# BlockRun.AI Sports Categories List

> BlockRun.AI Sports Categories List is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-17).

Returns a list of available sports categories on the Polymarket prediction market platform

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/sports/categories?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-ai-9886fdb5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uWsyMUNGY0BghfCCOhEQ2

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 blockrun-ai-9886fdb5
```

Example prompt: What sports categories are available on Polymarket right now? I want to see all the types of sports I can browse or trade.

## When to prefer this

Use this endpoint when you need to discover or enumerate the sports categories available on Polymarket before fetching specific market data, filtering positions, or navigating sports prediction markets. It serves as a discovery/navigation step prior to querying specific sports markets.

## Known failure modes

- API returns empty list if no categories are currently active
- 500 server error if the upstream Polymarket data source is unavailable
- 402 Payment Required if x402 payment header is missing or insufficient
- Rate limiting if too many requests are made in a short window

## How this service works

List available sports categories

## Output

A list of available sports categories on the Polymarket platform, likely including category names and identifiers that can be used to filter or browse sports-related prediction markets.

## Example request

```json
{
 "input": {
  "body": {}
 }
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "query": {
     "type": "object",
     "required": [],
     "properties": {}
    }
   }
  },
  "output": {
   "type": "object",
   "properties": {
    "example": {
     "type": "object",
     "properties": {
      "data": {
       "type": "object"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/blockrun-ai-9886fdb5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from blockrun.ai](https://www.zero.xyz/host/blockrun.ai/llms.txt)