---
title: "Fetch a sequence of Nakamoto blocks in a tenure"
method: GET
path: "/v3/tenures/{block_id}"
tags: ["Blocks"]
---

# Fetch a sequence of Nakamoto blocks in a tenure

`GET /v3/tenures/{block_id}`

Fetch a sequence of Nakamoto blocks in a tenure. The blocks will be
served in order from highest to lowest. The blocks will be encoded in
their SIP-003 wire format, and concatenated together.

## Path parameters

- `block_id` string, required

## Query parameters

- `stop` string

## Response `200`

SIP-003-encoded Nakamoto blocks, concatenated together

## Other responses

- `400` — Bad request
- `404` — Not found
- `405` — Method Not Allowed
- `500` — Internal Server Error

## Changes

- **2026-01-28** `30468ca2533f` — 4 breaking, 2 warning, 4 info
  - for the `path` request parameter `block_id`, the minLength was increased from `0` to `64`
  - for the `query` request parameter `stop`, the minLength was increased from `0` to `64`
  - added the pattern `^[0-9a-f]{64}$` to the `path` request parameter `block_id`
  - added the pattern `^[0-9a-f]{64}$` to the `query` request parameter `stop`
  - …6 more
- **2026-01-14** `f7f733b4a1fc` — 8 info
  - for the `path` request parameter `block_id`, the minLength was decreased from `64` to `0`
  - for the `query` request parameter `stop`, the minLength was decreased from `64` to `0`
  - removed the pattern `^[0-9a-f]{64}$` from the `path` request parameter `block_id`
  - removed the pattern `^[0-9a-f]{64}$` from the `query` request parameter `stop`
  - …4 more
- **2026-01-14** `eb2153a4a3ad` — 4 breaking, 2 warning, 4 info
  - for the `path` request parameter `block_id`, the minLength was increased from `0` to `64`
  - for the `query` request parameter `stop`, the minLength was increased from `0` to `64`
  - added the pattern `^[0-9a-f]{64}$` to the `path` request parameter `block_id`
  - added the pattern `^[0-9a-f]{64}$` to the `query` request parameter `stop`
  - …6 more
- …earlier changes not shown

[Full history](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api/changes/v3/tenures/: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)