Awesome Blockchain Crypto Api

The most comprehensive curated list of blockchain & crypto data APIs, RPC providers, indexers, market-data feeds, DEX/NFT/DeFi APIs, oracles, embedded wallets, MEV streams, and developer infrastructure for 2026.

300+ APIs and data services across multi-chain data, RPC providers, EVM indexers, Solana-native APIs, Bitcoin & Lightning, market & DEX data, NFT, DeFi, MEV, oracles, wallet-as-a-service, embedded wallets, streaming (Kafka/gRPC/WebSocket), historical archives, AI/MCP, and SDKs.

Awesome PRs Welcome — see Contributing.

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⭐ Featured: Bitquery — The Universal Blockchain Data API

The most complete blockchain data infrastructure for builders — DEX trades, OHLC candles, market cap, wallet PnL, decoded transactions across 8+ chains, in GraphQL, Kafka, gRPC, and MCP.

Bitquery API Chains Streams

🔗 Bitquery powers the data layer behind hundreds of trading bots, dashboards, AI agents, alpha groups, and analytics platforms in crypto.

Feature	Details
Chains	Solana, Ethereum, BSC, Base, Arbitrum, Optimism, Polygon, Tron + many more
Coverage	DEX trades, OHLCV, market cap, FDV, wallet PnL, NFT, transfers, decoded smart-contract events
Pump.fun / LetsBonk / Four.meme / SunPump	Real-time + historical, bonding-curve aware
Real-time streams	GraphQL subscriptions, WebSocket, Kafka, gRPC
MCP	mcp.bitquery.io — plain-English queries from Claude / Cursor / ChatGPT
No-code dashboard	DEXrabbit — DexScreener-alternative UI on top of the API
Free tier	Yes — generous public-good limits, scale up with paid plans
Use cases	Trading bots, alpha groups, DeFi dashboards, AI agents, exchange listings, tax engines

🔗 Quick links: Pump.fun API · DEXrabbit dashboard · Bitquery MCP · GraphQL IDE · Docs

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📖 About

Awesome Blockchain & Crypto APIs is a deeply curated directory of every API, data service, RPC provider, indexer, oracle, and SDK that crypto builders need in 2026. Whether you're building a trading bot, AI agent, DeFi dashboard, NFT marketplace, wallet, or institutional analytics platform — this list points you at the right data source for every layer.

What this list covers

• 🌐 Multi-chain blockchain data APIs — Bitquery, Alchemy, Moralis, Tatum, Nodit, Covalent
• 🔌 RPC providers — Helius, QuickNode, Alchemy, Chainstack, Triton, Shyft, GetBlock, Ankr, dRPC, OnFinality
• 🟣 Solana-specific APIs — Helius DAS, Solana Tracker, Birdeye, Bitquery Solana, Triton Geyser
• ⛓️ EVM-specific APIs — Etherscan, Blockscout, BaseScan, BscScan
• 🟠 Bitcoin & Lightning APIs — Mempool.space, Blockchair, BlockCypher, Voltage, Lightning Loop
• 📊 Market & price data — CoinGecko, CoinMarketCap, CryptoCompare, Messari, Kaiko, Amberdata
• 💱 DEX data APIs — DexScreener, GeckoTerminal, DexPaprika, DexTools, Defined.fi, DEXrabbit
• 🎨 NFT data APIs — OpenSea, Reservoir, NFTGo, Magic Eden, Bitquery NFT
• 🏦 DeFi-specific data — DefiLlama, Token Terminal, Dune, Flipside, Pulsar, Onchain Insights
• 🐳 Smart-money / on-chain intelligence — Nansen, Arkham, Lookonchain, Cielo, GMGN
• 👛 Wallet & portfolio APIs — Zerion, Zapper, DeBank, Octav, CoinStats, Step Finance
• 🌉 Bridge & cross-chain — deBridge, LiFi, Squid Router, Socket
• ⚔️ MEV / mempool — Flashbots, Eigenphi, BloXroute, Jito, Helius Mempool
• 🔬 Tx simulation / tracing — Tenderly, Alchemy Sim, Phalcon, Rivet
• 🌊 Streaming APIs — Bitquery Kafka/gRPC, Helius Webhooks, QuickNode Streams, Substreams
• 🗄️ Historical / archive — Bitquery, Dune, Flipside, Allium, Goldsky
• 🪙 Oracles — Chainlink, Pyth, RedStone, Stork, Switchboard, API3
• 🔐 Embedded wallets / WaaS — Privy, Dynamic, Magic, Web3Auth, Turnkey, Coinbase WaaS, Para
• 📈 Subgraphs / custom indexing — The Graph, Goldsky, Subsquid, Substreams, Envio, Subgraph Studio
• 🤝 AI / MCP for blockchain data (cross-link to Awesome Crypto MCPs)
• 🛠️ SDKs & libraries — web3.js, ethers, viem, wagmi, anchor, solana/web3.js, hyperliquid SDK
• 🌍 DePIN data networks — Grass, Hivemapper, IoTeX
• 🆓 Free public APIs for hobbyists and indie builders

Pricing reality (2026)

Tier	Typical use	Examples
Free / Hobbyist	< 100K req/day	Bitquery free tier, CoinGecko Demo, DexScreener, GeckoTerminal, Helius Free, Alchemy Sandbox
Pro / Indie ($50–$500/mo)	Indie SaaS, small bots	Helius Pro, QuickNode Build, CoinMarketCap Hobbyist, Birdeye Pro
Business ($500–$5K/mo)	Production apps	Bitquery Business, Alchemy Growth, Moralis Pro, CoinGecko Pro
Enterprise ($5K+/mo)	Exchanges, funds	Bitquery Enterprise, Kaiko, Messari Pro, Nansen Pro, TaxBit

Choosing the right API

• Building a trading bot? Bitquery (real-time + outlier-filtered) or Helius for Solana speed
• Building a wallet UI? Zerion / Zapper / DeBank / Bitquery / Moralis NFT API
• Building an AI agent? Bitquery MCP + Solana Agent Kit + Hyperliquid MCP
• Building a tax engine? Bitquery raw trades + CoinLedger / TaxBit / Awaken APIs
• Building a DeFi dashboard? DefiLlama API + Token Terminal + Dune
• Indie hacker on a budget? DexScreener API + GeckoTerminal + CoinGecko Demo (all free)

Disclaimer: Pricing, free-tier limits, and feature sets change constantly. Always verify on the provider's pricing page before integrating. Some links in this list are affiliate / referral links (marked 🎟️) — they don't change the price you pay.

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📑 Table of Contents

• ⭐ Featured: Bitquery — The Universal Blockchain Data API
• 📖 About
• 🌐 Multi-Chain Blockchain Data APIs
• 🔌 RPC Providers
• 🟣 Solana-Specific Data APIs
• ⛓️ EVM-Specific Data APIs
• 🟠 Bitcoin & Lightning Data APIs
• 🔍 Block Explorer APIs
• 📊 Crypto Market & Price Data APIs
• 💱 DEX Data APIs
• 🎨 NFT Data APIs
• 🏦 DeFi Data APIs
• 🐳 Smart Money & On-Chain Intelligence APIs
• 👛 Wallet & Portfolio APIs
• 💵 Stablecoin Data APIs
• 🌉 Bridge & Cross-Chain Data APIs
• ⚔️ MEV, Mempool & Block-Builder APIs
• 🔬 Transaction Simulation & Tracing APIs
• 🌊 Streaming APIs (Kafka, gRPC, WebSocket)
• 🗄️ Historical & Archive Data APIs
• 📈 Subgraph & Custom Indexing
• 🪙 Oracle APIs
• 🔐 Embedded Wallet & Wallet-as-a-Service APIs
• 🔑 Authentication, Identity & Social Login APIs
• 🤝 MCPs for Blockchain Data (AI Agents)
• 🌍 DePIN Data Networks
• 🏛️ CEX / Exchange APIs
• 🛠️ SDKs & Libraries
• 🆓 Free Public APIs
• 📚 Resources & Guides
• 🔗 Related Awesome Lists
• 🤝 Contributing
• 📄 License
• 🔍 Related Searches
• 📈 Popular Use Cases

Legend — 🟢 Live · 🟡 Beta / Limited · 🔴 Inactive · ⚡ Top-tier · 🆕 Launched 2025/26 · 🎟️ Affiliate link · 🆓 Free / open-source

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🌐 Multi-Chain Blockchain Data APIs

The "data warehouse" layer — query indexed blockchain data across many chains via GraphQL, REST, or streams.

API	Coverage	Strengths	Status	Website
⚡ ⭐ Bitquery	8+ chains (Solana, ETH, BSC, Base, Tron, Polygon, Arb, Op + more)	DEX trades, OHLCV, market cap, wallet PnL, bonding-curve aware, GraphQL + Kafka + gRPC + MCP	🟢 Live	bitquery.io
⚡ Alchemy	30+ chains	Token / NFT / Portfolio APIs, SDK, sandbox tier	🟢 Live	alchemy.com
⚡ Moralis	EVM + Solana	Wallet, Token, NFT, DeFi APIs, Webhook streams	🟢 Live	moralis.io
⚡ Helius	Solana	Enhanced APIs, Webhooks, DAS, Mempool	🟢 Live	helius.dev
⚡ QuickNode	25+ chains	RPC + add-on marketplace + Streams	🟢 Live	quicknode.com
Tatum	130+ networks	Unified blockchain API, simple SDK	🟢 Live	tatum.io
Nodit Labs	EVM + Solana	Multi-chain Web3 API	🟢 Live	nodit.io
Covalent	200+ chains	Unified token + balance + tx API	🟢 Live	covalenthq.com
Mobula	Multichain	Real-time data + execution layer, no caching	🟢 Live	mobula.io
Blockscout APIs	EVM	Open-source explorer APIs	🟢 Live	blockscout.com
Pinax	Multichain	The Graph-backed substreams	🟢 Live	pinax.network
Allium	Multichain	Enterprise-grade structured blockchain data	🟢 Live	allium.so
Footprint Analytics	Multichain	Unified chain data + dashboards	🟢 Live	footprint.network

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🔌 RPC Providers

Raw JSON-RPC + Web3-RPC endpoints for sending transactions, querying state, and powering wallets/dApps.

Provider	Chains	Notable Features	Status	Website
⚡ Alchemy	30+	Sandbox tier, smart contract APIs	🟢 Live	alchemy.com
⚡ QuickNode	25+	Lowest p50 latency in many tests	🟢 Live	quicknode.com
⚡ Helius	Solana	Premium Solana RPC, DAS, Webhooks	🟢 Live	helius.dev
⚡ Chainstack	70+	Elastic Nodes, geo-load-balanced	🟢 Live	chainstack.com
Triton One	Solana	Premium Solana, gRPC + Geyser	🟢 Live	triton.one
Shyft	Solana	RPC + APIs	🟢 Live	shyft.to
🎟️ GetBlock	50+	Multi-chain RPC	🟢 Live	getblock.io
Ankr	50+	Production RPC, premium tiers	🟢 Live	ankr.com
dRPC	60+	Decentralized RPC marketplace	🟢 Live	drpc.org
OnFinality	80+	Multi-chain RPC + indexing	🟢 Live	onfinality.io
Dwellir	60+	EU-based premium RPC	🟢 Live	dwellir.com
Infura (Consensys)	20+	The OG EVM RPC	🟢 Live	infura.io
HypeRPC	Hyperliquid	First dedicated Hyperliquid RPC	🟢 Live	hyperpc.app
PublicNode	30+	Free public RPC	🟢 Live	publicnode.com
NodeReal	EVM	BSC + opBNB + EVM RPC	🟢 Live	nodereal.io
BlastAPI	70+	Multi-chain RPC	🟢 Live	blastapi.io
Tenderly Web3 Gateway	EVM	RPC + simulation in one	🟢 Live	tenderly.co
Lava Network	EVM + Solana	Decentralized RPC marketplace	🟢 Live	lavanet.xyz
Glif	Filecoin	Filecoin RPC + APIs	🟢 Live	glif.io
Solana Foundation Public RPC	Solana	Free, rate-limited	🟢 Live	docs.solana.com

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🟣 Solana-Specific Data APIs

For Solana builders — DAS (Digital Asset Standard), SPL tokens, NFTs, DEX trades, MEV, Geyser streams.

API	Strengths	Status	Website
⚡ Helius	DAS, Webhooks, Enhanced Tx, Photon, Mempool	🟢 Live	helius.dev
⚡ Bitquery Solana	Pump.fun, Raydium, Jupiter, full DEX coverage	🟢 Live	bitquery.io
Triton One Geyser	Sub-millisecond Solana streams	🟢 Live	triton.one
Shyft	Solana APIs + RPC + Webhooks	🟢 Live	shyft.to
Birdeye	Solana + multi-chain pricing API	🟢 Live	birdeye.so
Solana Tracker	Solana memecoin data + APIs	🟢 Live	solanatracker.io
Jupiter API	DEX aggregator, swap routing	🟢 Live	jup.ag
Jupiter Price API	Solana token prices	🟢 Live	station.jup.ag
Pyth Network (Solana)	High-frequency oracle prices	🟢 Live	pyth.network
Solscan API	Solana explorer data	🟢 Live	solscan.io
Solana FM API	Jupiter Labs explorer API	🟢 Live	solana.fm
MadeOnSol API	Solana KOL trades, deployer reputation	🟢 Live	madeonsol.com
Dialect	Solana wallet messaging	🟢 Live	dialect.to
Photon Memescope	Pump.fun + Moonshot scan API	🟢 Live	photon-sol.tinyastro.io

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⛓️ EVM-Specific Data APIs

For Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche, and other EVM chains.

API	Strengths	Status	Website
Alchemy Enhanced APIs	Token / NFT / Trace / Sim	🟢 Live	alchemy.com
Etherscan API	Full EVM tx history, contract verification	🟢 Live	etherscan.io
BscScan API	BSC block explorer API	🟢 Live	bscscan.com
BaseScan API	Base block explorer API	🟢 Live	basescan.org
Blockscout API	Open-source EVM explorer API	🟢 Live	blockscout.com
Bitquery EVM	DEX trades + decoded events	🟢 Live	bitquery.io
Moralis EVM	Wallet, Token, NFT, DeFi APIs	🟢 Live	moralis.io
Covalent EVM	Unified balances + tx history	🟢 Live	covalenthq.com
The Graph (EVM)	Subgraphs for any EVM chain	🟢 Live	thegraph.com
Goldsky	EVM real-time indexing	🟢 Live	goldsky.com
Subsquid	EVM indexer	🟢 Live	subsquid.io
Envio	High-performance EVM indexer	🟢 Live	envio.dev
DefiLlama API	TVL + DeFi data per chain	🟢 Live	defillama.com/docs/api

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🟠 Bitcoin & Lightning Data APIs

API	Coverage	Strengths	Status	Website
Mempool.space	Bitcoin	Public API for fees, mempool, blocks	🟢 Live	mempool.space
Blockchain.com API	Bitcoin	Classic Bitcoin block + tx API	🟢 Live	blockchain.com
BlockCypher	Bitcoin + EVM	Multi-chain unified API	🟢 Live	blockcypher.com
Blockchair	Bitcoin + 17 chains	Bitcoin-first multi-chain API	🟢 Live	blockchair.com
mempool.space API	Bitcoin	Real-time fee + mempool API	🟢 Live	mempool.space/docs
Voltage	Lightning	Lightning-as-a-service	🟢 Live	voltage.cloud
LNbits	Lightning	Self-hosted Lightning wallet API	🟢 Live	lnbits.com
Lightning Loop API	Lightning	Submarine-swap + LSP API	🟢 Live	lightning.engineering
OpenNode	Lightning	Bitcoin + Lightning payments API	🟢 Live	opennode.com
Bitkern API	Bitcoin	Bitcoin tx data	🟢 Live	bitkern.com
Bitcoin Core RPC	Bitcoin	Run-your-own RPC	🟢 Live	bitcoincore.org

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🔍 Block Explorer APIs

Explorer	Chain	Notable	Status	Website
Etherscan API	Ethereum	The standard EVM explorer API	🟢 Live	etherscan.io
Solscan API	Solana	Solana standard explorer API	🟢 Live	solscan.io
Solana FM API	Solana	Jupiter Labs explorer	🟢 Live	solana.fm
BscScan API	BNB Chain	BSC explorer API	🟢 Live	bscscan.com
BaseScan API	Base	Base explorer API	🟢 Live	basescan.org
PolygonScan API	Polygon	Polygon explorer API	🟢 Live	polygonscan.com
Arbiscan API	Arbitrum	Arbitrum explorer API	🟢 Live	arbiscan.io
Optimism Etherscan API	Optimism	OP explorer API	🟢 Live	optimistic.etherscan.io
Tronscan API	Tron	Tron explorer API	🟢 Live	tronscan.org
Blockscout API	Multi-EVM	Open-source explorer API	🟢 Live	blockscout.com
HyperEVMScan	Hyperliquid	HL explorer (Etherscan team)	🟢 Live	hyperevmscan.io
Arkham Explorer	Multi	Entity-mapped block explorer	🟢 Live	arkm.com

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📊 Crypto Market & Price Data APIs

API	Strengths	Free Tier	Status	Website
⚡ CoinGecko API	14K+ coins, 2.5M+ pairs, free demo, hobbyist-friendly	✅ Demo	🟢 Live	coingecko.com/api
⚡ CoinMarketCap API	The original, broad market intelligence + DEX API	✅ Basic	🟢 Live	coinmarketcap.com/api
CryptoCompare	OHLC, news, social data	✅	🟢 Live	cryptocompare.com
Messari API	Institutional research + protocol metrics	Limited	🟢 Live	messari.io/api
Kaiko	Institutional, regulated-grade data	Paid	🟢 Live	kaiko.com
Amberdata	Institutional crypto data + DeFi	Paid	🟢 Live	amberdata.io
CoinAPI	Unified crypto market data API	✅ Trial	🟢 Live	coinapi.io
CoinPaprika API	Free coin metrics + market data	✅ Free	🟢 Live	coinpaprika.com
CoinLore API	Free crypto data + tickers	✅ Free	🟢 Live	coinlore.com
Bitquery Price API	Outlier-filtered DEX prices, OHLCV	✅ Free	🟢 Live	bitquery.io
Birdeye API	Solana + multi-chain pricing API	✅	🟢 Live	docs.birdeye.so
Defined.fi API	Real-time pair data API	Paid	🟢 Live	defined.fi/api
Pyth Benchmark	Pyth oracle benchmark prices	✅ Free	🟢 Live	pyth.network
Glassnode API	Bitcoin + Ethereum on-chain metrics	Paid	🟢 Live	glassnode.com
IntoTheBlock	Institutional on-chain analytics API	Paid	🟢 Live	intotheblock.com
Santiment	On-chain + social + dev metrics	✅ + Paid	🟢 Live	santiment.net
LunarCrush	Social sentiment + Galaxy Score	✅ + Paid	🟢 Live	lunarcrush.com
CryptoAPIs	Unified market API	✅ Trial	🟢 Live	cryptoapis.io

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💱 DEX Data APIs

For real-time DEX trades, pairs, liquidity, and OHLCV.

API	Coverage	Strengths	Status	Website
⚡ Bitquery DEX	8+ chains	Outlier-filtered, decoded, GraphQL/Kafka	🟢 Live	bitquery.io
⚡ DexScreener API	Multichain	The default DEX data API, free	🟢 Live	docs.dexscreener.com
⚡ GeckoTerminal API	Multichain	CoinGecko's free DEX API	🟢 Live	geckoterminal.com
DexPaprika	20+ chains	Real-time DEX data, 5M+ tokens	🟢 Live	dexpaprika.com
DexTools API	Multichain	DEX discovery + audits	🟢 Live	dextools.io
Defined.fi API	Multichain	Pro-grade pair data API	🟢 Live	defined.fi/api
DEXrabbit	8+ chains	Bitquery-powered, no-code dashboard + API	🟢 Live	dexrabbit.bitquery.io
0x API	EVM	Aggregator + swap quotes	🟢 Live	0x.org
1inch API	EVM	Aggregator + Pathfinder	🟢 Live	1inch.io/docs
Uniswap Subgraph	Uniswap	Official Uniswap subgraph data	🟢 Live	uniswap.org/docs
Jupiter API	Solana	DEX aggregator API	🟢 Live	jup.ag
CowSwap API	EVM	MEV-protected swaps	🟢 Live	cow.fi
DappLooker HL Perp API	Hyperliquid	Hyperliquid perp data + indicators	🟢 Live	dapplooker.com

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🎨 NFT Data APIs

API	Coverage	Strengths	Status	Website
OpenSea API	Multichain	The standard NFT marketplace API	🟢 Live	opensea.io
Reservoir API	EVM	Cross-marketplace NFT API	🟢 Live	reservoir.tools
NFTGo	Multichain	NFT analytics + market data	🟢 Live	nftgo.io
Magic Eden API	17 chains	Cross-chain NFT marketplace API	🟢 Live	docs.magiceden.io
Helius DAS	Solana	Digital Asset Standard for Solana NFTs	🟢 Live	helius.dev
Bitquery NFT	Multichain	Decoded NFT trades + transfers	🟢 Live	bitquery.io
Alchemy NFT API	Multichain	Token + metadata + ownership	🟢 Live	alchemy.com
Moralis NFT API	Multichain	NFT metadata + collections	🟢 Live	moralis.io/nft-api
SimpleHash	Multichain	Unified NFT API	🟢 Live	simplehash.com
Tensor API	Solana	Solana NFT marketplace API	🟢 Live	tensor.trade
CryptoPunks API	Ethereum	CryptoPunks-specific data	🟢 Live	cryptopunks.app
DappRadar NFT API	Multichain	NFT collection rankings	🟢 Live	dappradar.com
NFTPort	Multichain	NFT minting + data API	🟢 Live	nftport.xyz
Center API	Multichain	NFT discovery + metadata	🟢 Live	center.dev
Rarify	Multichain	NFT pricing + valuation	🟢 Live	rarify.tech

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🏦 DeFi Data APIs

For TVL, protocol-level metrics, lending markets, perps, vaults, yields.

API	Coverage	Strengths	Free Tier	Status	Website
⚡ DefiLlama API	All major DeFi	The standard for TVL + DEX volumes + perps + stablecoins	✅ Free	🟢 Live	defillama.com/docs/api
Token Terminal	DeFi protocols	Revenue + earnings + cohort metrics	Paid	🟢 Live	tokenterminal.com
Dune Analytics API	Multichain	SQL-on-blockchain, custom dashboards	✅ Free + Paid	🟢 Live	dune.com
Flipside Crypto	Multichain	Curated SQL on Solana, EVM, Cosmos	✅ Free	🟢 Live	flipsidecrypto.xyz
Allium	Multichain	Enterprise structured DeFi data	Paid	🟢 Live	allium.so
Footprint Analytics	Multichain	Unified DeFi data + dashboards	✅ Free	🟢 Live	footprint.network
DappRadar API	Multichain	dApp rankings + DeFi metrics	Paid	🟢 Live	dappradar.com/api
Pulsar API	Multichain	Wallet behaviour + DeFi flows	Paid	🟢 Live	pulsar.fi
Aave Subgraph	Aave	Aave protocol data	✅ Free	🟢 Live	aave.com
Lido API	Lido	Liquid staking metrics	✅ Free	🟢 Live	lido.fi
Pendle API	Pendle	Yield trading data	✅	🟢 Live	pendle.finance
EigenLayer API	EigenLayer	Restaking metrics	✅	🟢 Live	eigenlayer.xyz
Yearn API	Yearn	Vault data	✅ Free	🟢 Live	yearn.fi
Curve API	Curve	Curve pools + gauges	✅	🟢 Live	curve.fi

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🐳 Smart Money & On-Chain Intelligence APIs

API	Coverage	Strengths	Status	Website
⚡ Nansen API	Multichain	500M+ labeled wallets, smart-money flows	🟢 Live	nansen.ai
⚡ Arkham API	Multichain	Entity de-anonymisation, KOL tags	🟢 Live	arkm.com
Cielo API	30+ chains	Cross-chain wallet tracking	🟢 Live	cielo.finance
GMGN API	Multichain	Smart-money + KOL feeds (memecoin focus)	🟢 Live	gmgn.ai
Lookonchain	Multichain	Real-time whale tracking	🟢 Live	lookonchain.com
Bubblemaps API	Multichain	Holder cluster visualisation	🟢 Live	bubblemaps.io
MadeOnSol API	Solana	KOL trades + deployer reputation	🟢 Live	madeonsol.com/developer
Hyperbot API	Hyperliquid + Aster	Whale + copy-trading API	🟢 Live	hyperbot.network
HyperStats API	Hyperliquid	Wallet PnL + leaderboards	🟢 Live	hyperstats.org
Glassnode	BTC + ETH	Institutional on-chain metrics	🟢 Live	glassnode.com
IntoTheBlock	Multichain	Token holder + flow analytics	🟢 Live	intotheblock.com
Santiment	Multichain	On-chain + dev + social	🟢 Live	santiment.net
Bitquery Wallet PnL	8 chains	Wallet-level PnL via GraphQL	🟢 Live	bitquery.io

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👛 Wallet & Portfolio APIs

For wallet UIs, portfolio dashboards, and balance/PnL aggregation.

API	Coverage	Strengths	Status	Website
Zerion API	EVM	Wallet portfolio + DeFi positions	🟢 Live	zerion.io
Zapper API	EVM	DeFi portfolio + tx history	🟢 Live	zapper.xyz
DeBank Open API	EVM + Hyperliquid	Wallet activity + DeFi tracking	🟢 Live	open.debank.com
Octav API	20+ chains	Multi-chain portfolio tracking	🟢 Live	octav.fi
🎟️ CoinStats API	Multi	Mobile portfolio + alerts	🟢 Live	coinstats.app
Step Finance API	Solana	Solana portfolio dashboard	🟢 Live	step.finance
Birdeye Wallet API	Solana + Multi	Wallet PnL + holdings	🟢 Live	birdeye.so
HyperFolio API	HyperEVM + Hyperliquid	HL wallet + positions	🟢 Live	hyperfolio.xyz
Helius Wallet API	Solana	Solana wallet + DAS	🟢 Live	helius.dev
Bitquery Portfolio	8 chains	Wallet + multi-chain holdings	🟢 Live	bitquery.io
Rabby OpenAPI	EVM	Used by Rabby Wallet	🟢 Live	openapi.rabby.io
Bigmoon Portfolio	Multichain	Cross-chain holdings	🟢 Live	bigmoon.io

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💵 Stablecoin Data APIs

API	Strengths	Status	Website
DefiLlama Stablecoins	TVL + supply + chain breakdown	🟢 Live	defillama.com/stablecoins
Allium Stablecoin API	Enterprise stablecoin metrics	🟢 Live	allium.so
Visa Onchain Stablecoin	Visa-curated stablecoin volume	🟢 Live	visaonchainanalytics.com
Bitquery Stablecoin	Stablecoin transfers + flows	🟢 Live	bitquery.io
Tether Transparency API	USDT supply + reserves	🟢 Live	tether.to/transparency
Circle USDC Data	USDC supply, mint/burn	🟢 Live	circle.com
MakerDAO API	DAI supply + stability fees	🟢 Live	makerdao.com
Frax API	Frax stablecoin metrics	🟢 Live	frax.finance

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🌉 Bridge & Cross-Chain Data APIs

API	Coverage	Strengths	Status	Website
deBridge API	30+ chains	Cross-chain swap routing + fees	🟢 Live	debridge.finance
LiFi API	Multichain	Bridge aggregator + routing	🟢 Live	li.fi
Squid Router API	Multichain	Axelar-based cross-chain	🟢 Live	squidrouter.com
Socket API (formerly Bungee)	Multichain	Bridge aggregator API	🟢 Live	socket.tech
Stargate API	LayerZero chains	Stablecoin bridge	🟢 Live	stargate.finance
Wormhole API	30+ chains	Cross-chain messaging	🟢 Live	wormhole.com
Across API	EVM	Across bridge metrics	🟢 Live	across.to
Synapse API	Multichain	Bridge data	🟢 Live	synapseprotocol.com
Orbiter Finance API	EVM L2s	L2-to-L2 bridge	🟢 Live	orbiter.finance
DefiLlama Bridges	All bridges	TVL + volume per bridge	🟢 Live	defillama.com/bridges

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⚔️ MEV, Mempool & Block-Builder APIs

API	Coverage	Strengths	Status	Website
Flashbots Relay API	Ethereum	MEV-Boost relay data	🟢 Live	flashbots.net
Eigenphi	Multichain	MEV / sandwich analytics API	🟢 Live	eigenphi.io
BloXroute	Multichain	High-performance mempool + MEV	🟢 Live	bloxroute.com
MEV-Inspect	EVM	Open-source MEV indexer (Flashbots)	🟢 Live	GitHub
Jito Labs API	Solana	Solana MEV + bundle relays	🟢 Live	jito.network
Helius Mempool	Solana	Solana pre-confirmation mempool	🟢 Live	helius.dev
Helius Photon	Solana	Real-time tx subscription	🟢 Live	helius.dev
Manifold Finance	Multichain	MEV-protected RPC	🟢 Live	manifoldfinance.com
mev.fyi	Multichain	MEV research database	🟢 Live	mev.fyi
Sandwich.dev	EVM	Sandwich attack detection	🟢 Live	sandwich.dev

---

🔬 Transaction Simulation & Tracing APIs

API	Coverage	Strengths	Status	Website
⚡ Tenderly	EVM	Tx simulation + debugger + alerts	🟢 Live	tenderly.co
Alchemy Simulation API	EVM	Pre-confirm tx simulation	🟢 Live	alchemy.com
Phalcon (BlockSec)	EVM	Tx tracing + threat detection	🟢 Live	phalcon.blocksec.com
Rivet	EVM	Open-source tx debugging	🟢 Live	rivet.sh
Foundry / Anvil	EVM	Local fork + simulation (open-source)	🟢 Live	getfoundry.sh
Helius Tx Sim	Solana	Solana tx pre-flight simulation	🟢 Live	helius.dev
Fork.so	EVM	Fork-based simulation	🟢 Live	fork.so
Ethereum Tracer	Ethereum	trace_call, trace_block via Geth	🟢 Live	Ethereum Docs

---

🌊 Streaming APIs (Kafka, gRPC, WebSocket)

For low-latency, real-time blockchain data feeds — essential for trading bots, monitoring, and high-frequency analytics.

Provider	Streams	Coverage	Status	Website
⚡ Bitquery Kafka + gRPC	Trades, transfers, OHLC, blocks	8+ chains	🟢 Live	bitquery.io
⚡ Helius Webhooks + Photon	Solana	Solana	🟢 Live	helius.dev
⚡ QuickNode Streams	Block, log, trace	25+ chains	🟢 Live	quicknode.com
Triton Geyser	Solana	Sub-ms Solana streams	🟢 Live	triton.one
Substreams (StreamingFast)	Subgraph-style streams	EVM + Solana + Cosmos	🟢 Live	substreams.streamingfast.io
Goldsky Streams	EVM	EVM real-time indexing	🟢 Live	goldsky.com
Alchemy Notify	EVM	Webhook notifications	🟢 Live	alchemy.com/notify
Moralis Streams	EVM + Solana	Webhook + WebSocket	🟢 Live	moralis.io/streams
Web3.py / Web3.js Subscriptions	EVM	WebSocket subscriptions	🟢 Live	web3py.readthedocs.io
BloXroute BDN	Multichain	High-perf mempool stream	🟢 Live	bloxroute.com
Drift Grafana / WebSocket	Solana (Drift)	Real-time perp metrics	🟢 Live	drift.trade
Hyperliquid WebSocket	Hyperliquid	Order book + trade stream	🟢 Live	hyperliquid.gitbook.io
Pyth WebSocket	Multichain	High-frequency oracle prices	🟢 Live	pyth.network

---

🗄️ Historical & Archive Data APIs

For backtesting, research, audit, and long-tail analytics.

API	Coverage	Strengths	Status	Website
⚡ Bitquery Historical	Multi-year, 8+ chains	DEX trades + events going back years	🟢 Live	bitquery.io
⚡ Dune Analytics	Multichain	SQL on Spellbook tables	🟢 Live	dune.com
⚡ Flipside Crypto	Multichain	Curated SQL tables	🟢 Live	flipsidecrypto.xyz
Allium	Multichain	Enterprise structured archive	🟢 Live	allium.so
Goldsky Mirror	EVM	Postgres-style historical indexing	🟢 Live	goldsky.com/mirror
Google BigQuery (Crypto Public Datasets)	BTC + ETH + Solana	Free public datasets	🟢 Live	Google Cloud
AWS Public Blockchain Data	EVM + Solana	AWS-hosted public datasets	🟢 Live	aws.amazon.com
Chainalysis Reactor API	Multichain	Compliance + investigation	🟢 Live	chainalysis.com
TRM Labs API	Multichain	Compliance + risk data	🟢 Live	trmlabs.com
Footprint Analytics	Multichain	Historical chain data	🟢 Live	footprint.network
CoinAPI Historical	Markets	Historical OHLCV across exchanges	🟢 Live	coinapi.io

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📈 Subgraph & Custom Indexing

For builders who need their own indexed data (custom subgraphs, processors, ETL).

Tool	Strengths	Status	Website
⚡ The Graph	Decentralised subgraph network	🟢 Live	thegraph.com
⚡ Goldsky	Real-time EVM indexing + Mirror	🟢 Live	goldsky.com
⚡ Substreams (StreamingFast)	Stream-based indexing	🟢 Live	substreams.streamingfast.io
Subsquid	Open-source indexer	🟢 Live	subsquid.io
Envio	High-performance HyperIndex	🟢 Live	envio.dev
Subgraph Studio	The Graph hosted IDE	🟢 Live	thegraph.com/studio
Ponder	Open-source EVM indexing framework	🟢 Live	ponder.sh
Indexer 2.0 (Pinax)	The Graph-backed substreams	🟢 Live	pinax.network
Hyperindex	Envio's indexing engine	🟢 Live	envio.dev
Anchor IDL Indexer	Solana	Anchor-based Solana indexer	🟢 Live
DipDup	Tezos + EVM	Multi-chain framework	🟢 Live
Sentio	EVM + Solana	Indexer + analytics framework	🟢 Live

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🪙 Oracle APIs

Oracle	Coverage	Strengths	Status	Website
⚡ Chainlink Data Streams	Multichain	High-frequency push oracle	🟢 Live	chain.link/data-streams
⚡ Pyth Network	Multichain	Sub-second prices, 1900+ feeds	🟢 Live	pyth.network
Stork Oracle	Multichain	Sub-millisecond oracle	🟢 Live	stork.network
RedStone	Multichain	Modular oracle, on-demand	🟢 Live	redstone.finance
API3	Multichain	First-party oracles	🟢 Live	api3.org
Switchboard	Solana + EVM	Permissionless oracle	🟢 Live	switchboard.xyz
Band Protocol	Multichain	Multi-chain oracle	🟢 Live	bandprotocol.com
DIA	Multichain	Open-source data feeds	🟢 Live	diadata.org
UMA Oracle	Multichain	Optimistic oracle	🟢 Live	uma.xyz
Tellor	Multichain	Decentralised reporter	🟢 Live	tellor.io
eOracle	Multichain	EigenLayer-secured oracle	🟢 Live	eoracle.io

---

🔐 Embedded Wallet & Wallet-as-a-Service APIs

For building wallets into your app — passkeys, social logins, MPC, account abstraction.

Provider	Strengths	Status	Website
⚡ Privy	Email + social + passkey + MPC, full wallet lifecycle	🟢 Live	privy.io
⚡ Dynamic	Multi-wallet, social login, account abstraction	🟢 Live	dynamic.xyz
⚡ Magic	Email-based magic-link wallets	🟢 Live	magic.link
⚡ Web3Auth (Tor.us)	Social login + MPC	🟢 Live	web3auth.io
⚡ Turnkey	Programmable wallet infrastructure (used by Padre, GRVT)	🟢 Live	turnkey.com
Coinbase WaaS	Coinbase MPC + EVM	🟢 Live	docs.cdp.coinbase.com
Para (formerly Capsule)	Programmable embedded wallets	🟢 Live	getpara.com
OpenZeppelin Defender	Secure relays + automation	🟢 Live	defender.openzeppelin.com
Fireblocks	Institutional MPC custody + ops	🟢 Live	fireblocks.com
Copper	Institutional custody + settlement	🟢 Live	copper.co
Anchorage	Federally chartered crypto bank	🟢 Live	anchorage.com
Lit Protocol	Decentralized key management	🟢 Live	litprotocol.com
ZenGo SDK	MPC mobile-first wallet	🟢 Live	zengo.com
Particle Network	Smart wallet + intent layer	🟢 Live	particle.network
Crossmint	Embedded wallets + onramps + minting	🟢 Live	crossmint.com
Pimlico	Account-abstraction infra (bundler/paymaster)	🟢 Live	pimlico.io
Biconomy	Account abstraction stack	🟢 Live	biconomy.io
Stackup	ERC-4337 bundler + paymaster	🟢 Live	stackup.sh
ZeroDev	Smart accounts + AA infra	🟢 Live	zerodev.app
Safe (formerly Gnosis Safe)	Multi-sig wallet infra	🟢 Live	safe.global

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🔑 Authentication, Identity & Social Login APIs

Provider	Strengths	Status	Website
SIWE (Sign-In with Ethereum)	The standard EIP-4361 flow	🟢 Live	login.xyz
Sign-In with Solana	Solana equivalent	🟢 Live	Solana docs
WalletConnect	Wallet → dApp protocol	🟢 Live	walletconnect.com
Reown (formerly WalletConnect Cloud)	Hosted WC infrastructure	🟢 Live	reown.com
AppKit	Reown's React/Web SDK for wallet UX	🟢 Live	reown.com
Privy	Social login + embedded wallets	🟢 Live	privy.io
Lens API	Social graph + identity	🟢 Live	lens.xyz
Farcaster API (Neynar)	Farcaster social + identity	🟢 Live	neynar.com
ENS API	Ethereum name service lookups	🟢 Live	ens.domains
Unstoppable Domains API	Crypto domain resolution	🟢 Live	unstoppabledomains.com
Lit Protocol	Decentralised access control	🟢 Live	litprotocol.com
Push Protocol	Web3 notifications	🟢 Live	push.org
XMTP	Web3 messaging	🟢 Live	xmtp.org
Gitcoin Passport	Sybil-resistance identity	🟢 Live	passport.gitcoin.co
Worldcoin (World ID)	Proof-of-personhood	🟢 Live	worldcoin.org

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🤝 MCPs for Blockchain Data (AI Agents)

Connect AI agents (Claude / Cursor / ChatGPT / Codex) directly to blockchain data via Model Context Protocol. See Awesome Crypto MCPs for the complete list.

MCP	Source	Capabilities	Status	Link
⭐ Bitquery MCP	Bitquery	DEX trades, OHLC, market cap, wallet PnL across 8 chains in plain English	🟢 Live	mcp.bitquery.io
Alchemy MCP	Alchemy	159 tools for token / NFT / tx history / contract sim across 100+ chains	🟢 Live	Alchemy MCP
Chainstack MCP	Chainstack	Manage nodes, search docs, infra mgmt	🟢 Live	Chainstack MCP
QuickNode MCP	QuickNode	Endpoint config, usage, billing	🟢 Live	QuickNode MCP
Tatum MCP	Tatum	130+ networks via Tatum API	🟢 Live	Tatum MCP
Nodit MCP	Nodit	Multi-chain Web3 API access	🟢 Live	Nodit MCP
Moralis MCP	Moralis	Wallet activity, token metrics, dapp usage	🟢 Live	Moralis MCP
thirdweb AI	thirdweb	Insight + Engine + Storage + Nebula	🟢 Live	thirdweb AI
Blockscout MCP	Blockscout	EVM explorer data via MCP	🟢 Live	Blockscout MCP
Dune Analytics MCP	Dune	SQL on indexed chains via AI	🟢 Live	Dune MCP
The Graph MCP	The Graph	Search subgraphs, GraphQL queries	🟢 Live	Graph MCP
Etherscan MCP	Etherscan	Pull EVM tx history into AI agent	🟢 Live	Etherscan MCP
Solana Agent Kit MCP	SendAI	40+ Solana actions for AI agents	🟢 Live	Solana Agent Kit
Bird Eye MCP	Birdeye	Real-time Solana on-chain data	🟢 Live	Birdeye
Pyth Network MCP	Pyth	1,930+ feeds, real-time prices, TWAP	🟢 Live	Pyth MCP
Chainlink Feeds MCP	Chainlink	Real-time decentralized prices	🟢 Live	Chainlink MCP
DexScreener Trending MCP	DexScreener	Trending tokens feed	🟢 Live	DexScreener MCP
Dappier MCP	Dappier	Real-time crypto + finance content	🟢 Live	Dappier MCP

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🌍 DePIN Data Networks

Decentralized data networks providing alternative bandwidth, scraping, and indexing infrastructure.

Network	Type	Status	Website
🎟️ Grass	Bandwidth-as-a-service for AI training	🟢 Live	getgrass.io
Hivemapper	Decentralized mapping network	🟢 Live	hivemapper.com
IoTeX	DePIN platform + DePIN-RPC	🟢 Live	iotex.io
Helium	Decentralized 5G + IoT	🟢 Live	helium.com
Filecoin	Decentralized storage	🟢 Live	filecoin.io
Arweave	Permanent storage protocol	🟢 Live	arweave.org
Akash Network	Decentralized cloud compute	🟢 Live	akash.network
Render Network	Decentralized GPU compute	🟢 Live	rendernetwork.com

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🏛️ CEX / Exchange APIs

For builders who need both on-chain and off-chain (CEX) data.

Exchange	API Strengths	Status	Website
🎟️ Binance API	Largest spot + futures, broad	🟢 Live	binance.com
🎟️ Bybit API	Derivatives-focused, strong futures + options	🟢 Live	bybit.com
🎟️ OKX API	Spot + Web3 wallet API	🟢 Live	okx.com
🎟️ MEXC API	Wide altcoin coverage	🟢 Live	mexc.com
🎟️ KuCoin API	Strong altcoin + futures	🟢 Live	kucoin.com
Coinbase API	US-regulated, institutional	🟢 Live	coinbase.com
🎟️ Kraken API	Mature spot + margin + futures	🟢 Live	kraken.com
🎟️ Gate.io API	Wide altcoin coverage	🟢 Live	gate.io
🎟️ Bitget API	Copy trading + derivatives	🟢 Live	bitget.com
Bitstamp API	EU-regulated	🟢 Live	bitstamp.net
Crypto.com API	Retail + institutional	🟢 Live	crypto.com
Deribit API	Crypto options + futures	🟢 Live	deribit.com
CoinAPI Unified	Unified across CEXs + DEXs	🟢 Live	coinapi.io
CCXT	Open-source unified CEX library	🟢 Live	ccxt.com

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🛠️ SDKs & Libraries

SDK	Language	Coverage	Status	Website
ethers.js	JS / TS	EVM	🟢 Live	ethers.io
viem	TS	EVM (modern, type-safe)	🟢 Live	viem.sh
wagmi	TS / React	EVM React hooks	🟢 Live	wagmi.sh
web3.js	JS	EVM	🟢 Live	web3js.readthedocs.io
web3.py	Python	EVM	🟢 Live	web3py.readthedocs.io
Alloy	Rust	EVM (modern Rust)	🟢 Live	alloy.rs
Foundry	Rust	EVM dev framework	🟢 Live	getfoundry.sh
Hardhat	JS / TS	EVM dev framework	🟢 Live	hardhat.org
@solana/web3.js	TS	Solana	🟢 Live	solana-labs.github.io
@solana/kit	TS	Solana 2.0 SDK	🟢 Live	solanakit.com
Anchor	Rust	Solana smart-contract framework	🟢 Live	anchor-lang.com
Solders	Python	Solana	🟢 Live	GitHub
Solana Agent Kit	TS	AI-agent toolkit (SendAI)	🟢 Live	GitHub
GOAT SDK	TS / Python	Multi-chain AI-agent SDK	🟢 Live	GitHub
Hyperliquid Python SDK	Python	Hyperliquid	🟢 Live	GitHub
CCXT	Python / JS / PHP	CEX unification	🟢 Live	ccxt.com
Bitcoin Core libbitcoin	C++	Bitcoin	🟢 Live	libbitcoin
lncli / LND SDK	Go	Lightning	🟢 Live	lightning.engineering
Bitquery SDKs	TS / Python	GraphQL client wrappers	🟢 Live	bitquery.io
Helius SDK	TS	Solana	🟢 Live	helius.dev

---

🆓 Free Public APIs

For hobbyists, side-projects, and indie hackers who want to avoid signups.

API	Coverage	Status	Website
🆓 CoinGecko Demo	Prices + market cap	🟢 Live	coingecko.com/api
🆓 DexScreener	All DEX pairs	🟢 Live	docs.dexscreener.com
🆓 GeckoTerminal	DEX data	🟢 Live	geckoterminal.com/api
🆓 DefiLlama	TVL + DEX volumes	🟢 Live	defillama.com/docs/api
🆓 Bitquery free tier	Cross-chain GraphQL	🟢 Live	bitquery.io
🆓 CoinPaprika	Free market data	🟢 Live	coinpaprika.com
🆓 CoinLore	Free price data	🟢 Live	coinlore.com
🆓 Mempool.space	Bitcoin mempool	🟢 Live	mempool.space
🆓 Blockchain.com	Bitcoin data	🟢 Live	blockchain.com
🆓 Solana RPC (public)	Solana	🟢 Live	docs.solana.com
🆓 PublicNode	EVM RPC public endpoints	🟢 Live	publicnode.com
🆓 Etherscan (free tier)	EVM tx history	🟢 Live	etherscan.io
🆓 Solscan free	Solana explorer data	🟢 Live	solscan.io
🆓 Uniswap subgraphs	Uniswap data	🟢 Live	uniswap.org

---

📚 Resources & Guides

Comparison & benchmarks

• CoinCodeCap — Solana gRPC: Helius vs Bitquery vs QuickNode vs Shyft
• CoinCodeCap — Top 7 Solana gRPC Providers (2026)
• Alchemy — Best Blockchain APIs for Onchain Apps
• CoinMarketCap — Best Cryptocurrency APIs of 2026
• CoinMarketCap — Top 10 CoinGecko API Alternatives
• Coinmonks Medium — 5 Best On-Chain Data APIs (2026)
• OnchainDeck — Best RPC & Infrastructure Tools 2026
• Chainstack — Best Ethereum RPC Providers 2026
• QuickNode — Best Ethereum RPC Providers Full Comparison

Bitquery deep-dives

• Bitquery Docs
• Bitquery Pump.fun API
• Bitquery Crypto Trades API
• Bitquery Crypto Price API
• Bitquery Price Index Algorithm
• Bitquery MCP — Overview
• DEXrabbit (free dashboard)

Tutorials & how-tos

• How to add an MCP server to Cursor
• How to add an MCP to Claude Desktop
• Helius Solana RPC Quickstart
• Anchor Solana Programs Tutorial
• Hardhat EVM Smart Contract Tutorial
• Foundry Book

Communities

• The Graph Discord
• Bitquery Telegram
• Helius Discord
• Solana Stack Exchange
• Ethereum Stack Exchange

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🔗 Related Awesome Lists

• Awesome Crypto MCPs — 110+ MCP servers (Bitquery, Alchemy, Helius, etc.) for AI-agent integrations.
• Awesome Memecoin Trading — 295+ memecoin trading tools — many built on the APIs in this list.
• Awesome Perp DEXs — 200+ perp DEXs + analytics tools — also API consumers.
• Awesome Crypto Tax — 150+ crypto tax tools — most use the APIs in this list as their data layer.
• Awesome Prediction Markets — Polymarket, Kalshi, Limitless platforms + tools.

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🤝 Contributing

PRs welcome — the API/infrastructure space ships fast.

1. Fork this repo, create a feature branch (e.g. feature/add-foo-api).
2. Match the table format of the section you're editing.
3. Quality bar:
   • API must be live (or in beta — mark 🟡)
   • Must serve real builders (no marketing-page-only projects)
   • Free-tier or pricing transparency required
   • Not abandoned
4. Use the legend consistently (🟢 / 🟡 / 🔴 / ⚡ / 🆕 / 🎟️ / 🆓).
5. No referral spam. One affiliate link per row max.
6. Open a PR with a one-line summary.

For corrections (broken links, dead projects, wrong free-tier limits) — open an issue or PR.

---

📄 License

MIT — see LICENSE.

---

Note: API pricing, free-tier limits, and feature sets change weekly. Always verify on the provider's pricing page before integrating into production. Some links in this list are affiliate / referral links (marked 🎟️) — they don't change the price you pay.

Made with ⚡ for the on-chain builder community.

---

🔍 Related Searches

If you arrived here looking for any of the following, you're in the right place:

blockchain API · crypto data API · Bitquery · Alchemy · Moralis · Helius · QuickNode · Solana RPC · Ethereum RPC · crypto market data API · DEX API · NFT API · wallet API · embedded wallet · Privy · Dynamic · WaaS · MCP for blockchain · crypto streaming API · Kafka blockchain · gRPC Solana · subgraph · The Graph · Goldsky

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📈 Popular Use Cases

• Trading bot builder — Bitquery (real-time + outlier-filtered) + Helius / Triton for Solana speed + Pyth for sub-second prices.
• AI trading agent — Bitquery MCP + Solana Agent Kit MCP + Hyperliquid MCP — drop into Claude / Cursor for plain-English data + execution.
• DeFi dashboard — DefiLlama + Token Terminal + Dune for protocol metrics; Bitquery + The Graph for raw protocol events.
• NFT marketplace / aggregator — Reservoir + OpenSea + Magic Eden + Helius DAS for Solana.
• Wallet UI — Zerion / Zapper / DeBank for EVM portfolio; Step Finance / Helius for Solana; Privy / Dynamic for embedded auth.
• Crypto tax engine — Bitquery raw trades + CoinLedger / TaxBit / Awaken APIs for tax-form generation. (See Awesome Crypto Tax.)
• Memecoin scanner — Bitquery Pump.fun / LetsBonk + DexScreener + Birdeye for daily flow + GMGN / MadeOnSol for KOL signals.
• Smart-money copy-trading — Cielo + Nansen + Arkham + GMGN smart-money APIs feeding a trading bot.
• Compliance / forensics — Chainalysis + TRM Labs + Arkham + Bitquery audit trail.
• Embedded wallet for a consumer app — Privy or Dynamic for social login + Pimlico / Stackup for AA + Coinbase WaaS for MPC.
• Indie hacker on a budget — DexScreener + GeckoTerminal + DefiLlama + CoinGecko Demo (all 100% free).
• Hyperliquid trader / builder — HyperRPC + Bitquery + Hyperliquid Python SDK + Helius (for Solana cross-asset) + Hyperdash analytics.
• Cross-chain swap router — LiFi + Squid + Socket + deBridge for multi-bridge routing.
• Researcher / analyst — Dune + Flipside + Allium + Footprint for SQL-based crypto research.
• MEV bot — Flashbots + Jito + bloXroute + Bitquery for back-running detection.