A55

a55 operates a payment orchestration platform that enables merchants and platforms to route, authorize, and settle payments across channels. The company provides REST APIs, checkout iframe/SDKs, headless data feeds, payment links, and POS/host-to-host integrations, with features such as token vaulting, subscription retries and dunning, per-market 3DS control, adaptive AF orchestration, webhooks, and observability for unified payment operations across local rails and global card networks.