Duplicate a task

Create a copy of a task at the end of the same column or backlog, with an optional new title.

The copy keeps description, priority, dates, labels, custom field values, the assignee (if still a member), its parent (as a sibling subtask) and the attachments referenced in the description, which count towards the storage quota (402 storage_quota_exceeded when it is full).
Comments, activity, time entries, child subtasks, other relations, external links and entity links are not copied.

Client-generated opaque key (up to 255 characters; UUID v7 recommended) that makes retries safe: the first response is cached and replayed for repeats without re-executing the mutation. Reusing a key with a different body returns 409 idempotency_key_reused. See the Idempotency guide.

Length1 <= length <= 255

Factuarea-Version?string

Pin the API version (YYYY-MM-DD, Stripe-style date versioning) for this request; omit to use the key's pinned version, or the latest if none. Unsupported version → 400 unsupported_api_version; malformed → 400 parameter_invalid_format. The effective version is echoed in the Factuarea-Version response header. See the Versioning guide.

Formatdate

X-Active-Profile?string

Operate on behalf of a child company (gestoría master key): pass its public id (UUID v7) and the request runs against that child's data without changing the key's scope, tier or environment (omit to use the key's own company). Invalid UUID → 400 parameter_invalid_uuid; unknown or non-owned id → 404 profile_not_found. See the Acting on behalf guide.

Formatuuid

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

title?|

Title of the copy (1 to 500 characters). When omitted, it keeps the title of the original.

Lengthlength <= 500

Response Body

`application/json`

Request example

const apiKey = process.env.FACTUAREA_API_KEY;if (!apiKey) throw new Error("Set FACTUAREA_API_KEY");const response = await fetch("https://api.factuarea.com/v1/tasks/01931b3e-7c4a-7f2e-9a8b-3c5d6e7f8a01/duplicate", {  method: "POST",  headers: { Authorization: `Bearer ${apiKey}`, ...{"Accept":"application/json","Content-Type":"application/json","Idempotency-Key":"erp-2026-public-api-v1-tasks-duplicate"} },  body: JSON.stringify({}),});if (!response.ok) throw new Error(await response.text());if (response.status !== 204) console.log(await response.json());

Response example

{
  "data": {
    "id": "0193a4f2-8f53-7d44-8e85-7a9b1c3d5f15",
    "object": "task",
    "key": "DEV-15",
    "number": 15,
    "project_id": "0193a4f2-7c20-7a11-8b52-4d6e8f0a2c01",
    "column_id": "0193a4f2-7d31-7b22-8c63-5e7f9a1b3d01",
    "status": "active",
    "priority": "high",
    "title": "Integrar la pasarela de pago en el checkout (copia)",
    "description": "Sustituir el formulario actual por el widget de pago y guardar la referencia del cobro en el pedido.",
    "start_on": "2026-09-21",
    "due_on": "2026-10-06",
    "assignee_id": "0193a4f2-6b1c-7d3e-8a41-2c5e7f9a1b01",
    "labels": [
      {
        "id": "0193a4f2-9a64-7e55-8f96-8b0c2d4e6a02",
        "name": "Frontend",
        "color": "blue"
      }
    ],
    "custom_fields": [
      {
        "field_id": "0193a4f2-7e42-7c33-8d74-6f8a0b2c4e01",
        "name": "Estimación (h)",
        "type": "number",
        "value": "8"
      },
      {
        "field_id": "0193a4f2-7e42-7c33-8d74-6f8a0b2c4e02",
        "name": "Entorno",
        "type": "dropdown",
        "value": "Preproducción"
      }
    ],
    "completed_at": null,
    "created_at": "2026-09-28T10:33:21+02:00",
    "updated_at": "2026-09-28T10:33:21+02:00",
    "counts": {
      "subtasks_total": 0,
      "subtasks_completed": 0,
      "comments": 0,
      "attachments": 0
    }
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "missing_api_key",
    "message": "Falta header Authorization o X-API-Key.",
    "doc_url": "https://docs.factuarea.com/guides/errors#missing_api_key",
    "request_id": "req_0cd909a074491950611a57e8e1"
  }
}

{
  "error": {
    "type": "payment_required_error",
    "code": "storage_quota_exceeded",
    "message": "No queda espacio de almacenamiento en tu empresa: estás usando 4998 MB de los 5000 MB de tu plan y copiar los adjuntos de la tarea ocupa 3 MB. Elimina archivos que ya no necesites o amplía tu plan desde Facturación, y vuelve a intentarlo.",
    "doc_url": "https://docs.factuarea.com/guides/errors#storage_quota_exceeded",
    "request_id": "req_7f3c21a9d04e5b8c61a2e0d4f7"
  }
}

{
  "error": {
    "type": "authorization_error",
    "code": "insufficient_scope",
    "message": "Esta operación requiere el scope 'tasks:write'. Tu API key solo tiene los scopes: tasks:read.",
    "doc_url": "https://docs.factuarea.com/guides/errors#insufficient_scope",
    "request_id": "req_4ee5b3610dcc34edb1a84662b3"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "task_not_found",
    "message": "Tarea no encontrada.",
    "doc_url": "https://docs.factuarea.com/guides/errors#task_not_found",
    "request_id": "req_c0184979e49faa8c62827f154a"
  }
}

{
  "error": {
    "type": "idempotency_error",
    "code": "idempotency_key_reused",
    "message": "Esa `Idempotency-Key` ya se usó con un payload distinto. La clave identifica una operación concreta, así que reutilizarla para otra vaciaría de sentido el replay.",
    "doc_url": "https://docs.factuarea.com/guides/errors#idempotency_key_reused",
    "request_id": "req_92593f215b510628351d09443e"
  }
}

POST /v1/tasks/{task}/duplicate · 422 project_archived

{
  "error": {
    "type": "invalid_request_error",
    "code": "project_archived",
    "message": "El proyecto está archivado: no admite tareas nuevas ni movimientos hacia él.",
    "param": "project_id",
    "doc_url": "https://docs.factuarea.com/guides/errors#project_archived",
    "request_id": "req_6c75c542fd7d507c0b7e86c4ed"
  }
}

POST /v1/tasks/{task}/duplicate · 422 invalid_param_value

{
  "error": {
    "type": "invalid_request_error",
    "code": "invalid_param_value",
    "message": "El título de la copia no puede superar 500 caracteres.",
    "param": "title",
    "doc_url": "https://docs.factuarea.com/guides/errors#invalid_param_value",
    "request_id": "req_0d32ed1ad957a697868a6e23b5"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limit_exceeded",
    "message": "Has excedido el límite de requests permitido. Reintenta más tarde.",
    "doc_url": "https://docs.factuarea.com/guides/errors#rate_limit_exceeded",
    "request_id": "req_bdd9bdcba6b407a058e7d59a49"
  }
}

{
  "error": {
    "type": "api_error",
    "code": "internal_error",
    "message": "Algo se rompió en nuestro lado al procesar la petición. La condición no la provoca tu payload.",
    "doc_url": "https://docs.factuarea.com/guides/errors#internal_error",
    "request_id": "req_f41e628c53ced905c863555a13"
  }
}

Duplicate a task

Authorization

Path Parameters

Headers

Request Body

Response Body

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

Duplicate a task

Authorization

Path Parameters

Headers

Request Body

Response Body

201application/json

401application/json

402application/json

403application/json

404application/json

409application/json

422application/json

429application/json

500application/json

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`