# Inference Provider Stats > Methods, evidence limits, and the public API for OpenRouter model demand and supply. - [Methods and evidence limits](https://docs.inferenceproviderstats.com/methods.md): How the dashboard measures demand, model size, attention cache, and current supply. - [API documentation](https://docs.inferenceproviderstats.com/api-reference.md): Get checked model demand and public model facts with anonymous, read-only GET requests. - [Field and unit glossary](https://docs.inferenceproviderstats.com/api-reference/fields.md): All public v1 response fields, units, and availability states. - [Public data feeds](https://docs.inferenceproviderstats.com/api-reference/data-feeds.md): Read full demand history, model-level supply, and application rankings. - [Get public model data](https://docs.inferenceproviderstats.com/api-reference/models.md): List ranked public model records or return one exact model. - [Get the API contract](https://docs.inferenceproviderstats.com/api-reference/about.md): Read field definitions, source limits, availability states, and agent instructions. ## OpenAPI Specs - [openapi](/openapi.json)