Highnote
Built by the ex-Braintree/PayPal team as a from-scratch issuing platform with an embedded ledger — the newest US challenger to Marqeta and Lithic in embedded card programs.
Other card issuing processors
GalileoMarqetaThreddi2cPaymentologyPomeloNiumStripe IssuingAdyen IssuingCoreCardEpisode SixLithicWallesterZeta
Client list shows tracked neobanks with a publicly documented relationship — not a complete customer book. Sourced from issuer disclosures and public reporting; suggest a fix.