lightsparkdev · DhruvPareek · Aug 25, 2026
diff --git a/mintlify/openapi.yaml b/mintlify/openapi.yaml
diff --git a/openapi.yaml b/openapi.yaml
diff --git a/openapi/components/schemas/cards/Card.yaml b/openapi/components/schemas/cards/Card.yaml
@@ -69,10 +69,11 @@ properties:
         minimum: 1
       - type: 'null'
     description: >-
-      Largest amount a single card transaction may authorize, in the smallest
-      unit of the card's `currency`. Null means the card has no
-      application-enforced per-transaction limit. A transaction for exactly
-      this amount is allowed.
+      Card-specific cap on a single transaction, in the smallest unit of the
+      card's `currency`. Null means the card has no card-specific cap. When the
+      platform config also supplies `cardConfigs.maxSpendPerTransaction`, Grid
+      enforces the lower of the two values without replacing this configured
+      value. A transaction for exactly the effective limit is allowed.
     example: 5000
   currency:
     type: string