---
title: "Map Timeline"
method: GET
path: "/api/v1/map/timeline"
tags: ["map"]
---

# Map Timeline

`GET /api/v1/map/timeline`

## Request

- Base URL: `https://api.pdata.world`
- URL: `https://api.pdata.world/api/v1/map/timeline`
- Auth: none declared

Use when you need the hourly total-heat time series that drives the /map playback scrubber. History accretes from launch (no backfill).

## Query parameters

- `source` string, nullable: Reserved; playback history is source_scope='all' in v1.

## Response `200`

Successful Response

- MapTimelineOut
  - `source` string, nullable
  - `series` MapTimelinePoint[], required
    - `t` string, date-time, required
    - `total` number, required
  - `_meta` ResponseMetaList, required: Agent metadata for list/aggregate responses (no cite_as).
    - `attribution` string: Who aggregated this data, under which licence, and whose data it is.
    - `canonical_url` string, required: Stable URL for this resource: the pdata.world page, or the API URL for list responses.
    - `as_of` string, date-time: When this response was generated (UTC).
    - `docs` string: API documentation.

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/pdata/apis/pdata-backend.md) · [All operations](https://skmtc.dev/pdata/apis/pdata-backend/llms.txt) · [OpenAPI document](https://skmtc.dev/pdata/apis/pdata-backend/revisions/4c9bf3856786?raw)