---
title: "Latest probabilistic forecast curve"
method: GET
path: "/v1/forecasts/{zone}"
---

# Latest probabilistic forecast curve

`GET /v1/forecasts/{zone}`

## Request

- Base URL: `https://voltcast.com/api`
- URL: `https://voltcast.com/api/v1/forecasts/{zone}`
- Auth: HTTP bearer

## Path parameters

- `zone` string, required

## Query parameters

- `horizon` '48h' | '7d'
- `format` 'json' | 'csv'

## Response `200`

15-minute P50 curve (P10/P90 on Pro+); meta links the zone's live accuracy record.

- object
  - `data` ForecastRow[]
    - `target_start` string, date-time
    - `resolution_flag` 'PT15M'
    - `p50` number
    - `p10` number
    - `p90` number

## Other responses

- `403`: subscription_required | zone_selection_required | zone_not_in_tier (Home and grandfathered Free zone errors include change_zone_url)

---

[API](https://skmtc.dev/voltcast/apis/voltcast-api.md) · [All operations](https://skmtc.dev/voltcast/apis/voltcast-api/llms.txt) · [OpenAPI document](https://skmtc.dev/voltcast/apis/voltcast-api/revisions/9c39e52e3eed?raw)
