Read docs Updated 2026-06-16
What is 1inch?
The 1inch API enables queries against decentralized exchange platforms.
It is useful for developers and applications needing finance data from blockchain-based trading venues.
What you can build with 1inch
Build a DEX price aggregator
Query real-time swap rates across multiple liquidity sources to display the best prices in a crypto dashboard or wallet app.
Power trading bots with optimal routes
Fetch aggregation data to automatically route trades through the most efficient paths on Ethereum and other chains.
Integrate swap quotes into DeFi tools
Embed 1inch quote endpoints in portfolio trackers or yield optimizers to show expected output amounts before users execute trades.
Get started with 1inch
- 1Visit the official 1inch API documentation site
- 2Review the available public endpoints for quotes and liquidity
- 3Construct HTTPS GET requests with required query parameters
- 4Parse the JSON response containing routes and rates
- 5Handle rate limits and implement basic error handling in your code
1inch: pros & cons
Pros
- +No authentication required
- +Direct access to aggregated DEX data
- +HTTPS-only for secure requests
- +Real-time pricing across multiple sources
Cons
- –Public endpoints only, no private account data
- –Subject to usage rate limits
- –Dependent on 1inch maintaining uptime and coverage
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Frequently asked questions
It is a public HTTPS service that returns decentralized exchange aggregation data such as swap quotes and liquidity routes without requiring authentication.
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