Alchemy
Blockchain node infrastructure and developer APIs.
Infrastructure: RPC, Indexing
What can you build?
- Trading platform
- NFT marketplace
Free
Freemium
11 APIs
Dune Analytics
Community-driven blockchain analytics and SQL queries.
Analytics: Analytics, Market Data, Indexing
What can you build?
- Trading platform
- DeFi dashboard
Free
Freemium
Envio
Fast multichain indexer for custom pipelines and live events.
Data: Indexing, Analytics
What can you build?
- Custom indexers
- Real-time event tracking
Open Source
Free
Freemium
Goldsky
Subgraph hosting and mirror pipelines for live on-chain data.
Free
Freemium
Helius
Solana RPC, webhooks, and enriched transaction APIs.
Free
Freemium
Nodit
Multichain RPC and indexing with Aptos-first developer APIs.
Free
Freemium
Ponder
Local-first indexing framework for Ethereum app development.
Open Source
Free
QuickNode
Multichain node provider with Streams for real-time webhooks.
Infrastructure: RPC, Indexing, Market Data
What can you build?
- Webhook alerts
- Transaction monitors
Free
Freemium
Shyft
Solana APIs for transaction parsing and wallet activity feeds.
Free
Freemium
SQD
Decentralized data lake for historical on-chain queries.
Open Source
Free
Freemium
The Graph
Decentralized indexing for querying blockchain data via GraphQL.
Open Source
Free
Freemium