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We are using Ontraport landing pages for our audience to sign up for our upcoming event. We need to use the Ontraport API (or any other way you can think of) to write the current landing page full URL (which will be the URL of the landing page plus some affiliate IDs) into one of the contact fields in Ontraport for the new viewer that signed up. So once again in other words: An affiliate X1 sends one referral John1 to our landing page: landingpage.com/affiliate=X1 John1 signs up for our event. Ontraport automatically creates a new contact with his name and email. We want this new contact to also have the URL of the landing page where he signed up in one of the contact fields. (This way we can send out the original affiliate link to them again, so they can refer their friends to this specific landing page and we can pay the affiliate) It's an easy an small project, but we have big plans, so we are looking for a good match to help with future customization projects. Please start your proposal with the sentence 'Sounds interesting.'. Also, have an understanding of the OP API and what is possible with it. Tell us if you have a better solution for our given situation. We are looking forward to hearing from you! Benedikt