---
title: "Estimate Fee"
method: POST
path: "/estimateFee"
tags: ["send"]
---

# Estimate Fee

`POST /estimateFee`

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

## Request body

- BodyEstimateFeeEstimateFeePost
  - `address` string, required — Address in any format
  - `body` string, required — b64-encoded cell with message body
  - `init_code` string — b64-encoded cell with init-code
  - `init_data` string — b64-encoded cell with init-data
  - `ignore_chksig` boolean — If true during test query processing assume that all chksig operations return True

## Response `200`

Successful Response

- TonResponse
  - `ok` boolean, required
  - `result` union
    - string
    - unknown[]
      - unknown
    - object
  - `error` string
  - `code` integer

## Other responses

- `422` — Validation Error
- `504` — Lite Server Timeout

---

[API](https://skmtc.dev/rsquad/apis/ton-http-api.md) · [All operations](https://skmtc.dev/rsquad/apis/ton-http-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/rsquad/ton-http-api/revisions/73848a110060/schema)