Are.na API Capability

List channel blocks

Fetch one bounded page of blocks from an Are.na channel.

Capability ID arena.channel.blocks-list

Cost From $1.25 per 1,000 requests · 1 credit

Maximum runtime 15 seconds

# List channel blocks

Fetch one bounded page of blocks from an Are.na channel.

- Platform: [Are.na](https://docs.upscrape.com/docs/platforms/arena)
- Capability ID: `arena.channel.blocks-list`
- Cost: 1 credit per request
- Maximum runtime: 15 seconds
- Execute endpoint: `POST https://data.upscrape.com/execute`

## Request

Use the exact public capability ID in the shared execute envelope.

```bash
curl --request POST \
  --url https://data.upscrape.com/execute \
  --header "Authorization: Bearer $UPSCRAPE_API_KEY" \
  --header "Content-Type: application/json" \
  --header "Prefer: wait=30" \
  --data '{
  "input": {
    "limit": 24,
    "page": 1,
    "slug": "websites-with-novel-navs"
  },
  "capability": "arena.channel.blocks-list"
}'
```

## Input


| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | `integer` | No | Maximum blocks requested per page From 1 to 100. Default: `24`. |
| `page` | `integer` | No | Channel block page number At least 1. Default: `1`. |
| `slug` | `string` | Yes | Are.na channel slug or channel URL |

### Example input

```json
{
  "limit": 24,
  "page": 1,
  "slug": "websites-with-novel-navs"
}
```

## Response

Successful output is returned in `results[0].data`.

Raw platform output is intentionally open-ended and may evolve with the upstream source.

### Illustrative sample output

This example shows one response. Values and optional fields vary with the data available.

```json
{
  "blocks": [
    {
      "class": "Link",
      "connected_at": "2026-06-24T06:07:58+00:00",
      "created_at": "2026-06-24T06:07:58+00:00",
      "description": "Taman National Mangkupurba is a transmedia speculative fiction project set in a protected site and prehistoric preservation area in geopolitically contested region in 1980s West Borneo. The preserve is home to a prehistoric “dinosaur graveyard”. A situated land exposing a wealth of fossils & the sudden reemergence isolated prehistoric ecosystem from the Mesozoic era, revealing a new found record o…",
      "description_html": "<p>Taman National Mangkupurba is a transmedia speculative fiction project set in a protected site and prehistoric preservation area in geopolitically contested region in 1980s West Borneo. The preserve is home to a prehistoric “dinosaur graveyard”. A situated land exposing a wealth of fossils &amp; the sudden reemergence isolated prehistoric ecosystem from the Mesozoic era, revealing a new found r…",
      "href": "/block/47265787",
      "id": 47265787,
      "image_url": "https://images.are.na/[redacted:token]==?bc=0",
      "position": 189,
      "source_url": "https://www.mangkupurba.net/",
      "title": "Mangkupurba",
      "updated_at": "2026-09-24T19:05:56+00:00"
    },
    {
      "class": "Link",
      "connected_at": "2026-01-15T23:21:14+00:00",
      "created_at": "2026-01-15T23:21:14+00:00",
      "description": "An issue devoted to holes: orifices, abysses, and portals; fodder for philosophy and fantasy; forms of enclosure and escape.",
      "description_html": "<p>An issue devoted to holes: orifices, abysses, and portals; fodder for philosophy and fantasy; forms of enclosure and escape.</p>",
      "href": "/block/42694641",
      "id": 42694641,
      "image_url": "https://images.are.na/[redacted:token]==?bc=0",
      "position": 188,
      "source_url": "https://canopycanopycanopy.com/issues/30?ui.canopy=true",
      "title": "Not Nothing",
      "updated_at": "2026-07-17T16:59:23+00:00"
    },
    {
      "class": "Link",
      "connected_at": "2025-12-27T02:43:03+00:00",
      "created_at": "2025-12-03T04:09:37+00:00",
      "description": "‘T’ Space is a non-profit art gallery in Rhinebeck, NY. Programs include an exhibition and performance series, residency for emerging architects, and more.",
      "description_html": "<p>‘T’ Space is a non-profit art gallery in Rhinebeck, NY. Programs include an exhibition and performance series, residency for emerging architects, and more.</p>",
      "href": "/block/41532780",
      "id": 41532780,
      "image_url": "https://images.are.na/[redacted:token]==?bc=0",
      "position": 187,
      "source_url": "https://tspacerhinebeck.org",
      "title": "‘T’ Space Rhinebeck",
      "updated_at": "2026-08-12T12:57:40+00:00"
    }
  ],
  "has_more": true,
  "page": 1,
  "per": 24,
  "total": 189,
  "total_pages": 8
}
```
### Illustrative output fields

Derived from the sample above for orientation only. These fields are not a fixed response schema.

| Path | Observed type | Example |
| --- | --- | --- |
| `blocks` | `array` | 3 items |
| `blocks` | `array` | 3 items |
| `has_more` | `boolean` | true |
| `page` | `integer` | 1 |
| `per` | `integer` | 24 |
| `total` | `integer` | 189 |
| `total_pages` | `integer` | 8 |

## Execution behavior

A `200` response completed inline. A `202` response was queued; poll `GET /jobs/{id}` until the job reaches `completed` or `failed`. Use an `Idempotency-Key` when retrying must not create a duplicate logical job.

## Related documentation

- [Authentication](https://docs.upscrape.com/docs/api/authentication)
- [Jobs and results](https://docs.upscrape.com/docs/api/jobs)
- [Errors and retries](https://docs.upscrape.com/docs/api/errors)
- [Idempotency](https://docs.upscrape.com/docs/api/idempotency)

POST /execute Shared execution endpoint

Input parameters

limit integer optional

Maximum blocks requested per page From 1 to 100. Default: `24`.

Example 24

page integer optional

Channel block page number At least 1. Default: `1`.

Example 1

slug string required

Are.na channel slug or channel URL

Example websites-with-novel-navs

Response

Successful output is returned in results[0].data.

Raw platform output is intentionally open-ended and may evolve with the upstream source.

Illustrative sample The example response is shown in the response panel.

Illustrative output fields

Values illustrate one response. Read the guidance above for missing values and limits; fields can vary with the requested operation and the data available.

Path	Observed type	Example
`blocks`	`array`	3 items
`blocks`	`array`	3 items
`has_more`	`boolean`	true
`page`	`integer`	1
`per`	`integer`	24
`total`	`integer`	189
`total_pages`	`integer`	8

Execution behavior

A 200 response completed inline. A 202 response was queued; poll GET /jobs/:id until the job reaches completed or failed.

curl --request POST \ --url https://data.upscrape.com/execute \ --header "Authorization: Bearer $UPSCRAPE_API_KEY" \ --header "Content-Type: application/json" \ --header "Prefer: wait=30" \ --data '{ "input": { "limit": 24, "page": 1, "slug": "websites-with-novel-navs" }, "capability": "arena.channel.blocks-list" }'

import json import os import requests payload = json.loads(r'''{ "input": { "limit": 24, "page": 1, "slug": "websites-with-novel-navs" }, "capability": "arena.channel.blocks-list" }''') response = requests.post( "https://data.upscrape.com/execute", headers={ "Authorization": f"Bearer {os.environ['UPSCRAPE_API_KEY']}", "Content-Type": "application/json", "Prefer": "wait=30", }, json=payload, ) response.raise_for_status() print(json.dumps(response.json(), indent=2))

{ "blocks": [ { "class": "Link", "connected_at": "2026-06-24T06:07:58+00:00", "created_at": "2026-06-24T06:07:58+00:00", "description": "Taman National Mangkupurba is a transmedia speculative fiction project set in a protected site and prehistoric preservation area in geopolitically contested region in 1980s West Borneo. The preserve is home to a prehistoric “dinosaur graveyard”. A situated land exposing a wealth of fossils & the sudden reemergence isolated prehistoric ecosystem from the Mesozoic era, revealing a new found record o…", "description_html": "Taman National Mangkupurba is a transmedia speculative fiction project set in a protected site and prehistoric preservation area in geopolitically contested region in 1980s West Borneo. The preserve is home to a prehistoric “dinosaur graveyard”. A situated land exposing a wealth of fossils & the sudden reemergence isolated prehistoric ecosystem from the Mesozoic era, revealing a new found r…", "href": "/block/47265787", "id": 47265787, "image_url": "https://images.are.na/[redacted:token]==?bc=0", "position": 189, "source_url": "https://www.mangkupurba.net/", "title": "Mangkupurba", "updated_at": "2026-09-24T19:05:56+00:00" }, { "class": "Link", "connected_at": "2026-01-15T23:21:14+00:00", "created_at": "2026-01-15T23:21:14+00:00", "description": "An issue devoted to holes: orifices, abysses, and portals; fodder for philosophy and fantasy; forms of enclosure and escape.", "description_html": "An issue devoted to holes: orifices, abysses, and portals; fodder for philosophy and fantasy; forms of enclosure and escape.", "href": "/block/42694641", "id": 42694641, "image_url": "https://images.are.na/[redacted:token]==?bc=0", "position": 188, "source_url": "https://canopycanopycanopy.com/issues/30?ui.canopy=true", "title": "Not Nothing", "updated_at": "2026-07-17T16:59:23+00:00" }, { "class": "Link", "connected_at": "2025-12-27T02:43:03+00:00", "created_at": "2025-12-03T04:09:37+00:00", "description": "‘T’ Space is a non-profit art gallery in Rhinebeck, NY. Programs include an exhibition and performance series, residency for emerging architects, and more.", "description_html": "‘T’ Space is a non-profit art gallery in Rhinebeck, NY. Programs include an exhibition and performance series, residency for emerging architects, and more.", "href": "/block/41532780", "id": 41532780, "image_url": "https://images.are.na/[redacted:token]==?bc=0", "position": 187, "source_url": "https://tspacerhinebeck.org", "title": "‘T’ Space Rhinebeck", "updated_at": "2026-08-12T12:57:40+00:00" } ], "has_more": true, "page": 1, "per": 24, "total": 189, "total_pages": 8 }