How to retrieve a MemberStack user ID by custom field value using their API despite console errors?

Chuck Lapointe asked July 15, 2023 17:20

Answered

Hi,
Is there a way to get a MemberStack user ID by a value in their custom field for example using your API somehow?
This would be for a situation in which we wouldn’t have access to their email nor Memberstack ID .

5 comments

Ben Sabic July 15, 2023 17:21

Hey Chuck!

As far as I know, that isn't possible at this time. What you are looking for / need is the ability to "filter" the results when using the List Members API endpoint, with a query parameter in the URL. I'm afraid that can't be done at the moment with the API.

One way you could do it currently is retrieve all your members, storing them in an array, and then filtering that.

cc: Tyler Bell

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Tyler Bell July 15, 2023 17:22

Ben’s correct. There’s no native way to do that.

For performance and efficiency, I recommend building your app logic such that you can always retrieve a member by their ID.

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Chuck Lapointe OP July 15, 2023 17:23

Thanks both!

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Ivan Throne March 16, 2025 16:08

I am getting a console error on loading the Memberstack API script. Is there a current issue?

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Raquel Lopez March 16, 2025 16:08
Hello, where did you get this import script? It's using the wrong source URLIt should be something like. With the right app id
```
<script data-memberstack-app="app_..." src="https://static.memberstack.com/scripts/v1/memberstack.js" type="text/javascript"></script>
```
You should obtain your corresponding import script in your Memberstack dashboard settings

You should NEVER use the admin api in your frontend 🙅
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