RAMBOCARD DEVELOPER RESOURCES
Download plain-text example packs for card issuing API structure, webhook verification, USDT-funded card operations, advertising budget cards and AI subscription payment cards. These examples are educational and require approved live credentials for production use.
Create an account to view current card products, fees, funding options and API access status. Merchant acceptance is never guaranteed and depends on live program and merchant rules.
Sign up and view card productsRead issuing API overviewRunnable Node.js examples for a virtual card issuing API, including product discovery, card creation, funding, controls, transactions, idempotency, and safe error handling. ## What this example covers
A runnable Node.js webhook receiver demonstrating raw-body HMAC verification, timestamp checks, event deduplication, and card transaction lifecycle handling. ## Why webhook reliability matters
A practical guide to USDT-funded platform wallets, virtual card issuance, card funding, reconciliation, network checks, and exception boundaries. ## What a USDT-funded workflow actually means
A vendor-neutral advertising payment workflow for isolated client budgets, verification holds, threshold billing, settlements, refunds, and risk controls. ## Advertising payments are operationally different
A controlled virtual-card workflow for AI subscriptions, owner assignment, renewal budgets, failed-payment investigation, and team reconciliation. ## Why AI subscriptions benefit from separated cards