---
title: "Get event changes since a delta ID"
method: GET
path: "/api/v2/delta"
tags: ["V2 Events"]
---

# Get event changes since a delta ID

`GET /api/v2/delta`

## Request

- Base URL: `https://therundown.io`
- URL: `https://therundown.io/api/v2/delta`
- Auth: API key in header `X-TheRundown-Key`

Returns raw JSON delta payloads for events that changed since `last_id`. Each delta entry is a raw JSON string containing the full event update: the `data` field is a serialized JSON string, not a parsed object.

The response is wrapped in a `meta` object containing the `delta_last_id` cursor for subsequent polling.

## Query parameters

- `last_id` string, required
- `sport_id` integer
- `affiliate_ids` string

## Response `200`

Delta updates

- DeltasResponse
  - `meta` Meta
    - `delta_last_id` string
  - `deltas` object[]
    - `data` string: Raw JSON string of the delta payload

---

[API](https://skmtc.dev/therundown/apis/therundown-sports-api.md) - [All operations](https://skmtc.dev/therundown/apis/therundown-sports-api/llms.txt) - [OpenAPI document](https://skmtc.dev/therundown/apis/therundown-sports-api/revisions/d399d1f515db?raw)