Contract-accurate fixtures
EPC rows use MTCH, CMTC, NMTC and NOAP responses, request IDs, millisecond timestamps, BIC agents, and the official payee-verification path.
Build deterministic VOP and CoP regression matrices before a PSP, RVM, payment form, or beneficiary workflow reaches production. Preview real request shapes for free; export complete JSON or CSV fixtures on Business.
Choose the scheme and branches. The preview uses synthetic identifiers only and includes expected HTTP status, headers, body, response, and reviewer action.
EPC rows use MTCH, CMTC, NMTC and NOAP responses, request IDs, millisecond timestamps, BIC agents, and the official payee-verification path.
Exercise malformed requests, stale timestamps, unknown clients, and certificate-to-request identity mismatches with expected 400 or 401 responses.
Use a stable seed to reproduce the same matrix across release pipelines, provider adapters, audit reviews, and customer acceptance tests.
Interactive eight-case preview with visible request and response contracts.
Run previewFull JSON/CSV matrices, saved QA datasets, project API keys, roles, and audit history.
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