---
title: "How to use Link-in-Bio Lookup"
url: "https://lookvalid.com/help/products/link-in-bio-lookup.md"
canonical_url: "https://lookvalid.com/help/products/link-in-bio-lookup"
last_updated: "2026-10-22"
type: "how-to"
summary: "What Link-in-Bio Lookup takes in, which fields it returns and how credits are charged for each lookup."
related: ["https://lookvalid.com/help/products/phone.md", "https://lookvalid.com/help/products/country-code.md", "https://lookvalid.com/help/billing/plans-and-credits.md"]
---

# How to use Link-in-Bio Lookup

What Link-in-Bio Lookup takes in, which fields it returns and how credits are charged for each lookup.

## What it does

Fetches a public link-in-bio page and returns its profile title, description and outbound links.

## What you send

Send these fields in the JSON body of the request.

Request fields for Link-in-Bio Lookup

| Field | Type | Required | Limits |
| --- | --- | --- | --- |
| url | string | Required | up to 2,048 characters |

## What you get back

The `data` object of a successful response carries these fields. Every response also lists its `sources`, the `credits_charged` and whether it was a `cache_hit`.

Each field is described in the [API reference](https://lookvalid.com/docs/api/link-in-bio-lookup.md).

Response fields for Link-in-Bio Lookup

| Field | Type |
| --- | --- |
| platform | "linktree" or "beacons" or "biolink" or "lnkbio" or "stan" or "generic" |
| final_url | string |
| username | string |
| profile_name | string |
| description | string |
| links | list |
| social_icons | list |
| fetched_at | string |

## What it costs

3 credits per resolved page (dead or empty pages are free).

What each outcome costs

| Case | Charge |
| --- | --- |
| Found | 3 credits |
| Nothing found | 0 credits |
| Repeat inside 7 days | 0 credits |
| Errors and invalid requests | 0 credits |

## Run it

You can try it without an account in the [free tool](https://lookvalid.com/tools.md). The free tools share a limit per visitor.

From code, send a POST request to `https://YOUR_API_HOST/v1/link-in-bio-lookup` with your API key.

A request to Link-in-Bio Lookup

```bash
curl -X POST https://YOUR_API_HOST/v1/link-in-bio-lookup \
  -H "Authorization: Bearer $LOOKVALID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://linktr.ee/linktree"}'
```

Full parameters and response fields are in the [API reference](https://lookvalid.com/docs/api/link-in-bio-lookup.md). To run a list of values, use a [bulk CSV job](https://lookvalid.com/help/api/bulk-csv-jobs.md).

## Good to know

- A repeat of the same lookup within 7 days is served from your cache and costs 0 credits.
- When the lookup finds nothing it returns `found: false` and costs 0 credits.
- Invalid input and errors are never charged.
- The API allows 200 requests per 10 seconds per key.

## Related

- [How to use Phone Numbering-Plan Validation](https://lookvalid.com/help/products/phone.md)
- [How to use Country Calling Codes](https://lookvalid.com/help/products/country-code.md)
- [Plans, credits and how they are spent](https://lookvalid.com/help/billing/plans-and-credits.md)
