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README.md

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+# PromptPay
+
+![Continuous Integration (pip)](https://github.com/jojoee/promptpay/workflows/Continuous%20Integration%20(pip)/badge.svg?branch=master)
+![Continuous Deployment (pip)](https://github.com/jojoee/promptpay/workflows/Continuous%20Deployment%20(pip)/badge.svg)
+[![PyPI version fury.io](https://badge.fury.io/py/promptpay.svg)](https://pypi.python.org/pypi/promptpay/)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![codecov](https://codecov.io/gh/jojoee/promptpay/branch/master/graph/badge.svg)](https://codecov.io/gh/jojoee/promptpay)
+
+Python library to generate PromptPay QR Code, inspired from [dtinth/promptpay-qr](https://github.com/dtinth/promptpay-qr)
+
+## Installation
+```
+pip install promptpay
+
+# or
+git clone https://github.com/jojoee/promptpay
+cd promptpay
+python setup.py install
+```
+
+## Usage
+
+### Library
+
+```python
+from promptpay import qrcode
+
+# generate a payload
+id_or_phone_number = "0841234567"
+payload = qrcode.generate_payload(id_or_phone_number)
+payload_with_amount = qrcode.generate_payload(id_or_phone_number, 1.23)
+
+# export to PIL image
+img = qrcode.to_image(payload)
+
+# export to file
+qrcode.to_file(payload, "./qrcode-0841234567.png")
+qrcode.to_file(payload_with_amount, "/Users/joe/Downloads/qrcode-0841234567.png") 
+```
+
+## Reference
+- [มีอะไรอยู่ใน PromptPay QR แกะสเปค QR ที่จะใช้จ่ายผ่าน mobile banking ได้ทุกธนาคารในอนาคต](https://www.blognone.com/node/95133)