# Registration Timeline

GET /explorer/domain-intelligence/registration-timeline: Daily registration counts for the last interval days (1–30).

Source: https://docs.deepinfo.com/reference/domain-intelligence/registration-timeline/

Last updated: 2026-09-27

---
`GET https://api.deepinfo.com/v1/explorer/domain-intelligence/registration-timeline`

Daily registration counts for the last `interval` days (1–30).

## Authentication

Send your API key in the `apikey` request header.

## Query Parameters

| Parameter | Required | Description | Example |
|---|---|---|---|
| `interval` | Optional | Min `1`, max `30`. Default `7`. | `7` |

## Response Fields

An array of objects:

| Field | Type | Description |
|---|---|---|
| `date` | string | date |
| `count` | integer |  |

## Response Schema

_Inferred from examples._ Built from the saved 2xx example response: the fields it contains, with the types seen there. It is not a contract. The response body is an array; `[]` marks its elements.

| Field | Type |
|---|---|
| `[].date` | string |
| `[].count` | number |

## Examples

### 200 · OK

```bash
curl 'https://api.deepinfo.com/v1/explorer/domain-intelligence/registration-timeline' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'
```

`Content-Type: application/json` · `deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a`

```json
[
  {
    "date": "2026-09-22",
    "count": 42957
  },
  {
    "date": "2026-09-21",
    "count": 229882
  }
]
```

### 400 · Invalid Parameter (invalid interval=abc)

```bash
curl 'https://api.deepinfo.com/v1/explorer/domain-intelligence/registration-timeline?interval=abc' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'
```

`Content-Type: application/json` · `deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a`

```json
{
  "code": 10400,
  "parameters": [
    {
      "param": "interval",
      "details": [
        "A valid integer is required."
      ]
    }
  ],
  "solution": "https://docs.deepinfo.com/reference/"
}
```

## Worked Examples

Worked examples of this endpoint, each on its own page with the exact request and its response: [Registration Timeline Examples](/reference/domain-intelligence/registration-timeline/examples/).

- [Daily Registrations of the Last 7 Days](/reference/domain-intelligence/registration-timeline/examples/default/): Daily registrations of the last 7 days (the default): seven dates, newest first; today's count so far is 16,480.
- [Registrations of the Last Day](/reference/domain-intelligence/registration-timeline/examples/interval-1/): Registrations of the last day (interval=1): a single item, today's count so far (16,506).
- [Registrations of the Last 30 Days](/reference/domain-intelligence/registration-timeline/examples/interval-30/): Daily registrations of the last 30 days (the maximum): 30 dates from September 24 back to August 26, 2026.