UK Fuel Price Tracker Launches with CMA Open Data
A new fuel price tracking application leverages the CMA's public API, mandated for all major UK fuel retailers. With real-time data reporting commencing in June 2024, this tool aims to reduce overpricing for consumers by ensuring transparency in fuel costs.
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Since June 2024, major UK fuel retailers must report pump prices to the government, as mandated by the Competition and Markets Authority (CMA). The CMA's public API, which offers near-real-time data, reveals that UK drivers were overpaying approximately 6p per litre due to fragmented pricing information.
The API includes all major retailers and is designed for easy access, requiring an OAuth2 token with a rate limit of 100 requests per minute. The application, built on Next.js 16, employs PostGIS for geospatial queries and integrates with Postcodes.io for geocoding.
The sync process for fetching and updating data takes about 90 seconds, allowing users to find the cheapest fuel options efficiently. Despite the availability of this data, minimal development has occurred since its launch. This underutilization suggests potential for future applications that can enhance consumer price comparisons.
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