Finish already developed website w/ API requests & checkout

Description of process and status:
1. Polish up and add to website that describes what project is trying to do. Site is built in JS Vue. Can forward this via Github repository and pdf version to person we move forward with.
2. Integrate an external API. Process:
Our customer enters an ID on our site.
Using their ID we make an API request on an external site. (we have tested this already - would like to find a backup API also)
Receive API response in following format:
X number transactions in Y year (going back up to 7-8 years)
Z value of transactions in Y year
Present API outputs in presentable format.
Apply charge for X, depending on year:
X2019 * $5
X2018 * $4, etc. The $5/$4 may change
Link to page explaining how we came up with the various charges (static content for now).
Add charges for various years into a total, nicely presented.
4. Take total and offer customers to buy carbon credits of an amount greater or equal to that number. The project style and setup will be like this site: https://www.exon.org.uk/projects with a price for a unit of each project. So customers might buy 3xunits of project 1, 5x units of project 3, etc.
Add the units up to a total amount owed by client.
Simple checkout page summarizing projects bought and total owed.
Payable either with credit card or BTC (into a wallet we will provide) if they want to be anonymous
A thank you for your custom page
Enter original customer ID into a “Registry Page” that include IDs that have used the service (with an option for IDs to be anonymous as part of checkout process)
5. Each customer gets issued a crypto token (probably Solana based) that gives rights to both governance of the Registry and also a share of future revenues [note: unless you have experience with crypto tokens this will be outside the scope of this assignment - we will implement this with someone who has crypto experience]

Timeline: hope to finish in 3-4 weeks. All our other backend work is in Python with some Javascript/Vue so we want this developed in those languages too.