---
title: "Search for similar chunks"
method: POST
path: "/api/v1/knowledge-base/search"
tags: ["main", "knowledge-base"]
---

# Search for similar chunks

`POST /api/v1/knowledge-base/search`

## Request

- Base URL: `https://app.dograh.com`
- URL: `https://app.dograh.com/api/v1/knowledge-base/search`
- Auth: none declared

Search for document chunks similar to the query.

This endpoint uses vector similarity search to find relevant chunks.
Results are returned without threshold filtering - apply similarity
thresholds at the application layer after optional reranking.

Access Control:
* Users can only search documents from their organization.

## Headers

- `authorization` string, nullable
- `X-API-Key` string, nullable

## Request body

- ChunkSearchRequestSchema: Request schema for searching similar chunks.
  - `query` string, required: Search query text
  - `limit` integer: Maximum number of results
  - `document_uuids` string[], nullable: Filter by specific document UUIDs
  - `min_similarity` number, nullable: Minimum similarity threshold

## Response `200`

Successful Response

- ChunkSearchResponseSchema: Response schema for chunk search results.
  - `chunks` ChunkResponseSchema[], required
    - `id` integer, required
    - `document_id` integer, required
    - `chunk_text` string, required
    - `contextualized_text` string, nullable, required
    - `chunk_index` integer, required
    - `chunk_metadata` object, required
    - `filename` string, required
    - `document_uuid` string, required
    - `similarity` number, required
  - `query` string, required
  - `total_results` integer, required

## Other responses

- `404`: Not found
- `422`: Validation Error

## Changes

- **2026-11-03** `faa00cf76fcb`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/dograh/apis/dograh-api/changes/api/v1/knowledge-base/search/post.md)

---

[API](https://skmtc.dev/dograh/apis/dograh-api.md) - [All operations](https://skmtc.dev/dograh/apis/dograh-api/llms.txt) - [OpenAPI document](https://skmtc.dev/dograh/apis/dograh-api/revisions/faa00cf76fcb?raw)