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POST
/
v2
/
route
/
transactions
Returns pre-built transactions for the given route. It is assumed that transactions will be signed and sent by the sender via wallet
curl --request POST \
  --url https://backend.swap.coffee/v2/route/transactions \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "sender_address": "UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV",
  "paths": [
    {
      "blockchain": "ton",
      "dex": "stonfi",
      "pool_address": "<string>",
      "input_token": {
        "address": {
          "blockchain": "ton",
          "address": "native"
        },
        "metadata": {
          "name": "ARBUZ",
          "symbol": "ARBUZ",
          "decimals": 123,
          "listed": true,
          "image_url": "<string>"
        }
      },
      "output_token": {
        "address": {
          "blockchain": "ton",
          "address": "native"
        },
        "metadata": {
          "name": "ARBUZ",
          "symbol": "ARBUZ",
          "decimals": 123,
          "listed": true,
          "image_url": "<string>"
        }
      },
      "swap": {
        "input_amount": 123,
        "output_amount": 123,
        "before_reserves": [
          123
        ],
        "after_reserves": [
          123
        ],
        "reason": "<string>",
        "left_amount": 123
      },
      "recommended_gas": 123,
      "average_gas": 123,
      "next": "<array>"
    }
  ],
  "slippage": 0.05,
  "dynamic_slippage": true,
  "referral_name": "tonkeeper",
  "custom_fee": {
    "fixed_fee": "<string>",
    "percentage_fee": 123,
    "min_percentage_fee_fixed": "<string>",
    "max_percentage_fee_fixed": "<string>"
  },
  "mev_protection": true
}
'
import requests

url = "https://backend.swap.coffee/v2/route/transactions"

payload = {
    "sender_address": "UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV",
    "paths": [
        {
            "blockchain": "ton",
            "dex": "stonfi",
            "pool_address": "<string>",
            "input_token": {
                "address": {
                    "blockchain": "ton",
                    "address": "native"
                },
                "metadata": {
                    "name": "ARBUZ",
                    "symbol": "ARBUZ",
                    "decimals": 123,
                    "listed": True,
                    "image_url": "<string>"
                }
            },
            "output_token": {
                "address": {
                    "blockchain": "ton",
                    "address": "native"
                },
                "metadata": {
                    "name": "ARBUZ",
                    "symbol": "ARBUZ",
                    "decimals": 123,
                    "listed": True,
                    "image_url": "<string>"
                }
            },
            "swap": {
                "input_amount": 123,
                "output_amount": 123,
                "before_reserves": [123],
                "after_reserves": [123],
                "reason": "<string>",
                "left_amount": 123
            },
            "recommended_gas": 123,
            "average_gas": 123,
            "next": "<array>"
        }
    ],
    "slippage": 0.05,
    "dynamic_slippage": True,
    "referral_name": "tonkeeper",
    "custom_fee": {
        "fixed_fee": "<string>",
        "percentage_fee": 123,
        "min_percentage_fee_fixed": "<string>",
        "max_percentage_fee_fixed": "<string>"
    },
    "mev_protection": True
}
headers = {
    "X-Api-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    sender_address: 'UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV',
    paths: [
      {
        blockchain: 'ton',
        dex: 'stonfi',
        pool_address: '<string>',
        input_token: {
          address: {blockchain: 'ton', address: 'native'},
          metadata: {
            name: 'ARBUZ',
            symbol: 'ARBUZ',
            decimals: 123,
            listed: true,
            image_url: '<string>'
          }
        },
        output_token: {
          address: {blockchain: 'ton', address: 'native'},
          metadata: {
            name: 'ARBUZ',
            symbol: 'ARBUZ',
            decimals: 123,
            listed: true,
            image_url: '<string>'
          }
        },
        swap: {
          input_amount: 123,
          output_amount: 123,
          before_reserves: [123],
          after_reserves: [123],
          reason: '<string>',
          left_amount: 123
        },
        recommended_gas: 123,
        average_gas: 123,
        next: '<array>'
      }
    ],
    slippage: 0.05,
    dynamic_slippage: true,
    referral_name: 'tonkeeper',
    custom_fee: {
      fixed_fee: '<string>',
      percentage_fee: 123,
      min_percentage_fee_fixed: '<string>',
      max_percentage_fee_fixed: '<string>'
    },
    mev_protection: true
  })
};

fetch('https://backend.swap.coffee/v2/route/transactions', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://backend.swap.coffee/v2/route/transactions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'sender_address' => 'UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV',
    'paths' => [
        [
                'blockchain' => 'ton',
                'dex' => 'stonfi',
                'pool_address' => '<string>',
                'input_token' => [
                                'address' => [
                                                                'blockchain' => 'ton',
                                                                'address' => 'native'
                                ],
                                'metadata' => [
                                                                'name' => 'ARBUZ',
                                                                'symbol' => 'ARBUZ',
                                                                'decimals' => 123,
                                                                'listed' => true,
                                                                'image_url' => '<string>'
                                ]
                ],
                'output_token' => [
                                'address' => [
                                                                'blockchain' => 'ton',
                                                                'address' => 'native'
                                ],
                                'metadata' => [
                                                                'name' => 'ARBUZ',
                                                                'symbol' => 'ARBUZ',
                                                                'decimals' => 123,
                                                                'listed' => true,
                                                                'image_url' => '<string>'
                                ]
                ],
                'swap' => [
                                'input_amount' => 123,
                                'output_amount' => 123,
                                'before_reserves' => [
                                                                123
                                ],
                                'after_reserves' => [
                                                                123
                                ],
                                'reason' => '<string>',
                                'left_amount' => 123
                ],
                'recommended_gas' => 123,
                'average_gas' => 123,
                'next' => '<array>'
        ]
    ],
    'slippage' => 0.05,
    'dynamic_slippage' => true,
    'referral_name' => 'tonkeeper',
    'custom_fee' => [
        'fixed_fee' => '<string>',
        'percentage_fee' => 123,
        'min_percentage_fee_fixed' => '<string>',
        'max_percentage_fee_fixed' => '<string>'
    ],
    'mev_protection' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Api-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://backend.swap.coffee/v2/route/transactions"

	payload := strings.NewReader("{\n  \"sender_address\": \"UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV\",\n  \"paths\": [\n    {\n      \"blockchain\": \"ton\",\n      \"dex\": \"stonfi\",\n      \"pool_address\": \"<string>\",\n      \"input_token\": {\n        \"address\": {\n          \"blockchain\": \"ton\",\n          \"address\": \"native\"\n        },\n        \"metadata\": {\n          \"name\": \"ARBUZ\",\n          \"symbol\": \"ARBUZ\",\n          \"decimals\": 123,\n          \"listed\": true,\n          \"image_url\": \"<string>\"\n        }\n      },\n      \"output_token\": {\n        \"address\": {\n          \"blockchain\": \"ton\",\n          \"address\": \"native\"\n        },\n        \"metadata\": {\n          \"name\": \"ARBUZ\",\n          \"symbol\": \"ARBUZ\",\n          \"decimals\": 123,\n          \"listed\": true,\n          \"image_url\": \"<string>\"\n        }\n      },\n      \"swap\": {\n        \"input_amount\": 123,\n        \"output_amount\": 123,\n        \"before_reserves\": [\n          123\n        ],\n        \"after_reserves\": [\n          123\n        ],\n        \"reason\": \"<string>\",\n        \"left_amount\": 123\n      },\n      \"recommended_gas\": 123,\n      \"average_gas\": 123,\n      \"next\": \"<array>\"\n    }\n  ],\n  \"slippage\": 0.05,\n  \"dynamic_slippage\": true,\n  \"referral_name\": \"tonkeeper\",\n  \"custom_fee\": {\n    \"fixed_fee\": \"<string>\",\n    \"percentage_fee\": 123,\n    \"min_percentage_fee_fixed\": \"<string>\",\n    \"max_percentage_fee_fixed\": \"<string>\"\n  },\n  \"mev_protection\": true\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-Api-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://backend.swap.coffee/v2/route/transactions")
  .header("X-Api-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"sender_address\": \"UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV\",\n  \"paths\": [\n    {\n      \"blockchain\": \"ton\",\n      \"dex\": \"stonfi\",\n      \"pool_address\": \"<string>\",\n      \"input_token\": {\n        \"address\": {\n          \"blockchain\": \"ton\",\n          \"address\": \"native\"\n        },\n        \"metadata\": {\n          \"name\": \"ARBUZ\",\n          \"symbol\": \"ARBUZ\",\n          \"decimals\": 123,\n          \"listed\": true,\n          \"image_url\": \"<string>\"\n        }\n      },\n      \"output_token\": {\n        \"address\": {\n          \"blockchain\": \"ton\",\n          \"address\": \"native\"\n        },\n        \"metadata\": {\n          \"name\": \"ARBUZ\",\n          \"symbol\": \"ARBUZ\",\n          \"decimals\": 123,\n          \"listed\": true,\n          \"image_url\": \"<string>\"\n        }\n      },\n      \"swap\": {\n        \"input_amount\": 123,\n        \"output_amount\": 123,\n        \"before_reserves\": [\n          123\n        ],\n        \"after_reserves\": [\n          123\n        ],\n        \"reason\": \"<string>\",\n        \"left_amount\": 123\n      },\n      \"recommended_gas\": 123,\n      \"average_gas\": 123,\n      \"next\": \"<array>\"\n    }\n  ],\n  \"slippage\": 0.05,\n  \"dynamic_slippage\": true,\n  \"referral_name\": \"tonkeeper\",\n  \"custom_fee\": {\n    \"fixed_fee\": \"<string>\",\n    \"percentage_fee\": 123,\n    \"min_percentage_fee_fixed\": \"<string>\",\n    \"max_percentage_fee_fixed\": \"<string>\"\n  },\n  \"mev_protection\": true\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://backend.swap.coffee/v2/route/transactions")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-Api-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"sender_address\": \"UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV\",\n  \"paths\": [\n    {\n      \"blockchain\": \"ton\",\n      \"dex\": \"stonfi\",\n      \"pool_address\": \"<string>\",\n      \"input_token\": {\n        \"address\": {\n          \"blockchain\": \"ton\",\n          \"address\": \"native\"\n        },\n        \"metadata\": {\n          \"name\": \"ARBUZ\",\n          \"symbol\": \"ARBUZ\",\n          \"decimals\": 123,\n          \"listed\": true,\n          \"image_url\": \"<string>\"\n        }\n      },\n      \"output_token\": {\n        \"address\": {\n          \"blockchain\": \"ton\",\n          \"address\": \"native\"\n        },\n        \"metadata\": {\n          \"name\": \"ARBUZ\",\n          \"symbol\": \"ARBUZ\",\n          \"decimals\": 123,\n          \"listed\": true,\n          \"image_url\": \"<string>\"\n        }\n      },\n      \"swap\": {\n        \"input_amount\": 123,\n        \"output_amount\": 123,\n        \"before_reserves\": [\n          123\n        ],\n        \"after_reserves\": [\n          123\n        ],\n        \"reason\": \"<string>\",\n        \"left_amount\": 123\n      },\n      \"recommended_gas\": 123,\n      \"average_gas\": 123,\n      \"next\": \"<array>\"\n    }\n  ],\n  \"slippage\": 0.05,\n  \"dynamic_slippage\": true,\n  \"referral_name\": \"tonkeeper\",\n  \"custom_fee\": {\n    \"fixed_fee\": \"<string>\",\n    \"percentage_fee\": 123,\n    \"min_percentage_fee_fixed\": \"<string>\",\n    \"max_percentage_fee_fixed\": \"<string>\"\n  },\n  \"mev_protection\": true\n}"

response = http.request(request)
puts response.read_body
{
  "route_id": 123,
  "transactions": [
    {
      "address": "EQCM3B12QK1e4yZSf8GtBRT0aLMNyEsBc_DhVfRRtOEffLez",
      "value": "<string>",
      "cell": "aSDinaTvuI8gbWludGxpZnk=",
      "send_mode": 123,
      "query_id": 123,
      "stateInit": "aSDinaTvuI8gbWludGxpZnk="
    }
  ]
}
{
  "error": "<string>"
}

Authorizations

​
X-Api-Key
string
header
required

Body

application/json
​
sender_address
string
required
Example:

"UQCNTO0Nh0Z7QNyRW1BLWfk08f2dAOw4izrx9sO6OUPg4DoV"

​
paths
object[]
required

Value of this field is a response from route building endpoint

​
slippage
number<double>

If the slippage is exceeded, the transaction will not be executed and intermediate tokens will be returned to the sender.

Required range: 0 <= x <= 1
Example:

0.05

​
dynamic_slippage
boolean
default:false

If set to true, slippage will be calculated dynamically.

Example:

true

​
referral_name
string

May be set whilst building transactions from B2B partnership products

Example:

"tonkeeper"

​
custom_fee
object

If present, additional transaction for fees collection will be generated. Because of that, be careful with max_splits to not exceed wallet contract limits

​
mev_protection
boolean

Whether a MEV protection should be enabled

Example:

true

Response

transactions for the route

​
route_id
integer
required

Unique identifier of the route used for tracking.

​
transactions
object[]
required