Is Bold Subscriptions app compatible with Safeweb Services (NMI) as a payment processor?
Bold Subscriptions does not currently support Safeweb Services (NMI) as a payment processor. The app, along with all other subscription platforms that uses the Shopify checkout, supports Shopify Payments, Authorize.net, PayPal Express, and Stripe.
More information on supported payment options can be seen here - https://support.boldcommerce.com/hc/en-us/articles/360054884151-Payment-Options-Eligibility-in-Subscriptions-for-Shopify-Checkout.