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Never provide your MerchantInfo credentials to a 3rd party, such as a chargeback management company. As a reminder, your user login provides full access to your processing relationships, financial information, contact and email information, federal tax information, and much more, and any 3rd party you may have provided your credentials to will have access to that information. Additionally, they will have access to data provided on the site in any future updates. If you have provided your information to a 3rd party and need more information, contact us at

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Copyright © 2022 Signature Payments. Signature is an ISO/MSP representing Westamerica Bank, San Jose CA, and Merrick Bank, South Jordan UT