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What is 1tx?

1tx is a Universal DeFi Instrument Registry and Atomic Router that provides:
  • Universal Instrument Identifiers: Unique IDs for every DeFi instrument
  • Atomic Routing: Single-transaction execution of router buy/sell flows (swap → deposit)

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What is an Instrument?

In 1tx, an instrument represents a specific DeFi position. It’s the combination of:
  • Protocol - Where you deposit (Aave, Compound, Morpho, Euler, Fluid)
  • Asset - What you deposit (USDC, EURC, DAI, etc.)
  • Blockchain - Where it lives (Base, Ethereum, etc.)
Example: “Aave USDC on Base” is one instrument. “Compound USDC on Base” is a different instrument - same asset, different protocol. Each instrument has a unique ID that works everywhere: 
0x00002105c053a3e1290845e12a3eea14926472ce7f15da324cdf0700056fc04b
This ID lets you query yields, compare options, and execute deposits without knowing the underlying protocol details.

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The Problem We Solve

Today, DeFi has thousands of instruments but no universal way to identify or compare them:
  • Multi-step workflows (swap → approve → deposit) are complex and error-prone
  • Each protocol requires custom integration (Aave vs Morpho vs Compound)
  • No universal identifiers for comparing yields across chains/protocols
  • Institutions and AI agents can’t operate at scale without standardization

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The Solution

1tx enables one-click deposits to any lending protocol: 
User sends USDC → 1tx automatically:
  1. Detects target token (e.g., EURC)
  2. Swaps USDC → EURC invisibly
  3. Deposits EURC to protocol (e.g., Aave)
  4. Returns yield tokens (e.g., aEURC)
All in ONE atomic transaction ✅

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Key Features

Universal Instrument IDs

Unique identifiers for every DeFi position across all chains and protocols

Atomic Routing

Execute complex multi-step DeFi flows in a single transaction

Contract Addresses

Base Mainnet router, registries, adapters, and infrastructure addresses

How It Works

See how the router, registries, swap pools, and adapters fit together

Quickstart

Get started with 1tx in 5 minutes

API Reference

Explore our REST API endpoints

Integration Guides

Choose your integration pattern

Use Cases

See how 1tx helps your use case

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Who Is This For?

Integrate directly with smart contracts to offer seamless multi-protocol deposits
Use our API with embedded wallets for automated yield optimization
Offer institutional-grade DeFi access through our standardized interface
Build on top of universal DeFi standards with our SDK and API

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Get Started

Read the Quickstart

Complete your first integration

Explore the API

Test our REST endpoints

Join Community

Get help from our team