---
title: "Fast hash"
method: POST
path: "/utils/hash/fast"
tags: ["utils"]
---

# Fast hash

`POST /utils/hash/fast`

Calculate the [BLAKE2b-256](https://en.wikipedia.org/wiki/BLAKE_%28hash_function%29) hash of a given message

## Response `200`

successful operation

- HashedMessage
  - `message` string, required
  - `hash` string, required

## Changes

> 36 revisions in range; 1 could not be searched.

- **2023-03-13** `ae5bc8ff23f1` — 1 info
  - request body became optional
- **2021-05-27** `c901f97e3a8d` — 1 breaking
  - request body became required

[Change history](https://skmtc.dev/wavesplatform/apis/waves-full-node-chainid/changes/utils/hash/fast/post.md)

---

[API](https://skmtc.dev/wavesplatform/apis/waves-full-node-chainid.md) · [All operations](https://skmtc.dev/wavesplatform/apis/waves-full-node-chainid/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/wavesplatform/waves-full-node-chainid/revisions/09465bcdf6ce/schema)