---
title: "Mark a block as invalid (requires authentication)."
method: POST
path: "/api/v1/block/invalidate"
tags: ["admin"]
---

# Mark a block as invalid (requires authentication).

`POST /api/v1/block/invalidate`

## Request body

- object
  - `blockHash` string — Block hash in hexadecimal format

## Response `200`

Block operation success

- object

## Other responses

- `400` — Error response
- `401` — Unauthorized
- `500` — Error response

---

[API](https://skmtc.net/bsv-blockchain/apis/teranode-asset-service-api.md) · [All operations](https://skmtc.net/bsv-blockchain/apis/teranode-asset-service-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/bsv-blockchain/teranode-asset-service-api/versions/5bc9be41e029/schema)