---
title: "Calculate reward recommendations"
method: GET
path: "/api/v1/reward-recommendations/"
tags: ["rewardRecommendations"]
---

# Calculate reward recommendations

`GET /api/v1/reward-recommendations/`

Calculate the recommended participant reward rates for a data collection, optionally based upon a given set of filters

## Query parameters

- `workspace_id` string, required
- `currency` 'USD' | 'GBP', required
- `screener_ids` string

## Headers

- `Authorization` string, required

## Response `200`

A list of reward recommendations. We suggest using the first recommendation in the list as this is guaranteed to be the most recent set of reward rates.

- RewardRecommendationsResponseItems[]
  - `currency` 'USD' | 'GBP' — An ISO 4217 currency code. Note that we only support a selection of currency codes as per the enum values.
  - `min_reward_per_hour` integer — The **minimum** hourly reward rate that we recommend you pay to your study's participants. **Note that** this is returned as the hundredth subunit of the given currency i.e: * for USD, this will be the value in cents * for GBP, this will be the value in pence To display this as USD or GBP respectively, you'll need to divide this value by 100 and use an appropriate number formatting API e.g: JavaScript: ```js new Intl.NumberFormat("en-US", { style: "currency", currency: "USD" }).format(2000/ 100); // "$20.00" ```
  - `recommended_reward_per_hour` integer — The **good** hourly reward rate that we recommend you pay to your study's participants. **Note that** this is returned as the hundredth subunit of the given currency i.e: * for USD, this will be the value in cents * for GBP, this will be the value in pence To display this as USD or GBP respectively, you'll need to divide this value by 100 and use an appropriate number formatting API e.g: JavaScript: ```js new Intl.NumberFormat("en-US", { style: "currency", currency: "USD" }).format(2000/ 100); // "$20.00" ```

## Other responses

- `400` — Error

---

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