The top Blockchain API projects, ranked by prominence — TVL, market cap, funding, and on-chain activity.
The Graph
Decentralized protocol for indexing and querying blockchain data
The Graph
Decentralized protocol for indexing and querying blockchain data
Chainbase
Decentralized omnichain data network
Chainbase
Decentralized omnichain data network
Fluence
Web3 native computing platform
Fluence
Web3 native computing platform
Covalent
Decentralized data infrastructure
Covalent
Decentralized data infrastructure
Satsuma
Reliable blockchain indexing for web3 engineering teams
Seer
sim
Real-time multi-chain data API
Basement
Fast and reliable web3 infrastructure
Apron Network
A decentralized infrastructure service platform
Apron Network
A decentralized infrastructure service platform
Airstack
Data infrastructure for web3
Airstack
Data infrastructure for web3
Blocknative
Real-time Web3 infrastructure company
Blocknative
Real-time Web3 infrastructure company
Bison Trails
Blockchain infrastructure platform
Bison Trails
Blockchain infrastructure platform
Helius
Solana developer platform
Helius
Solana developer platform
Bware Labs
Decentralized API platform
Bware Labs
Decentralized API platform
Alchemy
The leading blockchain developer platform.
Alchemy
The leading blockchain developer platform.
Codex
Stablecoin payment infrastructure
Nirvana Labs
Web3 infrastructure solution
Nirvana Labs
Web3 infrastructure solution
Torram
Decentralized Oracle & Indexer Network
Torram
Decentralized Oracle & Indexer Network
Token Flow
Blockchain data terminal
Bitquery
API-first product company
BitStack
Bitcoin savings account app
Vybe Network
Solana-based data infrastructure solution
Transpose
Web3 Data Tools
Zash
NFT and blockchain indexer for enterprise
Syndica
Scalable infrastructure for Solana
BlockVision
On-chain data retrieval portal
Envio
Multi-chain data indexing framework
OnFinality
Blockchain infrastructure platform
BlockCypher
---
Pangea
The Open Index Protocol
SendBlocks
Blockchain data management company
Bloq
Building infrastructure for the multi-blockchain future
Infura
Blockchain APIs and developer tools
Tatum
Blockchain development platform
Gomu
Web3 developer tools
Nakji Network
Indexing protocol for organizing blockchain data
DipDup
Middleware platform for Web3 developers