I am a merchant, I can't find my merchant ID or API key Your merchant ID and API key are in the Merchant Portal under the Add Zip as a Payment Options tab. If you experience any difficulties, please email our Merchant Experience team. Related articles Why has my account been put on hold? I am a merchant, how does Zip integration work? Can I use Zip to pay for a subscription? I am a merchant, what's the Zip widget? Does Zip approve every order?