---
title: "Instagram Reels By Audio ID API"
method: GET
path: "/v1/instagram/reels-by-audio-id"
tags: ["Instagram"]
---

# Instagram Reels By Audio ID API

`GET /v1/instagram/reels-by-audio-id`

## Request

- Base URL: `https://api.captapi.com`
- URL: `https://api.captapi.com/v1/instagram/reels-by-audio-id`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-API-Key`

Is this Instagram sound trending?

Pass audioId (numeric Instagram audio id) or a https://www.instagram.com/reels/audio/{id}/ URL. The envelope answers whether the sound is trending — isTrendingInClips, and trendRank / previousTrendRank only while it is — plus music{} (id, title, artist, durationMs, audioType, coverUrl, and alternate ids only when they differ from id). Then the public Reels using that sound, same row shape as /instagram/details (shortcode, postType, productType, thumbnailUrl, mediaCount, children, hashtags, mentions, flags). hasMore is true when the listing window filled limit. Billing ~1.4/result. Pass cache=true for the 24h shared cache.

Docs: https://captapi.com/apis/instagram-reels-by-audio-id

## Query parameters

- `audioId` string, required
- `limit` integer
- `cache` boolean

## Response `200`

Success. The data object for this endpoint.

- object
  - `success` unknown, required
  - `data` object, required
    - `platform` string: Platform identifier for this response (matches the endpoint's platform).
    - `audioId` string: Instagram audio/music id (same value as /reels/audio/{id}/). Query param is audioId, not audio_id.
    - `audioUrl` string: Canonical https://www.instagram.com/reels/audio/{audioId}/ page.
    - `totalReturned` integer: Reels in this response.
    - `reels` object[]
      - `platform` string: Platform identifier for this response (matches the endpoint's platform).
      - `url` string: Canonical URL of the item.
      - `id` string: Id of this reels item.
      - `caption` string: Post or creative caption when the platform exposes one.
      - `description` string: Description of this reels item.
      - `publishedAt` string: Publish date (ISO 8601) when the platform exposes an absolute timestamp.
      - `durationSeconds` number: Length in seconds for this item (full media length, or a segment span when the endpoint documents a start/end).
      - `videoUrl` string: Playback URL when the platform exposes one. Content type varies by platform — check videoType (hls vs mp4) before treating it as a downloadable file.
      - `author` object: Author name or handle.
        - `username` string
        - `displayName` string
        - `url` string: Canonical URL of the item.
        - `verified` boolean
        - `profileImage` string
      - `engagement` object: Engagement metrics for the item.
        - `views` integer
        - `likes` integer
        - `comments` integer
      - `musicId` string: ID of the soundtrack used.
      - `musicUrl` string: URL of the soundtrack used.
      - `hasAudio` boolean: Has audio. Example: true.
      - `music` object: Instagram audio object: id, title, artist, durationMs, audioType, coverUrl, isTrendingInClips, isExplicit, hasLyrics. Alternate ids (assetId, canonicalId, clusterId, artistId) only when they differ from id.
        - `id` string: Id of this music item.
        - `clusterId` string: Cluster id. Example: "27919946310946207".
        - `assetId` string: Asset id. Example: "audio_asset_example".
        - `canonicalId` string: Canonical id. Example: "18455463055100927".
        - `artistId` string: Instagram music-artist user id when the audio object exposes one — not a TikTok id.
        - `title` string: Title of this music item.
        - `artist` string: Artist name.
        - `durationMs` integer: Length in milliseconds.
        - `audioType` string: Audio type. Example: "licensed_music".
        - `coverUrl` string: Artwork for this Instagram sound when Instagram ships a cover.
        - `isTrendingInClips` boolean: Whether Instagram currently marks this sound as trending in Reels.
        - `trendRank` integer: Current Reels-trend rank. Present only while isTrendingInClips is true — omitted (not null) otherwise.
        - `previousTrendRank` integer: Previous Reels-trend rank. Present only while isTrendingInClips is true.
        - `isExplicit` boolean: Is explicit. Example: false.
        - `hasLyrics` boolean: Has lyrics. Example: true.
      - `isPaidPartnership` boolean: Is paid partnership. Example: false.
    - `isTrendingInClips` boolean: Whether Instagram currently marks this sound as trending in Reels.
    - `trendRank` integer: Current Reels-trend rank. Present only while isTrendingInClips is true — omitted (not null) otherwise.
    - `previousTrendRank` integer: Previous Reels-trend rank. Present only while isTrendingInClips is true.
    - `music` object: Instagram audio object: id, title, artist, durationMs, audioType, coverUrl, isTrendingInClips, isExplicit, hasLyrics. Alternate ids (assetId, canonicalId, clusterId, artistId) only when they differ from id.
      - `id` string: Id of this music item.
      - `clusterId` string: Cluster id. Example: "27919946310946207".
      - `assetId` string: Asset id. Example: "audio_asset_example".
      - `canonicalId` string: Canonical id. Example: "18455463055100927".
      - `artistId` string: Instagram music-artist user id when the audio object exposes one — not a TikTok id.
      - `title` string: Title of this music item.
      - `artist` string: Artist name.
      - `durationMs` integer: Length in milliseconds.
      - `audioType` string: Audio type. Example: "licensed_music".
      - `coverUrl` string: Artwork for this Instagram sound when Instagram ships a cover.
      - `isTrendingInClips` boolean: Whether Instagram currently marks this sound as trending in Reels.
      - `trendRank` integer: Current Reels-trend rank. Present only while isTrendingInClips is true — omitted (not null) otherwise.
      - `previousTrendRank` integer: Previous Reels-trend rank. Present only while isTrendingInClips is true.
      - `isExplicit` boolean: Is explicit. Example: false.
      - `hasLyrics` boolean: Has lyrics. Example: true.

## Other responses

- `400`: Bad request: wrong platform URL, unknown endpoint, or an invalid parameter value. Not billed.
- `401`: Missing, invalid or revoked API key. Not billed.
- `402`: Not enough credits for this request. Not billed.
- `404`: The resource does not exist or is not public. Not billed.
- `422`: A required parameter is missing or has the wrong type. Not billed.
- `429`: Rate limit reached. Wait for Retry-After seconds. Not billed.
- `502`: The platform could not be reached or returned nothing usable. Retryable, not billed. 503 and 504 use the same envelope.

---

[API](https://skmtc.dev/captapi/apis/captapi-api.md) · [All operations](https://skmtc.dev/captapi/apis/captapi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/captapi/apis/captapi-api/revisions/c9b9ac5ff1bd?raw)