I'm interested in this project because I have experience creating and integrating webhooks/ipns and I can help you without problems!
I can help you as soon as you want!
My skills:
Backend:
PHP +6 years: (Vanilla, Laravel, Yii1, Yii2, Codeigniter)
NodeJs +5 year: (Vanilla, Express, JWT, Passport, WebSockets, API Restful)
WebServices +6 years: (XML, JSON, API REST)
Wordpress +2 years
DevOps +3 years: CLI, Unix, Linux, Git
Databases: MySQL, SQL, MongoDB, SQLite
Frontend:
HTML, CSS, CSS Grids, Flexbox, Responsive Design, jQuery and Javascript Vanilla: +6 Years
React +2 years