Token to Token Swaps

Important: Token swapping requires approval (if not already approved). This is shown in additionalTransactions. Always check for additional transactions and execute them first, then execute transactionData

Get transaction data for token-to-token swaps

post

Returns transaction data for swapping directly between tokens. Uses the quoteData from a previous quote API call to generate executable transaction data. Always includes token approval transaction data when needed.

Body

quoteDatastringRequired

Encoded quote data from a previous call to the quotes/token API

Example: eyJ0b2tlbkluIjoiMHgxMjM0NTY3ODkwMTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwIiwidG9rZW5PdXQiOiIweGFiY2RlZjEyMzQ1Njc4OTBhYmNkZWYxMjM0NTY3ODkwYWJjZGVmMTIiLCJhbW91bnRJblRva2VuSW4iOiIxMDAwMDAwMDAwMDAwMDAwMDAwIiwiYW1vdW50T3V0VG9rZW5PdXQiOiI5ODUwMDAwMDAwMDAwMDAwMDAiLCJ0b2tlbkRlY2ltYWxzSW4iOjE4LCJ0b2tlbkRlY2ltYWxzT3V0IjoxOCwiZXhjaGFuZ2UiOjAsInBhcmFtcyI6eyJzdGFibGUiOmZhbHNlLCJ0aWNrU3BhY2luZyI6MCwiZmVlIjowLCJiaW5TdGVwIjoiMCIsInJldmVyc2VkIjpmYWxzZX19

slippagenumber · max: 100Optional

Slippage tolerance percentage (0-100)

Default: 0.5Example: 1

toAddressstringOptional

Address to receive tokens (defaults to sender)

Example: 0xabcdef1234567890abcdef1234567890abcdef12Pattern: ^0x[a-fA-F0-9]{40}$

feeBpsinteger · max: 10000Optional

Partner fee in basis points (0-10000)

Example: 25

feeRecipientstringOptional

Address to receive the partner fee

Example: 0xabcdef1234567890abcdef1234567890abcdef12Pattern: ^0x[a-fA-F0-9]{40}$

Responses

200

Transaction data for executing the swap

application/json

400

Invalid request parameters

application/json

500

Internal server error

application/json

post

HTTPcURLJavaScriptPython

POST /api/v1/swap/token HTTP/1.1
Host: api.coal.ag
Content-Type: application/json
Accept: */*
Content-Length: 598

{
  "quoteData": "eyJ0b2tlbkluIjoiMHgxMjM0NTY3ODkwMTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwIiwidG9rZW5PdXQiOiIweGFiY2RlZjEyMzQ1Njc4OTBhYmNkZWYxMjM0NTY3ODkwYWJjZGVmMTIiLCJhbW91bnRJblRva2VuSW4iOiIxMDAwMDAwMDAwMDAwMDAwMDAwIiwiYW1vdW50T3V0VG9rZW5PdXQiOiI5ODUwMDAwMDAwMDAwMDAwMDAiLCJ0b2tlbkRlY2ltYWxzSW4iOjE4LCJ0b2tlbkRlY2ltYWxzT3V0IjoxOCwiZXhjaGFuZ2UiOjAsInBhcmFtcyI6eyJzdGFibGUiOmZhbHNlLCJ0aWNrU3BhY2luZyI6MCwiZmVlIjowLCJiaW5TdGVwIjoiMCIsInJldmVyc2VkIjpmYWxzZX19",
  "slippage": 1,
  "toAddress": "0xabcdef1234567890abcdef1234567890abcdef12",
  "feeBps": 25,
  "feeRecipient": "0xabcdef1234567890abcdef1234567890abcdef12"
}

{
  "transactionData": {
    "to": "0x1234567890123456789012345678901234567890",
    "data": "0x38ed17390000000000000000000000000000000000000000000000000de0b6b3a764000000000000000000000000000000000000000000000000000008c8339dafed480000",
    "value": "0"
  },
  "additionalTransactions": [
    {
      "to": "0xabcdef1234567890abcdef1234567890abcdef12",
      "data": "0x095ea7b300000000000000000000000012345678901234567890123456789012345678900000000000000000000000000000000000000000000000000de0b6b3a7640000",
      "value": "0"
    }
  ]
}