# BlockRun.AI - Active Exact-Matched Market Pairs

> BlockRun.AI - Active Exact-Matched Market Pairs is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Returns all currently active exact-matched market pairs on Polymarket

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/matching-markets/pairs
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-ai-ea740814
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vryjBbM177zz3ujmOliaW

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-ea740814
```

Example prompt: Can you pull up all the currently active exact-matched market pairs on BlockRun's Polymarket data feed?

## When to prefer this

Use this endpoint when you need to discover all currently active exact-matched market pairs on Polymarket, particularly as a prerequisite step before fetching detailed market data, prices, or analytics for specific pairs. Prefer this over sibling endpoints when you need a broad inventory of live matched markets rather than data for a specific wallet or market.

## Known failure modes

- No active pairs available returns empty data object
- Authentication or payment failure (402) if x402 payment not processed
- Service unavailable or rate limiting returning 5xx errors
- Empty or malformed response if no markets are currently matched

## How this service works

14M+ on-chain transactions. The routing & payment layer for AI. One endpoint routes to every frontier model — payment built in, settled in USDC on Base & Solana. One install for OpenClaw, Claude Code, or Franklin Agent.

## Output

A list of all active exact-matched market pairs, likely including pair identifiers, market IDs, and associated metadata about each matched prediction market pairing.

## Example request

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

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "body": {
     "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-ea740814/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)