# Polymarket Get multiple markets with rewards API

> Returns multiple markets with rewards and supports filtering and sorting.

Source: https://www.sandbase.ai/model/polymarket/rewards-markets-multi
API reference: https://www.sandbase.ai/model/polymarket/rewards-markets-multi/docs

## Facts

- Provider: Polymarket
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/polymarket/rewards-markets-multi`
- Price: $0.02 per call
- Capabilities: api, polymarket, prediction markets
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/polymarket/rewards-markets-multi` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `event_id` | string | no |  |
| `event_title` | string | no |  |
| `max_price` | number | no |  |
| `max_spread` | number | no |  |
| `max_volume_24hr` | number | no |  |
| `min_price` | number | no |  |
| `min_spread` | number | no |  |
| `min_volume_24hr` | number | no |  |
| `next_cursor` | string | no |  |
| `order_by` | string | no | market_id, created_at, volume_24hr, spread, competitiveness, max_spread, min_size, question, one_day_price_change, rate_per_day, price, end_date, start_date, reward_end_date |
| `page_size` | integer | no |  |
| `position` | string | no | ASC, DESC |
| `q` | string | no |  |
| `tag_slug` | string | no |  |

## FAQ

### How do I use the Polymarket Get multiple markets with rewards API?

Send a POST request to https://api.sandbase.ai/v1/api/polymarket/rewards-markets-multi with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the Polymarket Get multiple markets with rewards API cost?

$0.02 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.

### What parameters does the Polymarket Get multiple markets with rewards API accept?

No parameters are required. Optional: event_id (string), event_title (string), max_price (number), max_spread (number), max_volume_24hr (number) and min_price (number) and 8 more. The Parameters table and the Playground on this page list every field.

### What does the Polymarket Get multiple markets with rewards API return?

A JSON response returned in the same HTTP request (synchronous).

### Do I need a Polymarket developer account or API key?

No. Polymarket Get multiple markets with rewards runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Polymarket API access separately.

## README

### Polymarket Get multiple markets with rewards API

Returns multiple markets with rewards and supports filtering and sorting.

The response is the official Polymarket API response, unchanged.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "polymarket/rewards-markets-multi"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `event_id` | string | No | Filter by event ID. Can be repeated for multiple events (e.g., ?event_id=100&event_id=200) |
| `event_title` | string | No | Search event titles using case-insensitive pattern matching |
| `max_price` | number | No | Maximum first token price filter |
| `max_spread` | number | No | Maximum spread filter |
| `max_volume_24hr` | number | No | Maximum 24-hour volume filter |
| `min_price` | number | No | Minimum first token price filter |
| `min_spread` | number | No | Minimum spread filter |
| `min_volume_24hr` | number | No | Minimum 24-hour volume filter |
| `next_cursor` | string | No | Pagination cursor from previous response |
| `order_by` | string | No | Field to sort results by |
| `page_size` | integer | No | Number of items per page (max 500, values above are capped) |
| `position` | string | No | Sort direction |
| `q` | string | No | Text search on market question/description |
| `tag_slug` | string | No | Filter by tag slug. Can be repeated for OR logic (e.g., ?tag_slug=sports&tag_slug=politics) |

#### Pricing

Flat price per call. Failed calls are not charged.