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Click_id will be detected by a cookie.
API
When an advertiser already has an API for fetching conversions via their API. In this case, we should implement integration.
What type should be used?
POSTBACK - if the advertiser has the ability to send requests to our system from his back-end. Advertiser The advertiser should store on his side click ID which he will send in postback request.
PIXEL or CONTAINER – if the advertiser sends requests from the front – end or has no ability to store click ID on his side. Pixel The pixel uses COOKIES that’s why all requests are sent from the client’s browser after certain actions.
To prevent the occurrence of conversion duplicates in both you should add into it TXN ID with a unique identifier of for example saleID (order ID on the advertiser side)
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