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POST
/
api
/
v2
/
swap
/
transaction
POST /api/v2/swap/transaction — Build unsigned transaction (raw mode)
curl --request POST \
  --url https://api.shuriken.trade/api/v2/swap/transaction \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "<string>",
  "chain": "<string>",
  "inputMint": "<string>",
  "outputMint": "<string>",
  "walletAddress": "<string>",
  "slippageBps": 123
}
'
{
  "data": {
    "chain": "<string>",
    "expiresAt": "<string>",
    "quoteId": "<string>",
    "quoteSummary": {
      "inputAmount": "<string>",
      "minOutputAmount": "<string>",
      "outputAmount": "<string>",
      "slippageBps": 123,
      "priceImpactPct": "<string>"
    },
    "transaction": "<string>"
  },
  "requestId": "<string>",
  "pagination": {
    "hasMore": true,
    "limit": 1,
    "page": 1,
    "total": 1
  }
}

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json

POST /api/v2/swap/transaction request body

Build an unsigned transaction from trade parameters. The caller signs locally and submits via /submit or directly to chain.

amount
string
required

Amount in base units (e.g., lamports for SOL, wei for EVM)

chain
string
required

Chain identifier: "solana", "base", "bsc", "monad"

inputMint
string
required

Token address to sell

outputMint
string
required

Token address to buy

walletAddress
string
required

User's own wallet address (not a Shuriken wallet ID)

slippageBps
integer<int32>

Slippage tolerance in basis points (default: 100 = 1%)

Response

Unsigned transaction

V2 success response envelope

data
object
required

Wrapper enum for /transaction response (SVM or EVM). Uses #[serde(untagged)] so the JSON shape varies by chain.

requestId
string
required
pagination
object

Page-based pagination info