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POST
cURL

Headers

x-api-key
string

Optional API key for authentication and higher rate limits.

Query Parameters

signature
string
required

The permit signature.

Body

application/json
kind
string
required

The kind of signature. This value is returned in the quote API steps body field. e.g eip3009, permit2 or multicall-authorization (the extra EIP-712 signature of the approval proxy 3.1+ EIP-3009 flow, to be posted before the eip3009 signature)

requestId
string
required

The requestId of the quote this permit signature applies to. Returned in the quote API steps body field.

api
enum<string>

The API value returned from the quote API steps body field.

Available options:
bridge,
swap,
user-swap

Response

Default Response

message
string
steps
object[]