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Trading API

The Uniswap Trading API provides quote generation and transaction building for token swaps across 25+ chains. It handles route optimization, gas estimation, and transaction encoding, while your application manages balances, signing, and transaction broadcasting.

Get your API key​

Create an account in the Trading API Developer Portal to generate your API key.

info

For complete endpoint coverage, authentication requirements, and implementation patterns, see the API Integration Guide.

Quick Start​

Get started with the Uniswap Agent CLI skill, or send a direct request using the cURL example below.

Agent CLI​

If you are using Agent CLI:

npx skills add uniswap/uniswap-ai --skill swap-integration

cURL Reference​

Never commit real API keys to the repository. Use environment variables or placeholders.

curl --request POST \
  --url https://trade-api.gateway.uniswap.org/v1/quote \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: YOUR_API_KEY' \
  --header 'x-universal-router-version: 2.0' \
  --data '{
  "generatePermitAsTransaction": false,
  "autoSlippage": "DEFAULT",
  "routingPreference": "BEST_PRICE",
  "spreadOptimization": "EXECUTION",
  "urgency": "urgent",
  "permitAmount": "FULL",
  "type": "EXACT_INPUT",
  "amount": "1000000000000000000",
  "tokenInChainId": "1",
  "tokenOutChainId": "1",
  "tokenIn": "0x0000000000000000000000000000000000000000",
  "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
  "swapper": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}'
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