---
title: "Duplicate a capsule"
method: POST
path: "/api/preview/capsules/{id}/duplicate"
tags: ["capsule"]
---

# Duplicate a capsule

`POST /api/preview/capsules/{id}/duplicate`

## Path parameters

- `id` string, required — UUID v4 string

## Response `201`

Successful response

- object
  - `agent_meta` object, nullable
  - `alias_dropped` boolean
  - `alsoAvailableAsSkill` string
  - `archive_event_id` string, nullable
  - `archive_reason` string, nullable
  - `archived_at` string, nullable
  - `attachments` object[]
  - `capsule_keys` object[]
  - `categories` object[]
    - `name` string, required
    - `slug` string, required
  - `code_excerpt` string, nullable
  - `content` object
    - `bindings` object
    - `fields` object
    - `format` 'markdown' | 'composed' | 'structured' | 'log', required
    - `source` string
    - `summary` string, nullable
    - `text` string
  - `content_excerpt` string, nullable
  - `content_md` string, nullable
  - `content_rendered` string, nullable
  - `cover` object, nullable
  - `created_at` string
  - `created_by` string
  - `deleted_at` string, nullable
  - `draftAttachmentsMap` object
  - `evicted_version_nums` integer[]
  - `field_values` object
  - `flag_reason` string, nullable
  - `flagged_at` string, nullable
  - `id` string, required — UUID v4 string
  - `inbound_ref_count` integer
  - `incomplete` boolean
  - `is_agent` boolean
  - `is_encrypted` boolean
  - `is_prompt` boolean
  - `is_stale` boolean
  - `language` string, nullable
  - `last_entry_at` string, nullable
  - `last_fetched_at` string, nullable
  - `log` object
    - `append_via` string, required
    - `bound_type` object, required
      - `id` string, required — UUID v4 string
      - `name` string, required
      - `slug` string, required
    - `owned_log_ref` string, nullable, required
    - `role` 'owner' | 'log', required
  - `log_entries` object[]
  - `log_entries_next_cursor` string, nullable
  - `log_entries_total` integer
  - `log_entry_order` string
  - `log_field_schema` object[]
  - `log_period_key` string, nullable
  - `log_period_next` string, nullable
  - `log_period_prev` string, nullable
  - `missing_required_fields` string[]
  - `owned_log` object, nullable
  - `owner_capsule` object, nullable
  - `owner_capsule_id` string, nullable
  - `owner_log_binding` boolean
  - `owner_log_type` object, nullable
  - `preview_fields` object[]
  - `project_color` string, nullable
  - `project_id` string, nullable
  - `project_name` string, nullable
  - `project_slug` string, nullable
  - `prompt_meta` object, nullable
  - `prompt_name` string, nullable
  - `ref_id` integer
  - `resolvedCrossRefs` object
  - `rollover` string, nullable
  - `share_display` 'article' | 'prompt' | 'showcase', nullable
  - `share_display_effective` 'article' | 'prompt' | 'showcase', nullable
  - `skill_republish_needed` boolean
  - `slug` string, nullable
  - `summary` string, nullable
  - `summary_stale` boolean
  - `summary_updated_at` string, nullable
  - `tags` object[]
    - `name` string, required
    - `slug` string, required
  - `tags_dropped` boolean
  - `tags_truncated` boolean
  - `title` string
  - `token_bindings` object
  - `type_color` string, nullable
  - `type_content_md_max` integer, nullable
  - `type_guidance` string, nullable
  - `type_icon` string, nullable
  - `type_id` string — UUID v4 string
  - `type_log_entry_order` string, nullable
  - `type_log_target_type_id` string, nullable
  - `type_name` string
  - `type_rollover` string, nullable
  - `type_share_template` string, nullable
  - `type_slug` string
  - `type_structure` string, nullable
  - `unreferenced` boolean
  - `updated_at` string
  - `version_skip_reason` string, nullable
  - `version_skipped` boolean
  - `warnings` string[]
  - `workspace_id` string, nullable

## Changes

> 6 revisions in range; 3 could not be searched.

- **2026-08-29** `9ca3e15b9d44` — 2 info
  - added the optional property `incomplete` to the response with the `201` status
  - added the optional property `missing_required_fields` to the response with the `201` status

[Change history](https://skmtc.dev/symbol/apis/symbol-api/changes/api/preview/capsules/:id/duplicate/post.md)

---

[API](https://skmtc.dev/symbol/apis/symbol-api.md) · [All operations](https://skmtc.dev/symbol/apis/symbol-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/symbol/symbol-api/revisions/9ca3e15b9d44/schema)