# Making API Calls with the PurpleAir API

**URL:** <https://community.purpleair.com/t/making-api-calls-with-the-purpleair-api/180>\
**Category:** API\
**Created:** [November 18, 2021, 7:48pm UTC](https://community.purpleair.com/t/making-api-calls-with-the-purpleair-api/180 "2021-11-18T19:48:22Z")\
**Posts on this page:** 1\
**Showing post:** 26

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**Author:** ![Kieran](https://sea2.discourse-cdn.com/flex020/user_avatar/community.purpleair.com/kieran/32/6220_2.png) [@Kieran](https://community.purpleair.com/u/Kieran)\
**Post date:** [August 26, 2024, 5:36pm UTC](https://community.purpleair.com/t/making-api-calls-with-the-purpleair-api/180/26 "2024-08-26T17:36:57Z")

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Hello @Lorry ,

Any sensor that you can see on the [PurpleAir Map](https://map.purpleair.com/) is a public sensor and is queryable. The sensor index, which you need to query a sensor, can be found in the URL when clicked on a sensor on the map (see image below for reference).

![Screenshot 2024-08-26 at 11.32.55 AM](https://us1.discourse-cdn.com/flex020/uploads/purpleair/original/2X/d/de05ecae7b838911abb4bc510bddcb5a5dec7864.png)

Please note that the index will be the string of numbers directly after “select=” and before the # sign.

If you need to find large amounts of sensor indexes, you might be interested in performing a [bounding box](https://community.purpleair.com/t/finding-large-amounts-of-sensor-indexes-bounding-box-api-call/5688) API call.

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_[View the full topic](https://community.purpleair.com/t/making-api-calls-with-the-purpleair-api/180)._