# Instagram Similar Users (V3) API

> Returns recommended Instagram accounts similar to a target profile. Provide a numeric user ID to look up related accounts, usernames, and profile details.

Source: https://www.sandbase.ai/model/instagram/v3/similar-users
API reference: https://www.sandbase.ai/model/instagram/v3/similar-users/docs

## Facts

- Provider: Instagram
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/instagram/v3/similar-users`
- Price: $0.01 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, instagram
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/instagram/v3/similar-users` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `user_id` | string | yes |  |

## FAQ

### How do I use the Instagram Similar Users (V3) API?

Send a POST request to https://api.sandbase.ai/v1/api/instagram/v3/similar-users with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the Instagram Similar Users (V3) API cost?

$0.01 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

### What parameters does the Instagram Similar Users (V3) API accept?

Required: user_id (string). The Parameters table and the Playground on this page list every field.

### What does the Instagram Similar Users (V3) API return?

A JSON response returned in the same HTTP request (synchronous). The README on this page includes a sample response.

### Do I need a Instagram developer account or API key?

No. Instagram Similar Users (V3) runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Instagram API access separately.

## README

### Instagram Similar Users (V3) API

Look up suggested accounts similar to a specified profile by providing the numeric `user_id` parameter.

#### Use cases

- Discover relevant influencers in the same niche as a target profile.
- Analyze competitor networks and related account suggestions.
- Expand audience targeting lists by identifying closely related users.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/instagram/v3/similar-users" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"user_id": "25025320"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `user_id` | string | Yes | Target user ID (numeric), obtainable via get_user_id_by_username |

#### Example response

Real response for the request above, trimmed to the main fields. User names and long IDs are masked.

```json
{
  "users": [
    {
      "full_name": "LISA",
      "id": "8012033210",
      "pk_id": "8012033210",
      "profile_pic_id": "4001908869835700028_8012033210",
      "profile_pic_url": "https://scontent-hou1-1.cdninstagram.com/v/t51.82787-19/839490332_18373632106265…",
      "social_context": "LISA",
      "username": "<user>"
    }
  ]
}
```

#### Notes

- The `user_id` parameter requires a numeric account ID, obtainable via the user ID lookup endpoint.

#### Related APIs

- [Instagram Comment Bulk Translation](/model/instagram/v3/bulk-translate-comments): Returns bulk translations for multiple Instagram comments using a list of comment identifiers.
- [Instagram Comment Replies (V3)](/model/instagram/v3/comment-replies): Returns child comment replies for a specific Instagram comment using the post media ID and parent comment ID.
- [Instagram Explore Feed](/model/instagram/v3/explore): Returns curated sectional items from the Instagram explore feed, including layout formats and feed types.