# Prometheus query api, parameter step not worked

**URL:** <https://discuss.prometheus.io/t/prometheus-query-api-parameter-step-not-worked/741>\
**Category:** General Help/Support\
**Created:** [January 24, 2022, 3:36am UTC](https://discuss.prometheus.io/t/prometheus-query-api-parameter-step-not-worked/741 "2022-01-24T03:36:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![fly-king](https://dub1.discourse-cdn.com/flex017/user_avatar/discuss.prometheus.io/fly-king/32/339_2.png) [@fly-king](https://discuss.prometheus.io/u/fly-king)\
**Post date:** [January 24, 2022, 3:36am UTC](https://discuss.prometheus.io/t/prometheus-query-api-parameter-step-not-worked/741/1 "2022-01-24T03:36:24Z")

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I set parameter step=60s,but response datapoint width was not 60s

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<div class="post-metadata">

**Author:** ![fly-king](https://dub1.discourse-cdn.com/flex017/user_avatar/discuss.prometheus.io/fly-king/32/339_2.png) [@fly-king](https://discuss.prometheus.io/u/fly-king)\
**Post date:** [January 24, 2022, 3:37am UTC](https://discuss.prometheus.io/t/prometheus-query-api-parameter-step-not-worked/741/2 "2022-01-24T03:37:26Z")

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![image](https://europe1.discourse-cdn.com/flex017/uploads/prometheus/original/1X/0f8bdb6b8bb100a87081be79d31cc30ee3fe980c.png)

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<div class="post-metadata">

**Author:** ![fly-king](https://dub1.discourse-cdn.com/flex017/user_avatar/discuss.prometheus.io/fly-king/32/339_2.png) [@fly-king](https://discuss.prometheus.io/u/fly-king)\
**Post date:** [January 24, 2022, 3:38am UTC](https://discuss.prometheus.io/t/prometheus-query-api-parameter-step-not-worked/741/3 "2022-01-24T03:38:01Z")

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![image](https://europe1.discourse-cdn.com/flex017/uploads/prometheus/original/1X/c64a86d10f558350580cd952c7ace291334f5b3b.jpeg)