---
title: "Read Run Blob"
method: GET
path: "/api/v1/runs/{id}/blobs/{blobHash}"
tags: ["Run Internals"]
---

# Read Run Blob

`GET /api/v1/runs/{id}/blobs/{blobHash}`

Reads a previously stored blob by hash.

## Path parameters

- `id` string, required
- `blobHash` string, required — Content-addressed SHA-256 hash of a stored blob. Hex input is case-insensitive; Fabro emits the canonical lowercase form.

## Response `200`

Blob contents

## Other responses

- `404` — Run or blob not found

## Changes

- **2026-08-17** `64a24779d395` — 1 warning
  - changed the pattern of the `path` request parameter `blobHash` from `^[0-9a-f]{64}$` to `^[0-9A-Fa-f]{64}$`
- **2026-08-14** `6d9c2ee8b495` — 1 warning
  - changed the pattern of the `path` request parameter `blobHash` from `^[0-9a-f]{64}$` to `^[0-9A-Fa-f]{64}$`

[Change history](https://skmtc.dev/fabro-sh/apis/fabro-run-api/changes/api/v1/runs/:id/blobs/:blobHash/get.md)

---

[API](https://skmtc.dev/fabro-sh/apis/fabro-run-api.md) · [All operations](https://skmtc.dev/fabro-sh/apis/fabro-run-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/fabro-sh/fabro-run-api/revisions/7d96f4858c8c/schema)