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POST
Approve or revoke builder fees with an account owner signature

Body

application/json
op
object
required
sig
string
required

Signature in hex format

Example:

"0x1234567890..."

salt
integer
required

Salt

Example:

1234567890

ts
integer
required

Request timestamp. Unix milliseconds for most operations; Unix seconds for withdrawals (must match the on-chain EIP-712 struct verified against block.timestamp).

Example:

1767225600000

Response

Approve or revoke builder fees with an account owner signature

trader
string
required

Address

Example:

"0x1234567890abcdef1234567890abcdef12345678"

builder
string
required

Address

Example:

"0x1234567890abcdef1234567890abcdef12345678"

max_fee_rate
string
required

Additional builder fee as a decimal fraction of executed notional, from 0 through 0.001 (10 basis points). Zero approval revokes future admission. Never a percentage string.

Example:

"0.001"

approval_version
integer
required

Exactly the previous version plus one, starting at 1. Revocation retains the version and prevents signed approval replay.

Required range: x >= 1
timestamp
integer
required

Timestamp in milliseconds

Example:

1767225600000

sequence
integer
required