---
title: "Register Sample Arns"
method: POST
path: "/api/v1/block/arns/sample"
tags: ["User APIs", "block-data"]
---

# Register Sample Arns

`POST /api/v1/block/arns/sample`

Register sample-scoped IAM ARN(s) — grants access to ALL sample datasets
the client is entitled to (present + future). Enqueues a sample fan-out per
newly-active ARN.

## Request body

- SampleArnRegisterBody — ``POST /block/arns/sample`` — register sample-scoped ARN(s).
  - `arns` string[], required

## Response `200`

Successful Response

- ArnRegisterResponse
  - `results` ArnRegisterResult[], required
    - `id` string, uuid, required
    - `arn` string, required
    - `status` string, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api.md) · [All operations](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/carbonarc/carbon-arc-client-admin-api/revisions/a8ca30023371/schema)