# 1tx Documentation

## Docs

- [Authentication](https://docs.1tx.fi/api-reference/authentication.md): API key management and authentication
- [CCTP API](https://docs.1tx.fi/api-reference/endpoints/cctp.md): Estimate bridge fees and monitor cross-chain execution by source transaction hash
- [Chains API](https://docs.1tx.fi/api-reference/endpoints/chains.md): Get supported blockchains and contract addresses
- [Instruments API](https://docs.1tx.fi/api-reference/endpoints/instruments.md): Query and discover DeFi instruments
- [Metrics API](https://docs.1tx.fi/api-reference/endpoints/metrics.md): Get historical APY, TVL, and performance metrics
- [Positions API](https://docs.1tx.fi/api-reference/endpoints/positions.md): Query user positions and balances
- [Protocols API](https://docs.1tx.fi/api-reference/endpoints/protocols.md): Query supported DeFi protocols
- [Quotes API](https://docs.1tx.fi/api-reference/endpoints/quotes.md): Get swap quotes for deposits and withdrawals
- [Transactions API](https://docs.1tx.fi/api-reference/endpoints/transactions.md): Build buy and sell calldata bundles for direct wallet execution
- [Yield Index API](https://docs.1tx.fi/api-reference/endpoints/yield-index.md): Benchmark DeFi yield instruments against category indexes and derived risk features
- [API Introduction](https://docs.1tx.fi/api-reference/introduction.md): Get started with the 1tx REST API
- [Atomic Router](https://docs.1tx.fi/concepts/atomic-router.md): Single-transaction execution of multi-step DeFi flows
- [Instrument Registry](https://docs.1tx.fi/concepts/instrument-registry.md): Universal identifier system for DeFi instruments
- [Contract Addresses](https://docs.1tx.fi/contracts/addresses.md): Base, Arbitrum, and Unichain router, registry, adapter, and bridge addresses
- [How It Works](https://docs.1tx.fi/how-it-works.md): Understand the 1tx architecture
- [API Cookbook](https://docs.1tx.fi/integration/api-cookbook.md): End-to-end recipes for building calldata, executing transactions, and monitoring cross-chain buys
- [Direct Contract Cookbook](https://docs.1tx.fi/integration/direct-contract-cookbook.md): Call 1tx contracts directly with viem for buy and sell flows
- [Integration Overview](https://docs.1tx.fi/integration/overview.md): Choose the best integration pattern for your use case
- [Introduction](https://docs.1tx.fi/introduction.md): Welcome to 1tx - The Universal DeFi Instrument Registry & Atomic Router
- [Quickstart](https://docs.1tx.fi/quickstart.md): Get started with 1tx in under 5 minutes
- [AI Agents](https://docs.1tx.fi/use-cases/ai-agents.md): Why 1tx enables autonomous DeFi agents
- [DeFi Protocols](https://docs.1tx.fi/use-cases/defi-protocols.md): Why 1tx improves protocol accessibility
- [Exchanges](https://docs.1tx.fi/use-cases/exchanges.md): Why 1tx enables institutional DeFi access
- [Wallets](https://docs.1tx.fi/use-cases/wallets.md): Why 1tx is perfect for wallet applications

## OpenAPI Specs

- [openapi](https://docs.1tx.fi/api-reference/openapi.json)

## Optional

- [GitHub](https://github.com/Pond3rxyz/1tx-contracts)
- [Community](https://discord.gg/1tx)