EVALUATE: How much will it cost to integrate with KeyCRM via API

Here is the API link: https://docs.keycrm.app Necessary: - Pick up orders Orders must include: - the customer and his contact data, a contact card is automatically created if there is no contact - Products that are in the order, if such products are already in the box, then they are automatically substituted, use the Article and Barcode of the products to check availability In the order, you need to receive the following data from KeyCRM into system fields and/or into additional process fields, you need to have the appropriate setting: - Buyer - Full address - Buyer's comment - Manager's comment - source order number - E-mail of the buyer - Buyer's phone number - Source - Registration time - Status - The price of the product - Sales tax - Total cost of the order - Delivery date - Country - Region/State - City - Delivery address - Index - Delivery service - Tracking code - Delivery status - Discount on order - Amount for goods - Payment status - Amount of payments - Profit - A gift - Recipient - Recipient's phone number - Gift packaging - Sale price - Discount on the product If the status of the order in the box changes, then the status on the KeyCRM side must be changed accordingly