Swap aggregator protocol and APIs for DEX liquidity.
Featured APIs
89 APIs
SDK and APIs for Aave lending markets and position management.
DeFi Primitives: DeFi, Lending
What can you build?
- Borrow/lend apps
- Yield aggregators
Lightning wallet API for micropayments and web monetization.
Blockchain node infrastructure and developer APIs.
Infrastructure: RPC, Indexing
What can you build?
- Trading platform
- NFT marketplace
Solana development framework for programs, tests, and IDLs.
Multichain RPC and staking infrastructure for dapps.
First-party oracle network with dAPI feeds and Airnode integrations.
Oracles & Real World Data: Oracles, Market Data
What can you build?
- dAPI feeds
- Airnode integrations
Official Aptos SDK for Move contracts, accounts, and transactions.
Permanent decentralized storage for immutable media and docs.
Cross-chain SDK for bridging assets and interchain dapps.
Private smart contracts and shielded execution on Ethereum.
Transaction infrastructure for gasless UX and bundler APIs.
Gasless & Paymaster: Gasless, Account Abstraction
What can you build?
- Gasless UX
- Bundler APIs
Free-tier multichain RPC for low-latency applications.
Embedded wallet SDK for in-app wallets and gasless UX.
Wallets: Embedded Wallets, Account Abstraction
What can you build?
- In-app wallets
- Gasless UX
Decentralized data network for portable user profiles.
Blockchain analytics and compliance screening tools.
Managed blockchain nodes and dedicated RPC endpoints.
Decentralized oracle network for price feeds and RWA data.
USDC issuance, treasury, and programmable wallet APIs.
Toolkit for building AI agents with wallet and onchain actions.
TypeScript client for Cosmos SDK chains and IBC transfers.
DEX analytics API for token screeners and trading dashboards.
Analytics: Market Data, Analytics, Trading API
What can you build?
- Token screeners
- Trading dashboards
Solana messaging and notification rails for wallets and apps.
Messaging & Social: Messaging, Notifications
What can you build?
- Wallet notifications
- In-app alerts
Community-driven blockchain analytics and SQL queries.
Analytics: Analytics, Market Data, Indexing
What can you build?
- Trading platform
- DeFi dashboard
Wallet and auth SDK for multi-wallet login and gated dapp access.
Authentication: Wallet Login, Embedded Wallets, Social Login
What can you build?
- Multi-wallet login
- Gated dapp access
Open agent framework for AI assistants and onchain automation.
Ethereum Name Service for human-readable onchain identity.
Fast multichain indexer for custom pipelines and live events.
Data: Indexing, Analytics
What can you build?
- Custom indexers
- Real-time event tracking
Decentralized social protocol for feeds, frames, and mini apps.
Blazing fast Solidity toolkit for testing and deployment.
Decentralized AI network for private nodes and agent backends.
Identity scoring for sybil resistance and fair airdrops.
Subgraph hosting and mirror pipelines for live on-chain data.
Ethereum development environment for local chains and scripts.
Solana RPC, webhooks, and enriched transaction APIs.
Model hosting, inference APIs, and ML community hub.
High-performance perpetuals exchange with public API.
Trading: Perps, Trading API, Market Data, Trading Bots
What can you build?
- Trading Platform
- Trading Bot
Bug bounty and audit platform for Web3 protocols.
Bug Bounty: Bug Bounty, Hackathons
What can you build?
- Bug bounty platform
- DeFi protocol launch
Decentralized storage protocol for content-addressed files.
Solana swap aggregator SDK for routing and DCA strategies.
Omnichain messaging protocol for cross-chain apps.
IPFS and Filecoin storage with encryption for Web3 assets.
Unified API proxy for 100+ LLM providers.
Lightning Network daemon for channels, invoices, and Bitcoin payments.
Card issuing and payment card infrastructure APIs.
Cards: Card Issuing, Virtual Cards, Payroll
What can you build?
- Crypto neobank
- Payroll app
NFT standard and SDK for digital assets on Solana.
Global crypto onramp for fiat gateways and token purchases.
Official Sui TypeScript SDK for objects, transactions, and wallets.
Wallet intelligence and smart-money analytics for onchain research.
Analytics: Analytics, Market Data
What can you build?
- Smart money trackers
- Wallet profilers
Multichain RPC and indexing with Aptos-first developer APIs.
Run large language models locally with a simple API.
Game-focused wallet infrastructure with session keys.
Wallets: Embedded Wallets, Account Abstraction
What can you build?
- In-game wallets
- Session keys
Audited smart contract libraries and security tooling.
ERC-4337 infrastructure for bundlers, paymasters, and smart accounts.
Gasless & Paymaster: Gasless, Account Abstraction
What can you build?
- Gasless transactions
- Smart accounts
Bank account linking and financial data APIs.
Local-first indexing framework for Ethereum app development.
Wallet onboarding and embedded wallet infrastructure for apps.
Authentication: Wallet Login, Embedded Wallets, Social Login, Account Abstraction
What can you build?
- Wallet Login
- Embedded Wallet Apps
Web3 notification network for wallet alerts and channel broadcasts.
Messaging & Social: Notifications, Messaging
What can you build?
- Wallet alerts
- DAO announcements
High-fidelity oracle network for real-time price feeds.
Multichain node provider with Streams for real-time webhooks.
Infrastructure: RPC, Indexing, Market Data
What can you build?
- Webhook alerts
- Transaction monitors
Card issuing and payment infrastructure for crypto-native apps.
Cards: Card Issuing, Virtual Cards, Payroll, Payments
What can you build?
- Crypto neobank
- Payroll app
React wallet connection library with polished UX.
Wallets: Wallet Login, Embedded Wallets
What can you build?
- Wallet login system
- NFT marketplace
Browser-based Solidity IDE for rapid prototyping.
Crypto invoicing and payment requests onchain.
Payments: Payments, Payroll, Stablecoins
What can you build?
- Crypto payroll
- Invoice financing
Full-stack Ethereum starter kit for rapid dapp prototyping.
Zero-knowledge groups for anonymous signaling and private identity.
Sui node infrastructure and gas station for sponsored transactions.
Solana APIs for transaction parsing and wallet activity feeds.
MEV-aware routing and cross-chain swap infrastructure for Cosmos.
DeFi Primitives: Cross-chain, DeFi, Trading API
What can you build?
- Cross-chain swaps
- Relayer infra
High-performance L1 for scalable consumer and DeFi applications.
Decentralized data lake for historical on-chain queries.
SDK for Bitcoin-anchored smart contracts on the Stacks layer.
Payment processing and financial infrastructure APIs.
Open-source Firebase alternative with Postgres and auth.
Authentication: Social Login, Passkeys
What can you build?
- SocialFi app
- Bug bounty platform
Bot API for alerts, trading signals, and user notifications.
Permissionless oracle for custom data feeds and dispute resolution.
Transaction simulation, debugging, and monitoring for EVM chains.
Infrastructure: RPC, Analytics
What can you build?
- Transaction simulators
- Gas profilers
Decentralized indexing for querying blockchain data via GraphQL.
Standardized protocol financials and revenue metrics.
SDK for The Open Network and Telegram-native mini app payments.
Fiat onramp API for buy-crypto flows and NFT checkout.
Wallet infrastructure with MPC key management for teams.
Wallets: Embedded Wallets, MPC, Wallet Login
What can you build?
- Embedded wallets
- MPC key management
Official SDK for Uniswap swaps, routing, and liquidity management.
DeFi Primitives: DeFi, Trading API
What can you build?
- Token swaps
- Liquidity managers
TypeScript Ethereum client for RPC, contracts, and transactions.
React hooks for Ethereum wallets, contracts, and chain state.
Developer Experience: Wallet Login
What can you build?
- Wallet UIs
- Contract interactions
Open protocol connecting wallets to decentralized applications.
Authentication: Wallet Login, Passkeys
What can you build?
- Wallet login system
- DeFi dashboard
Cross-chain bridge SDK for tokens and NFTs.
Wallet-to-wallet messaging protocol for encrypted onchain DMs.
Account abstraction toolkit with session keys and sponsored gas.
Gasless & Paymaster: Gasless, Account Abstraction
What can you build?
- Session keys
- Sponsored gas