# API Reference

Developer reference for the Reviews API.

- [Query Syntax](reviews-api-query-syntax) - boolean operators, phrases, proximity, wildcards.
- [Time Range](reviews-api-time-range) - the search window and the 31-day publication cap.
- [Endpoints & Authentication](reviews-api-endpoints) - base URL, endpoints, and tokens.
- [Request Parameters](reviews-api-parameters) - every parameter with defaults.
- [Response Format](reviews-api-response-format) - the JSON envelope.
- [Pagination](reviews-api-pagination) - follow the next URL.
- [Segmentation API](reviews-api-segmentation) - aggregate counts instead of reviews.
- [Errors, Rate Limits & Credits](reviews-api-errors-limits) - what can go wrong and what it costs.