Stop the form from saving if the data is invalid

This feature in miniExtensions form for Airtable allows you to set special requirements for certain fields. When the user tries to submit the form, this will check if the data input is valid before sending it to Airtable. A simple example, only accept phone numbers that are exactly 10 digits.

Demo for Airtable

Here’s an embedded form that checks if the number of characters in the ID is valid or not.

Direct link to the form

Use Cases

This extension can be useful in a lot of scenarios. You can use it to:

  • Verify the ID is at a certain length
  • Confirm the text contains a specific word
  • Only allow users to select certain dates.
  • Set a range limit for Number fields.

If you click on the sample view below, you’ll see the table that’s used for the demo above.


Last Updated

Supported features

Third Party Integration

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Client Portal for Airtable

Share records with people outside of your organization. Limit them to only see their records and allow them to update some parts of the records.


Most frequent questions and answers

All of our plans allow for unlimited users using your extensions, as well as unlimited members on your miniExtensions account. Pro and Business plans also allow for a limited number of admin seats. You can find out more about our pricing model here.

There is no limit on how many bases you can install miniExtensions on. Learn more


We offer limited and unlimited plans. To learn more about how our limits work, see this article.


We have instructional videos for how to use each one of our extensions on the product page. They guide you step-by-step of how to set them up.


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