v2.1.0
October 2026
Sub-merchants & payment attribution
Platform merchants can onboard third-party businesses, issue merchant identification keys, and attribute API collections to those sub-merchants.
Sub-merchants
- Admin-enabled Sub-merchants workspace for platform merchants who onboard other businesses
- Add entity or individual sub-merchants, share Ghana Card verification links, and track verification status
- Unique merchant identification key per sub-merchant for payment attribution
Developer access
- Optional meta.subMerchantIdentificationKey on legacy POST /payment to attribute a collection to a sub-merchant
- Keys must belong to your merchant account; unknown or foreign keys are rejected
- View attributed transactions per sub-merchant from the Sub-merchants page