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Search API
Geographic & Environment
Noise Levels
× 1
API Credit Cost
Endpoint Overview
Noise Levels endpoint provides data on environmental noise levels for a specified postcode area, categorised by intensity.
Coverage
England
Scotland
Wales
N. IrelandUpdate Frequency
Annually
Request Format
HTTP Method:
GETTo use the API you should send an HTTP request to the following endpoint URL. This will return a JSON response.
https://api.postcodearea.co.uk/noise-levels/?key=&postcode={postcode}
Note that your key has automatically been added to the API endpoint for convenience.
Querystring Parameters:
{postcode}
A valid UK postcode (e.g., SW1A 1AA). Note that you can send the postcode with or without the space separating the outward and inward codes. For example, both "SW1A 1AA" and "SW1A1AA" are both valid.
{api_key}
A valid API key that authenticates your account.
Authorisation
For every endpoint request your API Key should be sent as part of the querystring:
https://api.postcodearea.co.uk/noise-levels/?key={api_key}&postcode=WS3+3PD
For example:
https://api.postcodearea.co.uk/noise-levels/?key=&postcode=WS3+3PD
Example Request and Response
If the above URL endpoint exists and the API key is valid, our system will return the following example response:
https://api.postcodearea.co.uk/noise-levels/?key=&postcode=WS3+3PD
Error Handling
| HTTP Status Code | Error Message | Reason |
|---|---|---|
| 400 | Invalid postcode format | The postcode provided is not valid. |
| 401 | Unauthorised request | API key missing or invalid. |
| 404 | Postcode not found | No data available for the given postcode. |
| 404 | No Results Found | No data available for the given radius. |
| 429 | Too many requests | Exceeded rate limit. |
| 500 | Internal server error | An unexpected issue occurred. |
Caching Policy
You may temporarily cache data retrieved from the API for performance optimisation purposes, provided that the cached data is:
- Stored in-memory only (e.g., application-level cache).
- Retained for no longer than one hour.
Caching API data to any persistent storage, including but not limited to databases, files, or external systems, constitutes a breach of our API Terms and Conditions. Such actions are strictly prohibited to ensure data accuracy and compliance with our licensing agreements.
If you have specific requirements for extended caching, you must seek prior written consent from us.
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