---
title: "POST /tendermint.abci.ABCI/Echo"
method: POST
path: "/tendermint.abci.ABCI/Echo"
tags: ["ABCI"]
---

# POST /tendermint.abci.ABCI/Echo

`POST /tendermint.abci.ABCI/Echo`

## Request body

- TendermintAbciRequestEcho
  - `message` string

## Response `200`

A successful response.

- TendermintAbciResponseEcho
  - `message` string

## Other responses

- `default` — An unexpected error response.

## Changes

- **2025-05-21** `3874a03b0e7b` — 1 info
  - api operation id `UpgradeABCI_Echo` removed and replaced with `EvidenceABCI_Echo`
- **2025-05-09** `8dbfaa2bebb2` — 1 info
  - api operation id `CircuitABCI_Echo` removed and replaced with `UpgradeABCI_Echo`
- **2025-04-08** `21a675703a05` — 1 info
  - api operation id `AuthABCI_Echo` removed and replaced with `CircuitABCI_Echo`
- **2025-03-27** `4f349536c8f3` — 1 info
  - api operation id `FeegrantABCI_Echo` removed and replaced with `AuthABCI_Echo`
- **2025-02-24** `2ab9d24288c2` — 1 info
  - api operation id `CircuitABCI_Echo` removed and replaced with `FeegrantABCI_Echo`

[Full history](https://skmtc.dev/pokt-network/apis/http-api-console/changes/tendermint.abci.ABCI/Echo/post.md)

---

[API](https://skmtc.dev/pokt-network/apis/http-api-console.md) · [All operations](https://skmtc.dev/pokt-network/apis/http-api-console/llms.txt) · [OpenAPI document](https://skmtc.dev/pokt-network/apis/http-api-console/revisions/671fab54b729?raw)