# town.delve.feed.searchPosts

> Published by [delve.town](https://lexicon.garden/identity/did:plc:qzqct2rrq4u2gmy5g3mjxske)

✓ This is the authoritative definition for this NSID.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:qzqct2rrq4u2gmy5g3mjxske/town.delve.feed.searchPosts)
- [Documentation](https://lexicon.garden/lexicon/did:plc:qzqct2rrq4u2gmy5g3mjxske/town.delve.feed.searchPosts/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:qzqct2rrq4u2gmy5g3mjxske/town.delve.feed.searchPosts/examples)

## Definitions

### `town.delve.feed.searchPosts`

**Type**: `query`

Find posts matching search criteria, returning views of those posts. Note that this API endpoint may require authentication (eg, not public) for some service providers and implementations.

#### Parameters

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `author` | `string` (at-identifier) | No | Filter to posts by the given account. Handles are resolved to DID before query-time. |
| `cursor` | `string` | No | Optional pagination mechanism; may not necessarily allow scrolling through entire result set. |
| `domain` | `string` | No | Filter to posts with URLs (facet links or embeds) linking to the given domain (hostname). Server may apply hostname normalization. |
| `lang` | `string` (language) | No | Filter to posts in the given language. Expected to be based on post language field, though server may override language detection. |
| `limit` | `integer` | No |  |
| `mentions` | `string` (at-identifier) | No | Filter to posts which mention the given account. Handles are resolved to DID before query-time. Only matches rich-text facet mentions. |
| `q` | `string` | Yes | Search query string; syntax, phrase, boolean, and faceting is unspecified, but Lucene query syntax is recommended. |
| `since` | `string` | No | Filter results for posts after the indicated datetime (inclusive). Expected to use 'sortAt' timestamp, which may not match 'createdAt'. Can be a datetime, or just an ISO date (YYYY-MM-DD). |
| `sort` | `string` | No | Specifies the ranking order of results. |
| `tag` | `array` | No | Filter to posts with the given tag (hashtag), based on rich-text facet or tag field. Do not include the hash (#) prefix. Multiple tags can be specified, with 'AND' matching. |
| `until` | `string` | No | Filter results for posts before the indicated datetime (not inclusive). Expected to use 'sortAt' timestamp, which may not match 'createdAt'. Can be a datetime, or just an ISO date (YYY-MM-DD). |
| `url` | `string` (uri) | No | Filter to posts with links (facet links or embeds) pointing to this URL. Server may apply URL normalization or fuzzy matching. |

#### Output

**Encoding**: `application/json`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `cursor` | `string` | No |  |
| `hitsTotal` | `integer` | No | Count of search hits. Optional, may be rounded/truncated, and may not be possible to paginate through all hits. |
| `posts` | `array` | Yes |  |

#### Errors

- **BadQueryString**

## Raw Schema

```json
{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Find posts matching search criteria, returning views of those posts. Note that this API endpoint may require authentication (eg, not public) for some service providers and implementations.",
      "errors": [
        {
          "name": "BadQueryString"
        }
      ],
      "output": {
        "encoding": "application/json",
        "schema": {
          "properties": {
            "cursor": {
              "type": "string"
            },
            "hitsTotal": {
              "description": "Count of search hits. Optional, may be rounded/truncated, and may not be possible to paginate through all hits.",
              "type": "integer"
            },
            "posts": {
              "items": {
                "ref": "town.delve.feed.defs#postView",
                "type": "ref"
              },
              "type": "array"
            }
          },
          "required": [
            "posts"
          ],
          "type": "object"
        }
      },
      "parameters": {
        "properties": {
          "author": {
            "description": "Filter to posts by the given account. Handles are resolved to DID before query-time.",
            "format": "at-identifier",
            "type": "string"
          },
          "cursor": {
            "description": "Optional pagination mechanism; may not necessarily allow scrolling through entire result set.",
            "type": "string"
          },
          "domain": {
            "description": "Filter to posts with URLs (facet links or embeds) linking to the given domain (hostname). Server may apply hostname normalization.",
            "type": "string"
          },
          "lang": {
            "description": "Filter to posts in the given language. Expected to be based on post language field, though server may override language detection.",
            "format": "language",
            "type": "string"
          },
          "limit": {
            "default": 25,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "mentions": {
            "description": "Filter to posts which mention the given account. Handles are resolved to DID before query-time. Only matches rich-text facet mentions.",
            "format": "at-identifier",
            "type": "string"
          },
          "q": {
            "description": "Search query string; syntax, phrase, boolean, and faceting is unspecified, but Lucene query syntax is recommended.",
            "type": "string"
          },
          "since": {
            "description": "Filter results for posts after the indicated datetime (inclusive). Expected to use 'sortAt' timestamp, which may not match 'createdAt'. Can be a datetime, or just an ISO date (YYYY-MM-DD).",
            "type": "string"
          },
          "sort": {
            "default": "latest",
            "description": "Specifies the ranking order of results.",
            "knownValues": [
              "top",
              "latest"
            ],
            "type": "string"
          },
          "tag": {
            "description": "Filter to posts with the given tag (hashtag), based on rich-text facet or tag field. Do not include the hash (#) prefix. Multiple tags can be specified, with 'AND' matching.",
            "items": {
              "maxGraphemes": 64,
              "maxLength": 640,
              "type": "string"
            },
            "type": "array"
          },
          "until": {
            "description": "Filter results for posts before the indicated datetime (not inclusive). Expected to use 'sortAt' timestamp, which may not match 'createdAt'. Can be a datetime, or just an ISO date (YYY-MM-DD).",
            "type": "string"
          },
          "url": {
            "description": "Filter to posts with links (facet links or embeds) pointing to this URL. Server may apply URL normalization or fuzzy matching.",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "params"
      },
      "type": "query"
    }
  },
  "id": "town.delve.feed.searchPosts",
  "lexicon": 1
}
```