# REST API

- [API Reference](/api/rest-api/rest-api.md): Learn about REST API integration with Fiddler. Retrieve environments from projects, use query parameters to list them, and get details for a specific model.
- [Environments REST API Guide](/api/rest-api/rest-api/environment.md): Learn about Fiddler’s environments API . Learn how to list pre-production and production environment datasets.
- [Jobs REST API Guide](/api/rest-api/rest-api/jobs.md): Learn how to create requests and responses to retrieve async job details by job ID and view all background/async jobs with the Fiddler Platform.
- [Model REST API Guide](/api/rest-api/rest-api/model.md): Dive into our guide to the Model REST API. Learn to list models, add models to a project, get details, update fields, generate models from samples, and more.
- [Custom Metrics REST API Guide](/api/rest-api/rest-api/custom-metrics.md): Discover Fiddler’s Custom Metric feature. Learn how to add, retrieve, and delete custom metrics from you Fiddler models.
- [Explainability REST API Guide](/api/rest-api/rest-api/explainability.md): Uncover Fiddler’s explainability features. Learn how to fetch slice queries, get feature impact, update precomputed impact, and optimize model operations.
- [File Upload REST API Guide](/api/rest-api/rest-api/file-upload.md): Explore API integration with Fiddler’s platform. Learn about file uploads, from single-part to multi-part options, and optimize your workflow effortlessly.
- [Projects REST API Guide](/api/rest-api/rest-api/projects.md): Learn about REST API projects on the Fiddler platform. Explore how to list projects, create a new project, and get detailed info for a specified project ID.
- [Baselines REST API Guide](/api/rest-api/rest-api/baseline.md): Discover Fiddler’s Baseline feature. Learn how to add, retrieve, delete, and list baselines for a model based on user permissions and filters.
- [Alert Rules REST API Guide](/api/rest-api/rest-api/alert-rules.md): Discover Fiddler’s Alert Rules REST API guide. Learn to list alerts by time, create alert rules, send notifications for alerts, and more.
- [Server Info REST API Guide](/api/rest-api/rest-api/server-info.md): Learn API guidelines for retrieving server info with Fiddler’s platform. Discover how to create requests, receive responses, and maximize our solutions.
- [Fiddler Trust Service REST API Guide](/api/rest-api/rest-api/fiddler-trust-service-guide.md): Discover Fiddler’s Trust Service models. Learn how to ensure your LLM applications are protected and returning valid responses.
- [Segments REST API Guide](/api/rest-api/rest-api/segments.md): Discover Fiddler’s Segments REST API guide. Learn to list, create, view details, delete segments by UUID, and list all segments for a model.
- [Events](/api/rest-api/rest-api/events.md)
- [Guardrails API Reference](/api/rest-api/guardrails-api-reference.md): Access the Fiddler Free Guardrails documentation covering rate limits, model outputs, and the Fiddler Trust Service's hallucination and safety models.