Integration of Key Crm and 1C

It is necessary to implement full synchronization of KeyCRM with 1C using the API. The main goal is to automate the creation of financial and warehouse documents in 1C based on the movement of the deal through the funnel in the CRM.
Attention! Interested in transferring specifically from funnels to 1C

The logic of operation that needs to be implemented:

1. Creation of an invoice: When a deal moves to a certain stage in KeyCRM (for example, "Invoice for payment"), a document "Invoice for payment" should be automatically created in 1C.

2. Creation of an order: After changing the stage in the deal in the CRM to "Sent" (or another target stage after payment), an "Order" (or "Expense invoice") should be automatically created in 1C.

3. Data synchronization: Information in 1C should be updated automatically if changes occur in the KeyCRM deal (product composition, quantity, client data).

4. Working with contractors: Check for duplicate clients by phone/email before creating a new record in 1C.

Requirements for the performer:

• Experience working with the KeyCRM API.

• Experience in developing HTTP services or handlers for 1C (UT, UNF, or BAS).

• Ability to set up stable data exchange without duplicating product and client cards.