# Viewability Pixel Tracker MCP

> Viewability Pixel Tracker MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-11).

Tracks ad viewability using pixel-based monitoring, reporting whether ad impressions were actually seen by users.

## Facts

- Endpoint: POST https://api.m2mcent.com/viewability-pixel-tracker-mcp/api/process?utm_source=zero.xyz
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/viewability-pixel-tracker-mcp-02341440
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wSLBRc6Jqd-S11kGDL2fR

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 viewability-pixel-tracker-mcp-02341440 -d '<json body>'
```

Example prompt: Can you process this viewability pixel event data and tell me whether the ad impression was actually seen by the user?

## When to prefer this

Choose this endpoint when you need to programmatically process and record viewability pixel events for digital ads, particularly within agentic workflows that automate ad measurement reporting or need to verify impression quality at scale.

## Known failure modes

- Missing or malformed 'data' field returns a validation error
- Unparseable pixel event data causes processing failure
- Empty input string results in no viewability measurement
- Downstream tracking system unavailability returns a 503 or timeout
- Invalid impression format may return an error or null viewability result

## How this service works

The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.

## Output

Returns a processed viewability result indicating whether the ad impression event captured by the pixel was measured as in-view, along with any associated tracking metadata or status from the processed pixel data.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/viewability-pixel-tracker-mcp-02341440/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.m2mcent.com](https://www.zero.xyz/host/api.m2mcent.com/llms.txt)