# TierConfig
**Kind:** interface
**Defined in:** `packages/zappier/src/pricing.ts`
## Fields
| Field | Type | Meaning |
|-------|------|---------|
| `id` | `string` | free | pro | business or custom |
| `name` | `string` | Display name |
| `multiplier` | `number` | Applied once to list cents |
| `monthlyCreditCents` | `number` | Included usage before Stripe/invoice |
| `defaultRule` | `PriceRule?` | Price for unlisted operationIds |
## Who constructs it
PricingStore.getTiers()
## Who consumes it
`quoteCall`, `applyMonthlyCredit`, `admin tiers`, `portal`
## Related modules
See `docs/modules/` for the functions that take these types as parameters and the values they return.