---
title: "Update Document"
method: PUT
path: "/v1/documents/{document_id}"
tags: ["Public API v1"]
---

# Update Document

`PUT /v1/documents/{document_id}`

## Request

- Base URL: `https://api.corvio.ai`
- URL: `https://api.corvio.ai/v1/documents/{document_id}`
- Auth: HTTP bearer

## Path parameters

- `document_id` string, uuid, required

## Query parameters

- `response_mode` string

## Request body

- PublicDocumentUpdateRequest
  - `title` string, nullable
  - `markdown` string, nullable
  - `expected_content_revision` integer, nullable

## Response `200`

Successful Response

- union
  - PublicDocumentItem
    - `id` string, uuid, required
    - `node_id` string, uuid, required
    - `parent_node_id` string, uuid, nullable
    - `title` string, required
    - `doc_type` string, required
    - `content_revision` integer, required
    - `created_at` string, date-time, required
    - `updated_at` string, date-time, required
    - `content_updated_at` string, date-time, nullable
    - `archived_at` string, date-time, nullable
    - `markdown` string, nullable
    - `content_projection` object, nullable: Compact typed-carrier or tree-topology verification data when canonical Markdown is not a complete representation.
    - `content_complete` boolean
    - `content_status` 'complete' | 'live_projection_pending' | 'live_projection_failed'
    - `live_projection` object, nullable: Live-collaboration projection diagnostics when a live epoch exists. Null means the document has no active live projection to reconcile; use content_status/content_complete for content readiness.
  - PublicDocumentMutationReceipt
    - `status` 'applied' | 'replayed' | 'no_op' | 'applied_readback_failed', required
    - `operation` string, required
    - `operation_id` string, nullable
    - `id` string, uuid, required
    - `node_id` string, uuid, required
    - `title` string, required
    - `doc_type` string, required
    - `content_revision` integer, required
    - `content_sha256` string, nullable
    - `changed_line_range` string, nullable
    - `changed_line_ranges` string[]
    - `normalizations` string[]
    - `context_markdown` string, nullable
    - `readback_verified` boolean, required
    - `retry_safe` boolean, required
    - `next_read` object, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/corvio/apis/corvio-developer-api.md) · [All operations](https://skmtc.dev/corvio/apis/corvio-developer-api/llms.txt) · [OpenAPI document](https://skmtc.dev/corvio/apis/corvio-developer-api/revisions/a5a77bb9619c?raw)