Integrate to an Existing Wordpress some API

This is a low budget project so please give a true realistic bid in the following 3 milestones do not bid more than 100 dollars for this work to be completed by March 1st. The person with the best review and best bid will get the work 1)I want to integrate this course found in this link which is open-source on GitHub [login to view URL] this is the sample website [login to view URL] Please check if the existing LMS course plugin is the best free version found on this list [login to view URL] I want to integrate the course my Chat GPT API Key so students can use it as part of the course because would like to create a 4-hour course to have a paywall for paid version and free limited trial version Milestone2) I need to install this app to an existing website [login to view URL] The instructions indicate it only requires a few minutes work See attached instructions for the PowerPoint app extension://elhekieabhbkpmcefcoobjddigjcaadp/ [login to view URL] Milestone 3) Add this desktop version of Chat GPT generator [login to view URL] I want to create a paywall where visitors have a free trial version for all of the and later must pay a monthly subscription fee for both applications above This would involve embedding PayPal and Tazapay embed codes that I will create including adding contact links and associated icons for Telegram Whattsapp Zalo and Messenger Milestone 4 I would need a plugin installed that allows the website to have English and Vietnamese language and integrate on [login to view URL] and Twitter feed instructions [login to view URL] The web app will be integrated with my Chat GPT API in an existing WordPress website where it will have a free trial and a paywall I have an existing WordPress website with a plugin for an online course that is not complete. I would like a realistic bid on completing the following in 5 days: 2) I want to integrate CHAT GPT API to the website so that I can charge a monthly subscription to use it however there is a free trial to use it . I have researched that there are a few ways to do this You can watch this video that details it [login to view URL] This is the content of the video [login to view URL] .. This is new and ready for those looking to kickstart their own app or website using the OpenAI GPT models. built it on MERN it should save you over 100 hours if you want to build or test your own ideas! New - ChatGPT Starter Kit [login to view URL] Using this open source [login to view URL] or These options [login to view URL] or these options [login to view URL] or any other ways that you can suggest to integrate Chat GPT 3) add wordpress plugin for language translation for English to Vietnam include the attached infographic as header to website include contact page similar to this contact page [login to view URL] except for different email addresses including standard terms and conditions policy in the footer and embedding Pay Pal code that I will create and include a link to Taza Pay another online payment system and adding attached QR code 4) Integrate HUB SPOT FREE CRM TOOLS including appointment calendar to be embeded on the contact page [login to view URL]