# M2MCent ZK Payroll Vault MCP

> M2MCent ZK Payroll Vault MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.4/call, status unknown (last checked 2026-10-11).

Processes payroll data through a zero-knowledge payroll vault endpoint with USDC settlement on Base L2

## Facts

- Endpoint: POST https://api.m2mcent.com/zk-payroll-vault-mcp/api/process?utm_source=zero.xyz
- Price: $0.4/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/m2mcent-zk-payroll-vault-mcp-0ac510fc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Sjv9qSHM0TtSkdEIQpKiE

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 m2mcent-zk-payroll-vault-mcp-0ac510fc -d '<json body>'
```

Example prompt: Can you process this payroll data through the ZK payroll vault and confirm the on-chain settlement transaction?

## When to prefer this

Choose this endpoint when you need to process payroll data with on-chain settlement and zero-knowledge privacy guarantees on Base L2, specifically when you want gasless USDC settlements via the x402 protocol and need a transaction hash as proof of execution.

## Known failure modes

- Invalid or malformed payrollData string results in a failed processing response
- Insufficient USDC balance for the $0.40 per-call fee causes payment rejection
- Network congestion on Base L2 may delay transaction hash confirmation
- Malformed JSON input returns a validation error
- x402 payment protocol failure prevents endpoint execution

## 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 JSON object containing a transaction hash (txHash) representing the on-chain settlement and a success boolean indicating whether the payroll processing was completed successfully.

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/m2mcent-zk-payroll-vault-mcp-0ac510fc/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)
