# Owner complaints

NHTSA owner complaints, summarized: totals, crashes, fires, injuries, deaths, counts by component and the ten most recent.

## Endpoint

```
GET https://api.motorsdynamic.com/api/v2/complaints/{vin}
```

## Plan and price

| Plan | Access | Price |
| --- | --- | --- |
| Free | Yes | included in the 1,000 monthly calls |
| Growth | Yes | $0.005 per call |
| Scale | Yes | $0.003 per call |
| Enterprise | Yes | contract |

A call is billed when it answers 2xx. See [pricing](https://developers.motorsdynamic.com/pricing.md).

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `vin` | path | string | yes | 17-character VIN (case-insensitive). |

## Example request

curl:

```bash
curl "https://api.motorsdynamic.com/api/v2/complaints/1HGCM82633A004352" \
  -H "x-api-key: $MD_API_KEY"
```

JavaScript:

```javascript
const res = await fetch("https://api.motorsdynamic.com/api/v2/complaints/1HGCM82633A004352", {
  headers: { "x-api-key": process.env.MD_API_KEY },
});
if (!res.ok) throw new Error(`${res.status} ${(await res.json()).error}`);
const data = await res.json();
console.log(data);
```

Python:

```python
import os, requests

res = requests.get(
    "https://api.motorsdynamic.com/api/v2/complaints/1HGCM82633A004352",
    headers={"x-api-key": os.environ["MD_API_KEY"]},
    timeout=10,
)
res.raise_for_status()
print(res.json())
```

## Response fields

| Field | Type | Description |
| --- | --- | --- |
| `meta` | object |  |
| `meta.reference_status` | `loaded` or `no_decode` | loaded = fetched from the source, so an empty result is real; no_decode = the VIN has no usable year, make and model. A model not fetched yet is 503 reference_data_pending. |
| `data` | object |  |
| `data.vin` | string |  |
| `data.vehicle` | object |  |
| `data.vehicle.year` | integer or null |  |
| `data.vehicle.make` | string or null |  |
| `data.vehicle.model` | string or null |  |
| `data.vehicle.trim` | string or null |  |
| `data.scope` | `year_make_model` |  |
| `data.vin_specific` | `false` |  |
| `data.total` | integer |  |
| `data.crashes` | integer |  |
| `data.fires` | integer |  |
| `data.injuries` | integer |  |
| `data.deaths` | integer |  |
| `data.latest_filed` | string or null |  |
| `data.by_component[]` | array of object |  |
| `data.by_component[].component` | string |  |
| `data.by_component[].count` | integer |  |
| `data.recent[]` | array of object |  |
| `data.recent[].odi_number` | integer or null |  |
| `data.recent[].date_filed` | string or null |  |
| `data.recent[].date_of_incident` | string or null |  |
| `data.recent[].components[]` | array of string |  |
| `data.recent[].crash` | boolean |  |
| `data.recent[].fire` | boolean |  |
| `data.recent[].injuries` | integer |  |
| `data.recent[].deaths` | integer |  |
| `data.recent[].summary` | string or null |  |
| `data.freshness` | object |  |
| `data.freshness.fetched_at` | string or null |  |
| `data.provenance` | object |  |
| `data.provenance.source` | `nhtsa_complaints` |  |
| `data.provenance.source_url` | string |  |
| `data.provenance.nhtsa_models[]` | array of string | The NHTSA model names this answer came from (NHTSA's names differ from the decode's: Silverado is SILVERADO 1500). |

## Errors

| Status | Code | When |
| --- | --- | --- |
| 400 | `invalid_parameter` | A parameter is missing or malformed. The message names it. |
| 401 | `invalid_api_key` | The key is missing, revoked or mistyped. |
| 403 | `not_entitled` | The key may not read this dealer or source. |
| 404 | `not_found` | Nothing matches the identifier in the path. |
| 429 | `rate_limited or quota_exceeded` | Slow down (see `Retry-After`), or the Free monthly calls are used up. |
| 503 | `error` | See the message. |
| 504 | `query_timeout` | The query passed its 4 second budget. Narrow the filters. Not billed. |

Every error has the same body: `{ "error": "<code>", "message": "..." }`. Full list: [errors](https://developers.motorsdynamic.com/docs/errors.md).