---
title: "New and updated NHTSA recalls, investigations and complaint-count changes (1 unit)"
method: GET
path: "/v1/recall_changes"
---

# New and updated NHTSA recalls, investigations and complaint-count changes (1 unit)

`GET /v1/recall_changes`

## Request

- Base URL: `https://api.theusedcarindex.com`
- URL: `https://api.theusedcarindex.com/v1/recall_changes`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-API-Key`

## Query parameters

- `make` string
- `model` string
- `year` integer
- `type` 'recall' | 'investigation' | 'complaint_count'
- `since` string, date: Inclusive first observed_date.
- `until` string, date: Inclusive last observed_date.
- `limit` integer
- `cursor` string: Opaque next_cursor; retain the same filters.

## Response `200`

Success

- RecallChanges
  - `changes` RecallChange[], required
    - `id` integer, required
    - `type` 'recall' | 'investigation' | 'complaint_count', required
    - `kind` 'new' | 'updated' | 'count', required
    - `ref` string, required
    - `make` string, required
    - `model` string, required
    - `year` integer, required
    - `record_date` string, nullable, required: Date on the NHTSA record (received or opened).
    - `observed_date` string, date, required: UTC day this service recorded the change.
    - `summary` string, nullable, required
    - `source_url` string, uri, required
    - `details` object, required
  - `next_cursor` string, nullable, required
  - `feed` object, required
    - `last_ingest_at` string, nullable, required
    - `status` 'active' | 'no_changes_recorded', required
  - `notes` string[], required

## Other responses

- `400`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `401`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `403`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `404`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `405`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `413`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `415`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `429`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `500`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `503`: RFC 9457 problem with stable code; 429 includes Retry-After.

---

[API](https://skmtc.dev/theusedcarindex/apis/the-used-car-index.md) · [All operations](https://skmtc.dev/theusedcarindex/apis/the-used-car-index/llms.txt) · [OpenAPI document](https://skmtc.dev/theusedcarindex/apis/the-used-car-index/revisions/80dd1305d05c?raw)