Follow the In-App Payments Quick Start Guide to take payments in an app running on a buyer's personal mobile device.
Note: When testing the quick start in the Square Sandbox, be sure to use the Sandbox test values when you input a payment card in the Card Entry form.
Copyright 2019 Square, Inc.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.