Install Flask-WTF.
pip install Flask-WTFCreate a WTForm.
from flask_wtf import FlaskFormfrom wtforms import Field, StringFieldclass UserForm(FlaskForm): # disable csrf class Meta: csrf = False name = StringField() websites = ListField()In order to accept a field which is an array, you need to create a custom field.
class ListField(Field): def process_formdata(self, valuelist): self.data = valuelistAccept and return json request using flask-wtf.
from flask import jsonify, abortclass User: name = None websites = []@app.route('/test_api', methods=['POST'])def test_api(): item = User() form = UserProfileForm(item=item) if form.validate(): form.populate_obj(item) else: abort(401) return jsonify({'name': item.name, 'websites': item.websites})User curl to test your json form api.
curl -H "Content-Type: application/json" -X POST -d '{"name":"xyz","websites":["https://html-color-codes.info/"]}' http://localhost/test_api