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04 · Payments · Notion

Credit Card Payment Gateway

Integrate with Rapid Connect to process card payments across multiple industries, transaction scenarios and validation forms using the host-capture model.

Project context — organizations, products, and platforms evidenced in the source

Payology logoPayology
Rapid Connect / FirstData logoRapid Connect / FirstData
Role
Back-End
Domain
Payments
Sources
Notion
Published artifacts
3
Evidence archiveWide Payology branded cover.
Wide Payology branded cover.
Wide Payology branded cover.

Context

The problem and its boundary.

Integrate with Rapid Connect to process card payments across multiple industries, transaction scenarios and validation forms using the host-capture model.

Decisions & deliverables

  1. FirstData integration research and documentation
  2. Behavior-pattern analysis from FirstData test scenarios
  3. Mandatory, optional, common and uncommon tag analysis
  4. Tag relationship model described as a tag neural network
  5. Merchant-terminal collection endpoints
  6. Organization and recurring-payment data structure
  7. Relational table design
  8. Parser and integration factories
  9. Jest integration tests
  10. SRS / Datawire ID registration and activation specification
  11. Sending-transactions flow
  12. A structured inventory of 102 fields and their metadata

Technology

  • Node.js
  • TypeScript
  • Amazon SQS
  • Knex
  • PostgreSQL

What this archive can prove

Published authorship. Claims proportional to the source.

  • No repository, public product link, quantified result, date, scale or certification outcome is present.
  • The page documents certification scenarios but does not prove that certification was achieved.
  • The 102-field table has no standalone structured export in the archive.