# CDR.fyi API ## Docs - [Marketplaces](https://docs.cdr.fyi/api-reference/marketplaces.md): Documentation for the Marketplaces API endpoints including retrieving and updating marketplace records. - [Orders](https://docs.cdr.fyi/api-reference/orders.md): Retrieve, create, and update order records. - [API Reference Overview](https://docs.cdr.fyi/api-reference/overview.md): An introduction to the CDR.fyi API reference documentation - [Projects & Facilities](https://docs.cdr.fyi/api-reference/projects-facilities.md): List Projects & Facilities. - [Purchasers](https://docs.cdr.fyi/api-reference/purchasers.md): Create, update & list purchasers. - [Suppliers](https://docs.cdr.fyi/api-reference/suppliers.md): Create, update & list supplier records. - [Authentication](https://docs.cdr.fyi/authentication.md): Learn how to authenticate your API requests - [Changelog](https://docs.cdr.fyi/changelog.md): Learn how CDR.fyi platform is evolving - [Introduction](https://docs.cdr.fyi/introduction.md): Welcome to the CDR.fyi API documentation - [Methodology](https://docs.cdr.fyi/methodology.md): Explaining the CDR.fyi Methodology ## OpenAPI Specs - [openapi](https://docs.cdr.fyi/api-reference/openapi.json)