
A bare-bones example of a Plutus validator with the corresponding scripts to compile the sourcecode into UPLC bytecode ready to be submitted on-chain.
PlutusV2 Hello World
PlutusV2 Hello World
This is a bare bones PlutusV2 smart-contract template. The goal is to provide the minimum expression of a PlutusV2 project to be used as starting point to build more complex contracts. Demonstrating one of the new features of PlutusV2!
Plutus Pioneer Program 4
Plutus Pioneer Program 4
This kit contains everything needed to complete the homework and follow the lectures of the fourth iteration of the Plutus Pioneer Program.
PyCardano Starter Kit
PyCardano Starter Kit
A simple tutorial showing how to use the PyCardano library together with Ogmios for generating addresses, querying UTXOs and submitting transactions.
Python DB-Sync Starter Kit
Python DB-Sync Starter Kit
A set of python scripts that query the DB-Sync instance running on Demeter's cluster to generate different data analysis outputs from the ledger history.
Wallet Connect Starter Kit
Wallet Connect Starter Kit
This starter kit shows how you can connect to a Cardano Wallet from a Remix.run application
Pallas Block Download
Pallas Block Download
A very basic example of how to use Pallas rust library to connect to the Cardano Node running on Demeter's cluster by using low-level Ouroboros mini-protocols.
ADA Handle Starter Kit
ADA Handle Starter Kit
A small Remix.run application which shows how to use Scrolls for showing the address associated to an ADA handle.