# Swap API (Kodiak Router)

{% hint style="warning" %}
This is for the legacy Kodiak Router (SwapRouter02).  For most users, Swap API (kX) is the better option.  Kodiak Router is primarily used by automated bots that want low-latency, high quality API. 
{% endhint %}

### Overview

This API allows fetching quotes for token swaps and provides transaction data (`calldata`) for execution if the parameters `slippageTolerance`, `deadline`, and `recipient` are specified. This enables direct interaction with smart contracts.

{% hint style="info" %}
Make sure to use the api.kodiak.finance endpoint below - no other legacy endpoints.
{% endhint %}

**URL:**

`https://api.kodiak.finance/quote`

**Method:**\
`GET`

**Content Type:**\
`application/json`

### Query Parameters

<table><thead><tr><th width="239">Parameter</th><th width="104">Required</th><th>Description</th></tr></thead><tbody><tr><td>protocols</td><td>✅</td><td>The protocols used for the swap. Possible values: <code>v2</code>, <code>v3</code>, <code>mixed</code>.</td></tr><tr><td>tokenInAddress</td><td>✅</td><td>Address of the input token for the swap.</td></tr><tr><td>tokenInChainId</td><td>✅</td><td>Chain ID of the input token.</td></tr><tr><td>tokenOutAddress</td><td>✅</td><td>Address of the output token for the swap.</td></tr><tr><td>tokenOutChainId</td><td>✅</td><td>Chain ID of the output token.</td></tr><tr><td>amount</td><td>✅</td><td>Amount of tokens to swap in humman terms</td></tr><tr><td>type</td><td>✅</td><td>Type of swap: <code>exactIn</code> (fixed input amount) or <code>exactOut</code> (fixed output amount).</td></tr><tr><td>recipient</td><td>❌</td><td>The address of the recipient of the swapped tokens. Required for generating <code>calldata</code>.</td></tr><tr><td>deadline</td><td>❌</td><td>Time in seconds until the transaction expires.</td></tr><tr><td>slippageTolerance</td><td>❌</td><td>Allowed slippage percentage as an integer (e.g., 1 for 1%).</td></tr></tbody></table>

### Example Request

{% code overflow="wrap" %}

```
GET https://api.kodiak.finance/quote?protocols=v2,v3,mixed&tokenInAddress=0x7507c1dc16935B82698e4C63f2746A2fCf994dF8&tokenInChainId=80084&tokenOutAddress=0x1740F679325ef3686B2f574e392007A92e4BeD41&tokenOutChainId=80084&amount=40862354775778842528071&type=exactIn&recipient=0xA54e745BFf14816Ec6D323d894E7861b6Ef3F2aE&deadline=1000&slippageTolerance=1
```

{% endcode %}

### Example response

```json
{
  "blockNumber": "7067071",
  "amount": "1000000000000000000000",
  "amountDecimals": "1000",
  "quote": "55837913683147237796",
  "quoteDecimals": "55.837913683147237796",
  "quoteGasAdjusted": "55840267836750092796",
  "quoteGasAdjustedDecimals": "55.840267836750092796",
  "gasUseEstimateQuote": "2354153602855000",
  "gasUseEstimateQuoteDecimals": "0.002354153602855",
  "gasUseEstimate": "443000",
  "gasUseEstimateUSD": "0.041844",
  "gasPriceWei": "5314116485",
  "route": [
    [
      {
        "type": "v3-pool",
        "address": "0x8a960A6e5f224D0a88BaD10463bDAD161b68C144",
        "tokenIn": {
          "chainId": 80084,
          "decimals": "18",
          "address": "0x7507c1dc16935B82698e4C63f2746A2fCf994dF8",
          "symbol": "WBERA"
        },
        "tokenOut": {
          "chainId": 80084,
          "decimals": "18",
          "address": "0x0E4aaF1351de4c0264C5c7056Ef3777b41BD8e03",
          "symbol": "HONEY"
        },
        "fee": "3000",
        "liquidity": "2436507486332335185500775",
        "sqrtRatioX96": "18720675063184587718540484748",
        "tickCurrent": "-28856",
        "amountIn": "53049022487390937786",
        "amountOut": "950000000000000000000"
      }
    ],
    [
      {
        "type": "v3-pool",
        "address": "0xe49E094fe1679624C3981EB821fA6aB46c99E18E",
        "tokenIn": {
          "chainId": 80084,
          "decimals": "18",
          "address": "0x7507c1dc16935B82698e4C63f2746A2fCf994dF8",
          "symbol": "WBERA"
        },
        "tokenOut": {
          "chainId": 80084,
          "decimals": "18",
          "address": "0x0E4aaF1351de4c0264C5c7056Ef3777b41BD8e03",
          "symbol": "HONEY"
        },
        "fee": "500",
        "liquidity": "1785423513716355823391",
        "sqrtRatioX96": "18718672899386852222700719036",
        "tickCurrent": "-28858",
        "amountIn": "2788891195756300010",
        "amountOut": "50000000000000000000"
      }
    ]
  ],
  "routeString": "[V3] 95.00% = WBERA -- 0.3% [0x8a960A6e5f224D0a88BaD10463bDAD161b68C144] --\u003E HONEY, [V3] 5.00% = WBERA -- 0.05% [0xe49E094fe1679624C3981EB821fA6aB46c99E18E] --\u003E HONEY",
  "quoteId": "a6d10"
}
```

### Execution of swap

If you specified the parameters a, b, c then the answer will return the calldata property. To perform this swap you just need to use our `SwapRouter02`

`SwapRouter02` address: `0xe301E48F77963D3F7DbD2a4796962Bd7f3867Fb4`

{% hint style="warning" %}
Make sure you do the approve before the action in the example
{% endhint %}

{% code overflow="wrap" %}

```bash
 cast send 0x496e305C03909ae382974cAcA4c580E1BF32afBE "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"
```

{% endcode %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://documentation.kodiak.finance/developers/dex/swap-api-kodiak-router.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.