# BlockRun.AI Polymarket Historical Cumulative Volume

> BlockRun.AI Polymarket Historical Cumulative Volume is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.0085/call, status unknown (last checked 2026-10-20).

Returns historical cumulative trading volume data for a specific Polymarket prediction market

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/markets/test/volume?utm_source=zero.xyz
- Price: $0.0085/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-ai-polymarket-historical-cumulative-volume-458338bc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-2aJ23l6HhB_a7l8BZDc-

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-polymarket-historical-cumulative-volume-458338bc
```

Example prompt: Can you pull up the historical cumulative trading volume for the Polymarket market on the 2024 US presidential election outcome?

## When to prefer this

Choose this endpoint when you need historical cumulative volume data specifically from Polymarket prediction markets and want time-series data on how total trading activity has evolved. Prefer this over generic market data APIs when working within the prediction market / Polymarket ecosystem and need volume-based analytics for a specific market.

## Known failure modes

- Invalid or non-existent market identifier returns empty or error response
- Market not found on Polymarket returns null data
- Rate limiting or payment failure returns 402 payment required
- Network timeout for markets with large historical datasets

## How this service works

Get historical cumulative volume data for a market

## Output

Returns a time-series dataset of historical cumulative trading volume for the specified Polymarket market, including aggregated volume figures over time that show how total market activity has grown.

## 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-polymarket-historical-cumulative-volume-458338bc/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)