---
title: "Get namespace blob by commitment on height"
method: POST
path: "/blob"
tags: ["namespace"]
---

# Get namespace blob by commitment on height

`POST /blob`

Returns the raw blob data from the Celestia DA layer for the given block height, namespace hash, and commitment. Requires API key authorization.
To authorize your requests you have to select the required tariff on our site. Then you receive api key to authorize. Api key should be passed via request header `apikey`.

## Request body

- HandlerPostBlobRequest
  - `commitment` string, required
  - `hash` string, required
  - `height` integer, required

## Response `200`

OK

- ResponsesBlob
  - `commitment` string, base64
  - `content_type` string, string
  - `data` string, base64
  - `namespace` string, base64
  - `share_version` integer

## Other responses

- `400` — Bad Request

---

[API](https://skmtc.dev/celenium-io/apis/celenium-api.md) · [All operations](https://skmtc.dev/celenium-io/apis/celenium-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/celenium-io/celenium-api/revisions/117307f84924/schema)