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OpenCard ships embeddable JS plugins for partner sites. These are optional UI helpers. For the full API path (billing → TPA → organization → webhook → card holders), start with Customer onboarding — you can integrate without these plugins.

ocTPA — TPA onboarding wizard

Self-service wizard that mirrors customer onboarding Phase 1:
  1. Pick card program (GET .../cardissuers on the account)
  2. Pick products (transactions + optional enrichment)
  3. Invoice email / reference
  4. Signatory combination + emails (GET .../publicrecords)
  5. Hand payload to you via onDataSend
Load:
Init:

onDataSend payload


Lightweight modal that opens the PDPC signing URL in a new tab.
Display-only. No API calls.