← UK Office for National Statistics (website timeseries API)
This series has no golden-value checks assigned yet, so it is labelled unverified. The values are ingested from the official source with full provenance, but nothing here has been confirmed against a hand-checked reference point.
Coverage 1987-01-01 to 2026-07-01 · series id ons-api/CHAW
Recent values
| Period | Value | Revision |
|---|---|---|
| 2026-07-01 | 419.1 | 1 |
| 2026-06-01 | 416.5 | 1 |
| 2026-05-01 | 415.3 | 1 |
| 2026-04-01 | 414.4 | 1 |
| 2026-03-01 | 411.4 | 1 |
| 2026-02-01 | 408.2 | 1 |
| 2026-01-01 | 406.4 | 1 |
| 2025-12-01 | 408.5 | 1 |
| 2025-11-01 | 405.6 | 1 |
| 2025-10-01 | 407.4 | 1 |
| 2025-09-01 | 406.1 | 1 |
| 2025-08-01 | 407.7 | 1 |
Verification history
| Check | Result | Expected | Actual | When |
|---|---|---|---|---|
| freshness | pass | 17h ago | ||
| freshness | pass | 41h ago | ||
| freshness | pass | 2d ago | ||
| freshness | pass | 3d ago | ||
| freshness | pass | 4d ago | ||
| freshness | pass | 5d ago |
License and citation
License open-government (terms). Contains public sector information licensed under the Open Government Licence v3.0. Source: Office for National Statistics.
Official table: Consumer price inflation time series · Office for National Statistics (UK)
Use it
curl "https://starwell.dev/api/starwell/v1/sources/ons-api/series/CHAW/observations?latest=12"
Download CSV: full history with attribution.
Embed the chart
An SVG of this series, attribution included:
<img src="https://starwell.dev/sources/ons-api/CHAW/chart.svg"
alt="RPI All Items Index: Jan 1987=100" width="720" />
Embed the status badge
[](https://starwell.dev/sources/ons-api/CHAW)
curl -X POST "https://starwell.dev/api/starwell/v1/answer" \
-H "Authorization: Bearer dlk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"question": "What is the latest value?", "series": [{"source": "ons-api", "seriesId": "CHAW"}]}'
Data reads need no key; answers do. Keys are free at /account; a keyless sample lives at GET /api/starwell/v1/answer/demo.