---
title: "Get Prompt Caching Requests"
method: GET
path: "/cost_optimization/prompt_caching/requests"
tags: ["Cost Optimization"]
---

# Get Prompt Caching Requests

`GET /cost_optimization/prompt_caching/requests`

## Request

- Base URL: `https://api.sea-lion.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.sea-lion.ai/cost_optimization/prompt_caching/requests`
- Auth: API key in header `x-litellm-api-key`

## Query parameters

- `start_date` string, date-time, required
- `end_date` string, date-time, required
- `page_size` integer
- `filter` 'all' | 'injected' | 'hits'
- `cursor_start_time` string, date-time, nullable
- `cursor_request_id` string, nullable

## Response `200`

Successful Response

- PromptCachingRequestsResponse
  - `requests` PromptCachingRequest[], required
    - `request_id` string, required
    - `start_time` string, date-time, required
    - `model` string, required
    - `gateway_injected` boolean, required
    - `cache_read_tokens` integer, required
    - `cache_creation_tokens` integer, required
    - `spend` number, required
    - `net_savings` number, nullable, required
  - `page_size` integer, required
  - `has_more` boolean, required
  - `next_cursor` PromptCachingRequestCursor, required
    - `start_time` string, date-time, required
    - `request_id` string, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-21** `f2fb14eab3f5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/sea-lion/apis/litellm-api/changes/cost_optimization/prompt_caching/requests/get.md)

---

[API](https://skmtc.dev/sea-lion/apis/litellm-api.md) · [All operations](https://skmtc.dev/sea-lion/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/sea-lion/apis/litellm-api/revisions/1ba9123c189a?raw)