# List datasets

> GET /v1/datasets. Every dataset with owner, source, licence, refresh, residency, regulator, warranty and credits per record.

Source: https://emailmovers.com/mydatahub/docs/reference/rest/list-datasets

`GET /v1/datasets`

Every dataset with owner, source, licence, refresh, residency, regulator, warranty and credits per record. v2.0 serves uk_contacts; the others are listed with their status.

| Property | Value |
| --- | --- |
| Endpoint | `GET https://mydatahub.emailmovers.com/v1/datasets` |
| Operation id | `listDatasets` |
| Cost | Free (0 credits) |
| Access | No account, key or token needed. |
| Tag | Catalogue |

> **Not yet live.** MyDataHub v2 is built and tested locally and is not yet live. The v2 hosts open at launch, date to confirm. This page describes the contract the API is tested against.

## Request

### Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `limit` | query | integer (1 to 100) | no | Items per page, 1 to 100. Default 25. |
| `cursor` | query | string | no | An opaque cursor from next_cursor. Pass it back unchanged. |
| `MyDataHub-Version` | header | string | no | The dated API version, pinned per key when left out. Non-breaking changes ship as new dates; the path major changes only for breaking changes, with a 12 month deprecation window. |

## Example request

```bash
curl "https://mydatahub.emailmovers.com/v1/datasets"
```

## Responses

### 200: A page of datasets.

Headers: `RateLimit`, `RateLimit-Policy`.

| Member | Type | Always present | Description |
| --- | --- | --- | --- |
| `data` | array of `Dataset` | yes |  |
| `data[].id` | enum: `uk_contacts`, `ie_contacts`, `global_contacts` | yes | The dataset an audience draws from. uk_contacts is live; ie_contacts and global_contacts are listed but not yet served. |
| `data[].name` | string | yes |  |
| `data[].status` | enum: `live`, `planned`, `through_our_team` | yes | live is served; planned is not yet served; through_our_team is sold through the bespoke service only. |
| `data[].owner` | string | yes |  |
| `data[].source` | string | yes |  |
| `data[].licence` | string | yes |  |
| `data[].refresh` | string | yes |  |
| `data[].residency` | string | yes |  |
| `data[].regulator` | string | yes |  |
| `data[].warranty` | string | yes |  |
| `data[].credits_per_record` | number (0 or more) | yes | 1 for owned UK and Irish data. |
| `data[].credits_status` | enum: `confirmed`, `proposed` | yes |  |
| `data[].current_version` | string or null | yes |  |
| `data[].versions_available` | integer (0 or more) | yes | Immutable weekly versions still queryable (the last 52). |
| `has_more` | boolean | yes | Whether another page follows. |
| `next_cursor` | string or null | yes | Pass as cursor to fetch the next page; null on the last page. |

#### Example response

```json
{
  "data": [
    {
      "id": "uk_contacts",
      "name": "UK contacts",
      "status": "live",
      "owner": "Emailmovers Ltd",
      "source": "Emailmovers research; Companies House (OGL v3.0); ONSPD (OGL v3.0)",
      "licence": "12 month multi-use licence; resale prohibited",
      "refresh": "Immutable weekly build every Monday; same-day suppression overlay",
      "residency": "Held in the UK (Google Cloud London)",
      "regulator": "ICO",
      "warranty": "Replacement when hard bounces exceed 10 percent of an order",
      "credits_per_record": 1,
      "credits_status": "confirmed",
      "current_version": "2026-W39",
      "versions_available": 52
    }
  ],
  "has_more": false,
  "next_cursor": null
}
```

## Errors

Every error is a problem object with a `code` and a `next_step`. Every response carries the `RateLimit` and `RateLimit-Policy` headers; see [Rate limits](https://emailmovers.com/mydatahub/docs/rate-limits.md).

| Status | Problem codes | When |
| --- | --- | --- |
| 400 | [`invalid-request`](https://emailmovers.com/mydatahub/docs/errors/invalid-request.md), [`idempotency-key-required`](https://emailmovers.com/mydatahub/docs/errors/idempotency-key-required.md), [`unsupported-version`](https://emailmovers.com/mydatahub/docs/errors/unsupported-version.md) | The request could not be read, or an Idempotency-Key is missing. |
| 422 | [`validation-failed`](https://emailmovers.com/mydatahub/docs/errors/validation-failed.md), [`quote-required`](https://emailmovers.com/mydatahub/docs/errors/quote-required.md), [`dataset-unavailable`](https://emailmovers.com/mydatahub/docs/errors/dataset-unavailable.md) | The request is not valid. errors lists every problem with a JSON pointer and did_you_mean. |
| 429 | [`rate-limited`](https://emailmovers.com/mydatahub/docs/errors/rate-limited.md) | Too many requests. Wait for Retry-After. |
| Any other failure | [`internal-error`](https://emailmovers.com/mydatahub/docs/errors/internal-error.md), [`service-unavailable`](https://emailmovers.com/mydatahub/docs/errors/service-unavailable.md), [`tps-screen-expired`](https://emailmovers.com/mydatahub/docs/errors/tps-screen-expired.md) | Something failed on our side (500 internal-error) or the service is briefly unavailable (503 service-unavailable, with Retry-After). Nothing was charged; retry with the same Idempotency-Key. A count, sample, quote or order with telephone in play is also refused with 503 tps-screen-expired, with no Retry-After, while the dataset version's TPS and CTPS screen is more than 28 days old. |