Local-first billing and payment virtualization layer — emulate payment providers offline: checkout flows, subscriptions, and webhooks.
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Sep 13, 2026 - Go
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payment-testing
Here are 13 public repositories matching this topic...
Payment cryptography workflow library. EMV, DUKPT, PIN blocks, MAC, card validation, TR-31/TR-34, and HSM command inspection. Inspectable recipes for development, testing, and interoperability.
cryptography fintech hsm dukpt emv acquirer iso-8583 cyberchef pin-block tr-31 payment-cryptography payment-testing
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Aug 25, 2026
This fork extends CyberChef with a focused set of payment cryptography operations intended for engineering, debugging, and interoperability work in regulated payment environments.
cryptography fintech hsm dukpt emv acquirer iso-8583 cyberchef pin-block tr-31 payment-cryptography payment-testing
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Sep 21, 2026 - JavaScript
Risk-based API and webhook QA lab with Playwright, TypeScript, idempotency, payment state testing and API-to-ledger reconciliation.
typescript postgresql openapi fintech api-testing test-strategy qa-automation playwright payment-testing webhook-testing
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Sep 9, 2026 - TypeScript
NumGen - A card number generator with Luhn validation. Generates test numbers for educational and testing purposes only. Supports multiple languages.
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May 2, 2026 - Python
Universal test suite for MCP servers — dual-rail payment testing (x402 + MPP/Tempo), 402 challenge validation, security audit, load testing. Works with any MCP-compatible server.
security-audit mcp blockchain load-testing mpp api-testing tempo ai-agents usdc model-context-protocol mcp-server payment-testing x402 machine-payments dual-rail
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Sep 24, 2026 - JavaScript
A research-backed B2B payments capstone testing financial correctness under delayed, duplicated, out-of-order, and conflicting payout events.
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Sep 2, 2026 - Python
Reliability CI for stablecoin payment integrations. Inject deterministic payment failures and verify financial state correctness.
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Sep 19, 2026 - TypeScript
Um gerador de IBANs portugueses válidos (em formato) para testes de software, desenvolvimento e demonstrações.
javascript open-source web-application portugal fintech banking testing-tools portuguese mock-data test-data-generator development-tools iban-validation financial-tools free-tool iban-portugal gerador-de-iban test-iban iban-fresquinho payment-testing pt-tool
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Sep 13, 2026 - TypeScript
Self-built mock payment API (Node.js/Express) with full-stack test automation — UI testing via Playwright, API testing via RestAssured, covering success/decline/insufficient-funds payment flows.
nodejs java express testng rest-assured page-object-model automation-testing playwright payment-testing
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Aug 23, 2026 - Java
Payment gateway API test automation against Stripe's test-mode sandbox — REST Assured + Postman/Newman
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Jul 11, 2026 - Java
AI-assisted QA lab for fintech payment systems: risk analysis, test generation, API checks, and quality reports. Public
pytest fintech quality-engineering qa-automation fastapi ai-testing llm-evaluation payment-testing risk-based-testing
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Apr 26, 2026 - Python
Synthetic payment-testing platform with deterministic failures, durable async webhooks, chaos scenarios, SDKs, and observability.
python webhooks distributed-systems sdk postgresql payments chaos-engineering idempotency fastapi payment-testing
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Sep 10, 2026 - Python
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