# LinkedIn Search Hashtag API (https://www.socialcrawl.dev/platforms/linkedin/search-hashtag)

> Returns public posts tagged with a hashtag as a canonical PostList. Pass the tag with or without `#`. Optional `sort_by`: `recent`, `oldest`, `relevance`. One page per call.

TL;DR: `GET /v1/linkedin/search/hashtag` costs 10 credits per call and returns SocialCrawl's unified JSON schema. Single x-api-key auth, 100 free credits on signup.

## Parameters

| Parameter | Required | Description |
| --- | --- | --- |
| `query` | yes | Hashtag to search, with or without a leading #. |
| `sort_by` | no | Result ordering: recent, oldest, or relevance. (recent \| oldest \| relevance) |
| `since` | no | Only rows published on or after this date: YYYY-MM-DD (midnight UTC) or an ISO 8601 timestamp. Rows older than it are left off each page. This list is not in date order, so the walk does not stop at the date: keep following `next_cursor`, and each page costs what a page costs even when every row on it is filtered out. A row with no date is kept. `published_after`, `start_date`, `from_date`, `publish_time` (`yesterday`, `this-week`, `this-month`, `last-3-months`, `last-6-months`) and `max_age_days` are accepted and applied as `since`. |
| `until` | no | Only rows published on or before this date: YYYY-MM-DD (that whole UTC day is included) or an ISO 8601 timestamp. Newer rows are left off each page and the walk does not stop, so older pages follow. A row with no date is kept. `published_before`, `end_date` and `to_date` are accepted and applied as `until`. |

## Code example

```bash
curl -G "https://www.socialcrawl.dev/v1/linkedin/search/hashtag" \
  --data-urlencode "query=hiring" \
  -H "x-api-key: sc_YOUR_API_KEY"
```

## FAQ

### What does the LinkedIn Search Hashtag API return?

Returns public LinkedIn posts tagged with a hashtag, each with text, author, engagement, and date. The response uses the same JSON envelope as every SocialCrawl endpoint, with the data, credits_used and request_id fields.

### When should I use the LinkedIn Search Hashtag endpoint?

Use it to monitor a tag. Keyword search across posts is search/posts.

### How much does the LinkedIn Search Hashtag API cost?

Each call costs 10 credits, so the 100 free credits every new account gets cover 10 calls. Credits for failed or empty calls are refunded automatically, and there is no subscription.

### What parameters does the LinkedIn Search Hashtag API need?

The one required parameter is query (hashtag to search, with or without a leading #). It also accepts 3 optional parameters, all listed on this page.

### How do I call the LinkedIn Search Hashtag API?

Send a GET request to https://www.socialcrawl.dev/v1/linkedin/search/hashtag?query=hiring with your API key in the x-api-key header. An Authorization: Bearer header works too.

See the full LinkedIn API: https://www.socialcrawl.dev/platforms/linkedin

## Pricing

- Standard endpoints: 1 credit per call
- Advanced endpoints: 5 credits per call
- Premium endpoints: 10 credits per call
- 100 free credits on signup, no credit card required. Cached responses cost 0 credits. Credit packs never expire.
- Full pricing: https://www.socialcrawl.dev/pricing

## Explore with AI

Questions this API answers, phrased for an AI assistant:

- What does the SocialCrawl LinkedIn Search Hashtag API return?
- How do I get LinkedIn Search Hashtag data with the SocialCrawl API?