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GET
/
express
/
craft-txn
Craft express verification payment transaction
curl --request GET \
  --url https://api.jup.ag/tokens/v2/verify/express/craft-txn \
  --header 'x-api-key: <api-key>'
{
  "transaction": "<string>",
  "requestId": "<string>",
  "receiverAddress": "<string>",
  "mint": "JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN",
  "amount": "<string>",
  "tokenDecimals": 123,
  "feeLamports": 123,
  "feeMint": "<string>",
  "feeTokenDecimals": 123,
  "feeAmount": 123,
  "totalTime": 123,
  "code": 123,
  "gasless": true,
  "tokenUsdRate": 123,
  "feeUsdAmount": 123,
  "expireAt": "<string>",
  "error": "<string>"
}

Authorizations

​
x-api-key
string
header
required

Get API key via https://portal.jup.ag

Query Parameters

​
senderAddress
string
required

Solana wallet address that will sign and pay for the transaction

Response

Unsigned payment transaction

​
transaction
string
required

Base64-encoded unsigned transaction

​
requestId
string
required

Unique request ID. Pass this to the execute endpoint.

​
receiverAddress
string
required

Wallet address receiving the JUP payment

​
mint
string
required

Mint address of the payment token (JUP)

Example:

"JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN"

​
amount
string
required

Payment amount in smallest unit (1000 JUP = 1000000000)

​
tokenDecimals
number
required

Decimals of the payment token

​
feeLamports
number
required

Transaction fee in lamports

​
feeMint
string
required

Mint address of the fee token

​
feeTokenDecimals
number
required

Decimals of the fee token

​
feeAmount
number
required

Fee amount in smallest unit

​
totalTime
number
required

Time taken to craft the transaction in milliseconds

​
code
number
required

Status code (0 for success)

​
gasless
boolean
required

Whether the transaction is gasless

​
tokenUsdRate
number

USD rate of the payment token at time of crafting

​
feeUsdAmount
number

Transaction fee in USD

​
expireAt
string

Expiry timestamp for the crafted transaction

​
error
string

Error message if crafting failed