---
title: "Replay mining of a block and returns its content"
method: GET
path: "/v3/blocks/replay/{block_id}"
tags: ["Blocks"]
---

# Replay mining of a block and returns its content

`GET /v3/blocks/replay/{block_id}`

Replay the mining of a block (no data is written in the MARF) and returns its content.

## Path parameters

- `block_id` string, required

## Response `200`

Content of the replayed block

- BlockReplay — unresolved $ref

## Other responses

- `400` — Bad request
- `401` — Unauthorized. Invalid or missing authentication token.
- `404` — Not found
- `500` — Internal Server Error

## Changes

- **2025-11-21** `5b08eae90eeb` — 2 info
  - the endpoint scheme security `rpcAuth` was added to the API
  - added the non-success response with the status `401`
- **2025-09-23** `603f708a0f82` — 1 info
  - endpoint added
- **2025-06-25** `87a7fe30e436` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api/changes/v3/blocks/replay/:block_id/get.md)

---

[API](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api.md) · [All operations](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/stacks-network/stacks-3-0-rpc-api/revisions/bfe6e0b30f62/schema)