itunes.search_audiobooks

stable Advanced

Search Apple audiobooks.

GET /v1/itunes/search_audiobooks

What you get#

A list of Itunes results in Onekey's unified shape, in data (an array). An empty array is a normal, successful answer and is charged like any other; a source that reports "nothing found" as an error returns a free 404 not_found instead.

What it costs#

Advanced · 5 credits for a fresh fetch, charged only when it succeeds.
Free when served from cache (0.2 credit for a cached response over 100 KB).
Free if the request is invalid (never charged) or the source fails or reports not found (refunded).

Parameters#

Name	Type	Required	Default	What it is	Constraints
`q`	string	yes	(required)	Search term	max 150 chars; must match `[^\x00-\x1f\x7f]{1,150}`; trimmed, repeated spaces collapsed
`country`	string	no	`us`	2-letter store country, e.g. us	max 2 chars; must match `[a-z]{2}`; trimmed, lowercased

Request#

curl "https://api.onekey.dev/v1/itunes/search_audiobooks?q=dune" \
  -H "x-api-key: YOUR_API_KEY"

Try it

Add your key to run this call right here. No key? Get one free. The key stays in this tab.

Recorded response#

A real Itunes response, recorded and returned in Onekey's shape. Fields the platform does not provide are null.

json

{
  "success": true,
  "data": [
    {
      "entity": {
        "id": "1442046673",
        "name": "Dune",
        "url": "https://books.apple.com/us/audiobook/dune/id1442046673?uo=4",
        "category": "Sci-Fi & Fantasy"
      },
      "author": {
        "displayName": "Frank Herbert"
      },
      "ext": {
        "feedUrl": null,
        "episodeCount": 1
      },
      "media": {
        "thumbnailUrl": "https://is1-ssl.mzstatic.com/image/thumb/Music122/v4/6a/c7/3a/6ac73abf-9b1c-0869-b9f0-3cc93de3f805/9781427201447.jpg/100x100bb.jpg"
      }
    },
    {
      "entity": {
        "id": "1442078810",
        "name": "Dune Messiah",
        "url": "https://books.apple.com/us/audiobook/dune-messiah/id1442078810?uo=4",
        "category": "Sci-Fi & Fantasy"
      },
      "author": {
        "displayName": "Frank Herbert"
      },
      "ext": {
        "feedUrl": null,
        "episodeCount": 1
      },
      "media": {
        "thumbnailUrl": "https://is1-ssl.mzstatic.com/image/thumb/Music118/v4/5e/b8/78/5eb878eb-45c0-7e5d-eb39-d4251f071e24/9781427202376.jpg/100x100bb.jpg"
      }
    }
  ],
  "metadata": {
    "platform": "itunes",
    "endpoint": "search_audiobooks",
    "cached": false,
    "stale": false,
    "age_s": 0,
    "fetched_at": "2026-01-01T12:00:00+00:00",
    "credits_charged": 5,
    "request_id": "7f3a9c2e5b1d4c8fa2e6d0b9c4f18e37"
  },
  "error": null
}

Field mapping#

How this endpoint's source fields become Onekey's unified schema. Fields the source lacks come back as null.

Source path	Onekey field	Transform
`collectionId`	`entity.id`	`toString`
`collectionName`	`entity.name`	-
`artistName`	`author.displayName`	-
`feedUrl`	`ext.feedUrl`	`safeUrl`
`collectionViewUrl`	`entity.url`	`safeUrl`
`artworkUrl100`	`media.thumbnailUrl`	`safeUrl`
`primaryGenreName`	`entity.category`	-
`trackCount`	`ext.episodeCount`	`toNumber`

Caching and freshness#

Fresh for about 2 minutes. Repeat calls in that window are served from cache and are free.
Between 2 minutes and 15 minutes the cached copy is still served instantly and marked stale: true while Onekey refreshes it in the background.
If the source is down when a refresh is needed, the last copy can be served for up to 1 hour more (marked stale).
A "not found" is remembered for 1 minute and is free.
The cache is shared across all customers, which is what keeps repeat calls cheap.

What can go wrong#

Status	Code	What to do
401	`unauthorized`	Check the `x-api-key` header.
402	`insufficient_credits`	Add credits; your balance must cover the price.
404	`not_found`	Unknown endpoint path.
422	`invalid_params`	Fix the parameters using the table above. Free.
429	`rate_limited`	Wait `Retry-After` seconds, then retry.
502	`upstream_error`	The source failed. Refunded; retry with backoff.

See Errors for the full list and retry guidance.

Status: stable (verified against the live source).