SwapKit
Developers

API code examples.

Copy-paste requests for the SwapKit API. Replace $SWAPKIT_API_KEY with your key from the dashboard.

Get API KeyTalk to the team

01

List providers and tokens

  1. 1

    Providers

    Every available provider and the chains it supports.

  2. 2

    Tokens

    Search supported tokens, optionally for one provider.

Terminal 
curl "https://api.swapkit.dev/providers" -H "x-api-key: $SWAPKIT_API_KEY"

curl "https://api.swapkit.dev/tokens?provider=NEAR" -H "x-api-key: $SWAPKIT_API_KEY"

02

Quote and build a swap

  1. 1

    Quote

    Price the swap across every provider. No addresses needed yet.

  2. 2

    Build

    Pass the chosen routeId with your user's addresses to get a ready-to-sign transaction.

Terminal 
curl -X POST "https://api.swapkit.dev/v3/quote" \
  -H "Content-Type: application/json" -H "x-api-key: $SWAPKIT_API_KEY" \
  -d '{"sellAsset":"ETH.ETH","buyAsset":"BTC.BTC","sellAmount":"0.05","slippage":3}'

curl -X POST "https://api.swapkit.dev/v3/swap" \
  -H "Content-Type: application/json" -H "x-api-key: $SWAPKIT_API_KEY" \
  -d '{"routeId":"ROUTE_ID","sourceAddress":"0xYOUR_ETH_ADDRESS","destinationAddress":"YOUR_BTC_ADDRESS"}'

03

Track the swap

  1. 1

    Track

    Pass the transaction hash and the sell chain's ID. Poll until the status is completed, refunded or failed.

  2. 2

    Share

    Users can follow the same swap at track.swapkit.dev.

Terminal 
curl -X POST "https://api.swapkit.dev/track" \
  -H "Content-Type: application/json" -H "x-api-key: $SWAPKIT_API_KEY" \
  -d '{"hash":"0xYOUR_TRANSACTION_HASH","chainId":"1"}'
Full walkthrough in the quickstart →

Ship cross-chain swaps this week.

One integration for 10,000+ assets across 30+ chains, with limit orders and Hyperliquid deposits included. Non-custodial by design.

Start building Read the docs