API Updates — August 3, 2026 — Developer API

Currency-aware transaction amounts — Transaction responses now include entity_amount for the signed settlement amount and merchant_amount for the signed original charge, each expressed in minor units with an explicit ISO 4217 currency code. List endpoint Fetch endpoint
Currency-aware initial credit limit — The business response now includes initial_approved_limit_amount in minor units with an explicit USD currency code, or null when no initial limit is approved. View endpoint
Currency-aware trip totals — Trip responses now include total_spend_amount as a signed value in minor units with an explicit ISO 4217 currency code. It is null for trips without spend or with mixed or unrecognized currencies. List endpoint Fetch endpoint

API Updates — August 3, 2026