# WhatsApp API Error INVALID_PROPERTY_VALUE_FORMAT in Flow JSON
Author: Prashant Jangid
Author URL: https://www.heltar.com/blogs/author/prashant-jangid
Published: 2025-03-31
Category: Troubleshoot
Category URL: https://www.heltar.com/blogs/category/troubleshoot
Tags: WhatsApp Flows Error
Tag URLs: WhatsApp Flows Error (https://www.heltar.com/blogs/tag/whatsapp-flows-error)
URL: https://www.heltar.com/blogs/whatsapp-api-error-invalidpropertyvalueformat-in-flow-json-cm8wuuntl009g4w8i9blopyc7

The **INVALID\_PROPERTY\_VALUE\_FORMAT** error occurs when a property’s value does not follow the required format. This means that while the property itself is valid, the value assigned to it does not match the expected format.

### Error Message Example

_INVALID\_PROPERTY\_VALUE\_FORMAT_

_Property '${propertyName}' should be in '${format}' format._

For example:

_Property 'data\_channel\_uri' must be in 'uri' format._

### Understanding the Issue

Let’s look at an example where this error occurs:

```
{
  "version": "2.1",
  "data_channel_uri": "placeholder_uri",
  "screens": [
    ...
  ]
}
```

Here, the data\_channel\_uri property expects a valid URI format, but the value "placeholder\_uri" does not follow the correct structure (e.g., https://example.com).

### Common Causes of This Error

1. **Invalid URI Format**


   - Incorrect: "data\_channel\_uri": "placeholder\_uri"

   - Correct: "data\_channel\_uri": "https://api.example.com/channel"


3. **Date Format Issues:** Some properties may require a specific date format (YYYY-MM-DD or ISO 8601).

4. **Unexpected Number or String Formats:** Ensure numerical values do not contain unwanted characters (e.g., 1,000 instead of 1000).


### How to Fix It?

- **Identify the Property:** Check the error message for the property name.

- **Verify the Required Format:** Refer to the Flow JSON documentation to find the correct format.

- **Update the Value:** Modify the property value to match the required format.


### Fixed JSON Example

```
{
  "version": "2.1",
  "data_channel_uri": "https://api.example.com/channel",
  "screens": [
    ...
  ]
}
```

Now, the data\_channel\_uri property has a valid URI format, resolving the error.

_**Tip: Use JSON validation tools to catch errors early and always refer to official documentation before adding new properties.**_

By ensuring that all property values adhere to the correct format, you can prevent INVALID\_PROPERTY\_VALUE\_FORMAT errors in your Flow JSON.

For more insights related to WhatsApp Business API, check out [heltar.com/blogs](http://heltar.com/blogs).


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