---
title: "Update document"
method: PATCH
path: "/v1/senders/{senderId}/agent/knowledge-bases/{kbId}/documents/{docId}"
tags: ["Agent Knowledge Bases"]
---

# Update document

`PATCH /v1/senders/{senderId}/agent/knowledge-bases/{kbId}/documents/{docId}`

## Request

- Base URL: `https://api.zavu.dev`
- URL: `https://api.zavu.dev/v1/senders/{senderId}/agent/knowledge-bases/{kbId}/documents/{docId}`
- Auth: HTTP bearer

Update a document's title or content. Updating content reprocesses the document for RAG.

## Path parameters

- `senderId` string, required
- `kbId` string, required
- `docId` string, required

## Request body

- DocumentUpdateRequest: Fields to update on a knowledge base document. Updating content reprocesses the document for RAG.
  - `title` string
  - `content` string

## Response `200`

Document updated.

- DocumentResponse
  - `document` AgentDocument, required
    - `id` string, required
    - `knowledgeBaseId` string, required
    - `title` string, required
    - `contentLength` integer, required: Length of the document content in characters.
    - `chunkCount` integer, required: Number of chunks created from this document.
    - `isProcessed` boolean, required: Whether the document has been processed for RAG.
    - `createdAt` string, date-time, required
    - `updatedAt` string, date-time, required

## Other responses

- `400`: Invalid request.
- `401`: Unauthorized.
- `404`: Document not found.

## Changes

> 80 revisions in range; 1 not diffed.

- **2026-07-07** `f467a4da6cd2`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/zavudev/apis/zavu-unified-messaging-layer-api/changes/v1/senders/:senderId/agent/knowledge-bases/:kbId/documents/:docId/patch.md)

---

[API](https://skmtc.dev/zavudev/apis/zavu-unified-messaging-layer-api.md) - [All operations](https://skmtc.dev/zavudev/apis/zavu-unified-messaging-layer-api/llms.txt) - [OpenAPI document](https://skmtc.dev/zavudev/apis/zavu-unified-messaging-layer-api/revisions/75bc777b0ffb?raw)