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POST
/
liquidity
/
v2
/
chain
/
{dstChain}
/
protocol
/
{protocol}
/
signature
curl --request POST \
  --url 'https://api.sprinter.tech/liquidity/v2/chain/{dstChain}/protocol/{protocol}/signature' \
  --header 'X-Auth-Token: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "data": {
    "borrowAmount": "<string>",
    "borrowCost": "<string>",
    "borrowToken": "<string>",
    "liquidityPool": "<string>",
    "nonce": "<string>",
    "signature": "<string>",
    "deadline": "<string>"
  }
}
curl --request POST \
  --url 'https://api.sprinter.tech/liquidity/v2/chain/{dstChain}/protocol/{protocol}/signature' \
  --header 'X-Auth-Token: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{}'

Authorizations

​
X-Auth-Token
string
header
required

Path Parameters

​
protocol
string
required

Name of the protocol, e.g., Across, Lighter

​
dstChain
string
required

Destination chain Caip id, eg. eip155:8453

Body

application/json

request

​
caller
string
required

eoa wallet address which will be used to call the liquidity pool contract

​
input
string
required

hex encoded input data which will be executed on the liquidity pool contract with borrowed liquidity

​
quoteId
string
required

quote ID obtained from the borrow quote endpoint

​
txHash
string
required

tx hash of the deposit transaction which will be used to verify liquidity repayment guarantee

​
metadata
integer[]

protocol-specific metadata as JSON object. For lifi-escrow: {"srcChain": "eip155:1"} where srcChain is the source chain CAIP ID used for on-chain order fetching fallback

Response

This response is sent as a stringified json in SSE event with the event name 'data'

​
data
object
required

Borrow authorisation signature and details.