# PricingModel

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

Defines how the unit price for a product is determined.

## Values

| Value | Description |
| --- | --- |
| `Fixed` | A single fixed price per unit. |
| `Tiered` | Price varies by quantity tier (e.g., 1-10 = $5, 11-50 = $4). |
| `UsageBased` | Price determined by metered usage (e.g., per GB, per API call). |
| `Custom` | Custom pricing negotiated per deal or contract. |

## See also

- [All documentation](https://devportal.demo.winkpg.io/llms.txt): the machine-readable index of every public page on this site.