Trying to overwrite/update a feature layer using json from an api

[GIS_utahDEM]

I am trying to automate updates to a polyline hosted feature layer in AGOL using an API. I think I have the format of the json to update correct, however, I'm having trouble with the final step of pushing the updates to the existing hosted feature layer (line 39). 

# Main function to fetch API, decode polylines, and publish to ArcGIS Online
def main():

    # Make request to API
    response = requests.get(api_url)
    if response.status_code == 200:
        # Assuming API response is JSON with 'features' containing polyline data
        features = response.json()
        

        # Extract features from the API data
        #features = api_data.get('features', [])

        #if not features:
        #    print("No features found in API response.")
        #    return

        try:
            # Truncate existing features in the feature layer
            feature_layer.manager.truncate()

            # Prepare new features to add
            geojson_features = []
            for feature in features:
                encoded_polyline = feature.get('EncodedPolyline')
                description = feature.get('Description')

                if encoded_polyline and description:
                    # Decode polyline from 'EncodedPolyline' field
                    decoded_polyline = decode_polyline(encoded_polyline)

                    # Convert to GeoJSON Feature format
                    geojson_feature = to_geojson_feature(decoded_polyline, description)
                    
                    geojson_features.append(geojson_feature)

            # Add new GeoJSON features to the feature layer
            print(json.dumps(geojson_features))
            result = feature_layer.edit_features(adds=json.dumps(geojson_features))

            print(f"Features updated successfully in ArcGIS Online hosted feature layer.")

        except Exception as e:
            print(f"Failed to update feature layer: {str(e)}")

    else:
        print("Failed to fetch data from API.")

This is what the print(json.dumps(geojson_features)) returns:

[{"type": "Feature", "geometry": {"type": "LineString", "coordinates": [[40.77248, -111.8377], [40.77254, -111.83776], [40.7728, -111.83804], [40.77248, -111.8377]]}, "properties": {"Description": "Blue Detour"}},

***I removed most of the coordinates for simplicity, and only included the first feature, the rest of the features have the same format

This is what is returned for the feature_layer.edit_features(adds=json.dumps(geojson_features)): 

pass in features as list of Features, dicts or PropertyMap
Parameters not valid for edit_features

[GIS_utahDEM]

@EarlMedina I replaced adds=temp_line with adds=[temp_line] and this is what I got (sorry for the atrocious highlighting). I also printed temp_line just to see what it looked like:

Any chance you're at the UC? Haha

[EarlMedina]

Hey sorry,

We may be overcomplicating things here.

How about you add this import:

from arcgis.features import FeatureSet

and then try to parse your data with one of the below. I think you may be able to parse your original geojson with "from_geojson"

 FeatureSet.from_dict()
 FeatureSet.from_geojson()
 FeatureSet.from_json()

Supply the result to the "adds" param.