---
title: "Show Study cost"
method: GET
path: "/api/v1/studies/{id}/cost/"
tags: ["studies"]
---

# Show Study cost

`GET /api/v1/studies/{id}/cost/`

Returns cost information about the study. Default behaviour is to return cost at the time of the request, but projected cost can be requested via a query parameter.

## Path parameters

- `id` string, required

## Query parameters

- `is_projected` boolean

## Headers

- `Authorization` string, required

## Response `200`

Return the total cost for the study

- StudyTotalCost
  - `rewards` StudyCostBreakdown
    - `rewards` AmountAndCurrency
      - `amount` number, double — Amount in subcurrency. £1 will return 100
      - `currency` string — Currency Code
    - `fees` AmountAndCurrency
      - `amount` number, double — Amount in subcurrency. £1 will return 100
      - `currency` string — Currency Code
    - `tax` AmountAndCurrency
      - `amount` number, double — Amount in subcurrency. £1 will return 100
      - `currency` string — Currency Code
  - `bonuses` StudyCostBreakdown
    - `rewards` AmountAndCurrency
      - `amount` number, double — Amount in subcurrency. £1 will return 100
      - `currency` string — Currency Code
    - `fees` AmountAndCurrency
      - `amount` number, double — Amount in subcurrency. £1 will return 100
      - `currency` string — Currency Code
    - `tax` AmountAndCurrency
      - `amount` number, double — Amount in subcurrency. £1 will return 100
      - `currency` string — Currency Code
  - `_links` object

## Other responses

- `400` — Error

---

[API](https://skmtc.net/prolific/apis/api-reference.md) · [All operations](https://skmtc.net/prolific/apis/api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/prolific/api-reference/versions/5c53371c41a0/schema)