# Seerium Polymarket Sponsor Rewards Market Discovery

> Seerium Polymarket Sponsor Rewards Market Discovery is a paid API for AI agents from api.seerium.xyz, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Discovers and ranks Polymarket prediction markets with active sponsor reward programs, filtered by CLOB liquidity, 24h volume, spread, and daily reward rates.

## Facts

- Endpoint: GET https://api.seerium.xyz/v1/prediction/rewards
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-seerium-xyz-9e90598f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vVfuu4GkpmYi4m2e3Pwcs

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability api-seerium-xyz-9e90598f
```

Example prompt: Show me the top 20 Polymarket sponsor reward markets sorted by daily reward rate descending, and filter out any with less than $500 in CLOB liquidity or less than $1000 in 24h volume.

## When to prefer this

Use this endpoint when you need to discover Polymarket markets that have active sponsor reward programs and want to filter or rank them by liquidity, volume, spread, or reward rate. Prefer this over the general Polymarket scan endpoint when reward program eligibility and daily reward rates are the primary decision criteria.

## Known failure modes

- No markets match the specified volumeMin/liquidityMin filters — returns empty list
- Invalid sort field in 'order' parameter — may return error or default sort
- offset beyond available results — returns empty list
- Payment not sent or insufficient — 402 response blocking access
- Polymarket data feed temporarily unavailable — stale or missing reward data

## How this service works

Crypto and prediction market intelligence through x402.

## Output

A ranked list of Polymarket prediction markets that have active sponsor reward programs, each with CLOB liquidity, 24h volume, spread, current daily rewards rate, and reward program minimum size — ready for agent-driven trading or market-making decisions.

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "limit": 20,
   "order": "currentDailyRewardsRate",
   "offset": 0,
   "ascending": false,
   "volumeMin": 1000,
   "liquidityMin": 500
  }
 }
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "number",
       "minimum": 1,
       "description": "Optional maximum Polymarket sponsor reward markets to return. Defaults to 50."
      },
      "order": {
       "type": "string",
       "description": "Optional sort field such as volume24hr, liquidityClob, or currentDailyRewardsRate. Defaults to volume24hr."
      },
      "offset": {
       "type": "number",
       "minimum": 0,
       "description": "Optional pagination offset. Defaults to 0."
      },
      "ascending": {
       "type": "boolean",
       "description": "Optional flag to sort ascending. Defaults to false."
      },
      "volumeMin": {
       "type": "number",
       "description": "Optional minimum 24h market volume."
      },
      "liquidityMin": {
       "type": "number",
       "description": "Optional minimum CLOB liquidity."
      },
      "rewardsMinSize": {
       "type": "number",
       "description": "Optional minimum reward program min-size."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "total": 500,
   "markets": [
    {
     "spread": 0.01,
     "marketId": "1919425",
     "question": "US x Iran permanent peace deal by May 31, 2026?",
     "eventTitle": null,
     "marketSlug": "us-x-iran-permanent-peace-deal-by-may-31-2026",
     "volume24hr": 5768589.43,
     "clobRewards": [
      {
       "id": null,
       "endDate": "2500-12-31T00:00:00.000Z",
       "startDate": "2026-05-19T00:00:00.000Z",
       "conditionId": null,
       "assetAddress": "0xC011a7E12a19f7B1f670d46F03B03f3342E82DFB",
       "rewardsAmount": 0,
       "rewardsDailyRate": 5000
      }
     ],
     "conditionId": "0x0e4a0c937b8934c2475613b6322b3f8edc8dedc24762e01e42b0e6f87424a089",
     "clobTokenIds": [
      "poly_yes_token",
      "poly_no_token"
     ],
     "liquidityAmm": null,
     "rewardAmount": null,
     "liquidityClob": 1201662.28,
     "clobRewardsEnd": "2500-12-31T00:00:00.000Z",
     "rewardsMinSize": 200,
     "clobRewardsStart": "2026-05-19T00:00:00.000Z",
     "rewardAllocation": null,
     "rewardsMaxSpread": 3.5,
     "activeRewardPrograms": 1,
     "currentRewardsAmount": 0,
     "currentDailyRewardsRate": 5000
    }
   ],
   "nextOffset": 1
  },
  "meta": {
   "requestId": "req_example_123",
   "updatedAt": "2026-03-25T11:59:30.000Z",
   "freshnessMs": 30000,
   "generatedAt": "2026-03-25T12:00:00.000Z"
  },
  "product": {
   "id": "sponsor-rewards",
   "name": "Polymarket Sponsor Rewards API",
   "path": "/v1/prediction/rewards",
   "price": "$0.1000",
   "method": "GET",
   "accepts": [
    {
     "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
     "price": "$0.1000",
     "scheme": "exact",
     "network": "eip155:8453"
    },
    {
     "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
     "price": "$0.1000",
     "scheme": "exact",
     "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    }
   ],
   "networks": [
    "eip155:8453",
    "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
   ]
  },
  "service": "seerium-x402-api"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-seerium-xyz-9e90598f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.seerium.xyz](https://www.zero.xyz/host/api.seerium.xyz/llms.txt)