Payment APIs
Design payment API permissions around the job each key performs
Plan server-side API keys and focused permissions for wallet reads, invoice creation and card operations with WATADCASH.
WATADCASH / JOURNAL
Payment APIs | WATADCASH Journal
Practical guides to digital payments, wallets, transfers and merchant integrations.
Latest articles
4 items
Payment APIs
Card API integration: select an available product before requesting issuance
Plan the customer, product, issuance request and card-funding stages using WATADCASH’s public card API guidance.
Payment APIs
Payment retries should repeat an intention, not create a new one
Understand how order references, idempotency and event records help a payment integration avoid duplicate business effects.
Payment APIs
Why a payment webhook signature needs the original request body
Understand signed payment notifications, original request bytes and duplicate-event handling in the WATADCASH webhook workflow.