---
title: "Estimate a fee target."
method: GET
path: "/api/v2/estimatefee/{blocks}"
tags: ["Fees"]
---

# Estimate a fee target.

`GET /api/v2/estimatefee/{blocks}`

Returns backend fee estimation for the requested confirmation target.

Load estimate: Low; a small backend fee estimate lookup.

## Path parameters

- `blocks` integer, required

## Query parameters

- `conservative` boolean

## Response `200`

Decimal fee estimate in chain base currency.

- ResultStringResponse
  - `result` string, required — Result string, usually a decimal amount in chain base currency.

## Other responses

- `default` — Public API error. Public validation errors are HTTP 400; internal errors are HTTP 500.

---

[API](https://skmtc.dev/trezor/apis/blockbook-api.md) · [All operations](https://skmtc.dev/trezor/apis/blockbook-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/trezor/blockbook-api/revisions/01c375da86bc/schema)