# OPTIMADE API **Provider:** OPTIMADE **Category:** developer **Base URL:** `http://optimade.local` **Auth:** none — `# No auth required` **Rate Limit:** See documentation **Free Tier:** Yes — available **Pricing:** Enterprise / contact sales (subscription) **Docs:** http://optimade.local ## Description The Open Databases Integration for Materials Design (OPTIMADE) consortium aims to make materials databases interoperational by developing a common REST API. This specification is generated using [optimade-python-tools](https://github.com/Materials-Consortia/optimade-p ## Endpoints | Method | Endpoint | Description | |--------|----------|-------------| | GET | `http://optimade.local/info` | Get Info | | GET | `http://optimade.local/info/{entry}` | Get Entry Info | | GET | `http://optimade.local/links` | Get Links | | GET | `http://optimade.local/references` | Get References | | GET | `http://optimade.local/references/{entry_id}` | Get Single Reference | | GET | `http://optimade.local/structures` | Get Structures | | GET | `http://optimade.local/structures/{entry_id}` | Get Single Structure | | GET | `http://optimade.local/versions` | Get Versions | ## Authentication No authentication required ``` # No auth required ``` ## Sample Request ```bash curl -X GET 'http://optimade.local/info' \ -H '# No auth required' ``` ## Sample Response ```json {} ``` ## Pricing Details Free — open public API, no authentication required. --- *Source: [API Map](https://apimap.dev/apis/optimade/) — CC BY 4.0*