> ## Documentation Index
> Fetch the complete documentation index at: https://code.dcycle.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Update LCA Portfolio

> Update an existing Life Cycle Assessment portfolio

# Update LCA Portfolio

Updates an existing LCA portfolio. Only the fields you include in the request body will be modified — all other fields remain unchanged.

## Request

### Headers

<ParamField header="x-api-key" type="string" required>
  Your API key for authentication

  **Example:** `sk_live_1234567890abcdef`
</ParamField>

<ParamField header="x-organization-id" type="string" required>
  Your organization UUID

  **Example:** `a8315ef3-dd50-43f8-b7ce-d839e68d51fa`
</ParamField>

<ParamField header="Content-Type" type="string" required>
  Must be `application/json`
</ParamField>

### Path Parameters

<ParamField path="lca_id" type="string" required>
  UUID of the LCA portfolio to update

  **Example:** `550e8400-e29b-41d4-a716-446655440000`
</ParamField>

### Body Parameters

All fields are optional — include only the fields you want to change.

<ParamField body="name" type="string">
  Updated name

  **Example:** `"Product A - LCA 2025"`
</ParamField>

<ParamField body="description" type="string">
  Updated description
</ParamField>

<ParamField body="start_date" type="string">
  Updated start date (`YYYY-MM-DD`)
</ParamField>

<ParamField body="end_date" type="string">
  Updated end date (`YYYY-MM-DD`)
</ParamField>

<ParamField body="value" type="number">
  Updated functional unit quantity
</ParamField>

<ParamField body="unit_id" type="string">
  Updated functional unit identifier
</ParamField>

<ParamField body="impact_categories" type="array[string]">
  Updated list of impact category identifiers

  **Common values:** `gwp`, `ap`, `ep`, `pocp`, `adp`
</ParamField>

## Response

Returns the updated portfolio (HTTP 200).

<ResponseField name="id" type="string">
  UUID of the LCA portfolio
</ResponseField>

<ResponseField name="organization_id" type="string">
  UUID of the organization
</ResponseField>

<ResponseField name="name" type="string">
  Portfolio name
</ResponseField>

<ResponseField name="description" type="string | null">
  Portfolio description
</ResponseField>

<ResponseField name="impact_categories" type="array[string]">
  Impact category identifiers
</ResponseField>

<ResponseField name="final_product_id" type="string | null">
  UUID of the primary output product
</ResponseField>

<ResponseField name="unit_id" type="string">
  Functional unit identifier
</ResponseField>

<ResponseField name="value" type="number">
  Functional unit quantity
</ResponseField>

<ResponseField name="start_date" type="date">
  Assessment period start date
</ResponseField>

<ResponseField name="end_date" type="date">
  Assessment period end date
</ResponseField>

<ResponseField name="status" type="string">
  Current portfolio status
</ResponseField>

<ResponseField name="created_at" type="datetime">
  When the portfolio was created
</ResponseField>

<ResponseField name="updated_at" type="datetime | null">
  When the portfolio was last updated
</ResponseField>

## Example

<CodeGroup>
  ```bash cURL theme={"theme":{"light":"github-light","dark":"github-dark"}}
  curl -X PATCH "https://api.dcycle.io/v1/lca/portfolio/${LCA_ID}" \
    -H "x-api-key: ${DCYCLE_API_KEY}" \
    -H "x-organization-id: ${DCYCLE_ORG_ID}" \
    -H "Content-Type: application/json" \
    -d '{
      "name": "Product A - LCA 2025",
      "description": "Updated cradle-to-gate assessment",
      "start_date": "2025-01-01",
      "end_date": "2025-12-31"
    }'
  ```

  ```python Python theme={"theme":{"light":"github-light","dark":"github-dark"}}
  import requests
  import os

  lca_id = "550e8400-e29b-41d4-a716-446655440000"

  response = requests.patch(
      f"https://api.dcycle.io/v1/lca/portfolio/{lca_id}",
      headers={
          "x-api-key": os.getenv("DCYCLE_API_KEY"),
          "x-organization-id": os.getenv("DCYCLE_ORG_ID"),
      },
      json={
          "name": "Product A - LCA 2025",
          "description": "Updated cradle-to-gate assessment",
          "start_date": "2025-01-01",
          "end_date": "2025-12-31",
      },
  )

  portfolio = response.json()
  print(f"Updated: {portfolio['name']} ({portfolio['start_date']} to {portfolio['end_date']})")
  ```

  ```javascript JavaScript theme={"theme":{"light":"github-light","dark":"github-dark"}}
  const axios = require('axios');

  const lcaId = '550e8400-e29b-41d4-a716-446655440000';

  axios.patch(`https://api.dcycle.io/v1/lca/portfolio/${lcaId}`, {
    name: 'Product A - LCA 2025',
    description: 'Updated cradle-to-gate assessment',
    start_date: '2025-01-01',
    end_date: '2025-12-31',
  }, {
    headers: {
      'x-api-key': process.env.DCYCLE_API_KEY,
      'x-organization-id': process.env.DCYCLE_ORG_ID,
    },
  })
  .then(({ data }) => {
    console.log(`Updated: ${data.name} (${data.start_date} to ${data.end_date})`);
  });
  ```
</CodeGroup>

### Successful Response

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "organization_id": "a8315ef3-dd50-43f8-b7ce-d839e68d51fa",
  "name": "Product A - LCA 2025",
  "description": "Updated cradle-to-gate assessment",
  "impact_categories": ["gwp", "ap", "ep"],
  "final_product_id": "c3d4e5f6-a7b8-9012-cdef-345678901234",
  "unit_id": "kg",
  "value": 1.0,
  "start_date": "2025-01-01",
  "end_date": "2025-12-31",
  "status": "active",
  "created_at": "2024-01-15T10:00:00Z",
  "updated_at": "2025-07-02T13:00:00Z"
}
```

## Common Errors

### 401 Unauthorized

**Cause:** Missing or invalid API key

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{"detail": "Invalid API key for organization", "code": "INVALID_API_KEY"}
```

### 403 Forbidden

**Cause:** The authenticated user is not a member of the organization

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{"detail": "Logged User is not Member of Organization", "code": "LOGGED_USER_NOT_MEMBER"}
```

### 404 Not Found

**Cause:** LCA portfolio not found or doesn't belong to your organization

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{"detail": "LCA Portfolio not found"}
```

## Related Endpoints

<CardGroup cols={2}>
  <Card title="Get LCA Portfolio" icon="magnifying-glass" href="/api-reference/lca/get">
    View portfolio details
  </Card>

  <Card title="Delete LCA Portfolio" icon="trash" href="/api-reference/lca/delete">
    Remove a portfolio
  </Card>

  <Card title="LCA Dashboard" icon="chart-pie" href="/api-reference/lca/dashboard">
    View environmental impact results
  </Card>
</CardGroup>