---
title: "BaseFee queries the base fee of the parent block of the current block, it's similar to feemarket module's method, but also checks london hardfork status."
method: GET
path: "/cosmos/evm/vm/v1/base_fee"
tags: ["Query"]
---

# BaseFee queries the base fee of the parent block of the current block, it's similar to feemarket module's method, but also checks london hardfork status.

`GET /cosmos/evm/vm/v1/base_fee`

## Request

- Base URL: `https://api.mantrachain.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.mantrachain.io/cosmos/evm/vm/v1/base_fee`
- Auth: none declared

## Response `200`

A successful response.

- object: QueryBaseFeeResponse returns the EIP1559 base fee.
  - `base_fee` string

## Other responses

- `default`: An unexpected error response.

---

[API](https://skmtc.dev/mantrachain/apis/mantra-grpc-gateway-docs.md) - [All operations](https://skmtc.dev/mantrachain/apis/mantra-grpc-gateway-docs/llms.txt) - [OpenAPI document](https://skmtc.dev/mantrachain/apis/mantra-grpc-gateway-docs/revisions/641ce457f7fd?raw)