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POST
Build swap transaction (returns signing-ready payload)

Authorizations

x-api-key
string
header
required

API key provided by WalletSuite team

Body

application/json

Build request — finalize a quote into a signing-ready payload.

quoteId
string
required

Quote id returned by /api/swaps/quote.

nonce
integer

Optional EVM account nonce override.

priorityFeeMultiplier
number<double>

Optional EIP-1559 tip multiplier in [0.1, 10.0].

Example:

"1.2"

Response

200 - */*

OK

ok
boolean
required
code
string
required
message
string
required
data
object