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/api/v3/estimateFee RPC Method

Estimate fees required for query processing. Fields body, init-code and init-data accepted in serialized format (b64-encoded).

Updated on
Nov 27, 2025

Query Parameters

address
string
REQUIRED

The destination address for the transaction.

body
string
REQUIRED

The transaction body in BOC format.

init_code
string

The initialization code for the contract in BOC format.

init_data
string

The initialization data for the contract in BOC format.

ignore_chksig
boolean

Whether to ignore signature verification during fee estimation.

Returns

source_fees
object

The fees associated with the source account

fwd_fee
string

The forwarding fee for sending messages

gas_fee
string

The gas fee for computation execution

in_fwd_fee
string

The inbound forwarding fee for processing incoming messages

storage_fee
string

The storage fee for maintaining account data

destination_fees
array

The array of fees associated with destination accounts

fwd_fee
string

The forwarding fee for sending messages

gas_fee
string

The gas fee for computation execution

in_fwd_fee
string

The inbound forwarding fee for processing incoming messages

storage_fee
string

The storage fee for maintaining account data

Request
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