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Instagram · Guide

How to get Instagram post details

TL;DR
To get Instagram post details, sign up for a free Captapi key, then send one GET request to /v1/instagram/details with your input. You get clean JSON back in seconds for 1 credit per call — no OAuth, scraping or platform SDKs. Get an Instagram post or Reel — caption, likes, comments, media URLs, author, and publish date.
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How to get Instagram post details (step by step)

  1. 1

    Get a free API key

    Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.

  2. 2

    Call the Instagram Post Details API

    Send an authenticated GET request to /v1/instagram/details with your input. No OAuth, no scraping setup.

  3. 3

    Read the JSON response

    Parse the clean JSON response. Pass cache=true for a free 24h cache hit; default is always fresh.

Code example

curl "https://api.captapi.com/v1/instagram/details?url=https%3A%2F%2Fwww.instagram.com%2Fp%2FDbYaLffE2DD%2F" \
  -H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."

What the response looks like

{
  "success": true,
  "data": {
    "platform": "instagram",
    "url": "https://www.instagram.com/p/DbYaLffE2DD/",
    "id": "DbYaLffE2DD",
    "postType": "Sidecar",
    "productType": "carousel_container",
    "caption": "Suit up!\n\nThese photos show NASA astronaut candidates @astro_fuhrmann and @astro_lawler preparing for their training flights aboard a high-flying WB-57 aircraft. These high-altitude flights train astronaut candidates to operate in tight spaces while wearing a pressure suit—a feat that prepares them for missions to the @ISS, Moon, or beyond.\n\nWhy are pressure suits necessary? The two main bodily dangers of high altitude are extremely thin air and low oxygen. Pressure suits counteract those dangers and make it possible to survive if something goes wrong in the aircraft.\n\nCredit: NASA\n\n#NASA #FlightSuit #Aircraft",
    "description": "Suit up!\n\nThese photos show NASA astronaut candidates @astro_fuhrmann and @astro_lawler preparing for their training flights aboard a high-flying WB-57 aircraft. These high-altitude flights train astronaut candidates to operate in tight spaces while wearing a pressure suit—a feat that prepares them for missions to the @ISS, Moon, or beyond.\n\nWhy are pressure suits necessary? The two main bodily dangers of high altitude are extremely thin air and low oxygen. Pressure suits counteract those dangers and make it possible to survive if something goes wrong in the aircraft.\n\nCredit: NASA\n\n#NASA #FlightSuit #Aircraft",
    "publishedAt": "2026-07-29T15:12:56Z",
    "durationSeconds": null,
    "thumbnailUrl": "https://scontent-cdg6-1.cdninstagram.com/v/t51.82787-15/759146473_18631780879049152_2448145103133242635_n.jpg?stp=dst-jpg_e35_tt6&_nc_cat=1&ig_cache_key=Mzk1MjAyMzc0MDE1ODgxNjA1Ng%3D%3D.3-ccb7-5&ccb=7-5&_nc_sid=58cdad&efg=eyJ2ZW5jb2RlX3RhZyI6IkNBUk9VU0VMX0lURU0ueHBpZHMuMTQ0MC5zZHIucmVndWxhcl9waG90by5DMyJ9&_nc_ohc=BPWQAJMWpuwQ7kNvwGdQP1J&_nc_oc=AdpoHH53slN9fDJSer4UjuFXtie2IU4sLFlWgiGTWkMWn-EWgJmycNqbEl-vSfl9oio&_nc_ad=z-m&_nc_cid=0&_nc_zt=23&_nc_ht=scontent-cdg6-1.cdninstagram.com&_nc_gid=1yBugmDENcLlZjn1A6HEwA&_nc_ss=7a22e&oh=00_AQBHLNkf4idtmygEvZN9hi2njvz2sW_xF8-tUE-yiJHOBw&oe=6A701485",
    "videoUrl": null,
    "author": {
      "username": "nasa",
      "displayName": "NASA",
      "url": "https://instagram.com/nasa",
      "verified": true,
      "profileImage": "https://scontent-cdg6-1.cdninstagram.com/v/t51.2885-19/29090066_159271188110124_1152068159029641216_n.jpg?stp=dst-jpg_s150x150_tt6&efg=eyJ2ZW5jb2RlX3RhZyI6InByb2ZpbGVfcGljLmRqYW5nby4xMDgwLmMyIn0&_nc_ht=scontent-cdg6-1.cdninstagram.com&_nc_cat=1&_nc_oc=Q6cZ2gG0njRcG3R5cIO9GnRRbYfsbfpvVHqGuePg7pDchBmh38Bj_6EQCeIjnFgc-p5lkTA&_nc_ohc=sUQGBsPKUTMQ7kNvwFOpZpy&_nc_gid=1yBugmDENcLlZjn1A6HEwA&edm=AOmX9WgBAAAA&ccb=7-5&oh=00_AQA7UnNpNR2oyCzn_iZJwhJgHlzakMt5b8t3btT6ne2AUA&oe=6A701229&_nc_sid=bfaa47"
    },
    "engagement": {
      "likes": 34510,
      "comments": 178
    },
    "hashtags": [
      "NASA",
      "FlightSuit",
      "Aircraft"
    ],
    "mentions": [
      "astro_fuhrmann",
      "astro_lawler",
      "ISS"
    ]
  }
}

Billing metadata (credits charged, cache hit/miss) is returned in the X-Captapi-Credits and X-Captapi-Cache response headers.

Request parameters

NameTypeRequiredDescription
urlstring YesInstagram post or reel URL, e.g. https://instagram.com/reel/ID/. The URL platform must match this endpoint's platform. Do not pass cross-platform URLs, e.g. YouTube to TikTok, Instagram to Facebook, LinkedIn to X/Twitter, or Pinterest to Rumble.
cachebooleanNoSet true to serve from the 24h response cache. Default false — always fetch fresh data.

Frequently asked questions

What does the Instagram Post Details API do?

The Instagram Post Details API lets you fetch full metadata and key stats from a public Instagram post using one GET request to /v1/instagram/details. It returns clean JSON — no OAuth or infrastructure setup required.

How many credits does the Instagram Post Details API cost?

Each successful call costs 1 credit. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Failed or empty results are never charged.

Do I need a Instagram API key or OAuth?

No. A single Captapi key works across every platform Captapi supports — YouTube, TikTok, Instagram, Facebook, Twitter/X, Reddit, Threads, Bluesky, Pinterest, LinkedIn, Rumble, Spotify, Kwai, and more. We handle proxies, rate limits, retries, and authentication for you.

Is the Instagram Post Details API suitable for production use?

Yes. It is a stable REST endpoint with predictable JSON and automatic retries. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Use it for analytics, monitoring, and content automation.

Ready to get Instagram post details?

Start free with 100 credits — no credit card required.

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