Tool detail

Machine Observer

Returns historical daily snapshots, 1 to 365 days, of Machine Observer's machine-economy indicators - x402 payment volume, agent registrations, and related adoption metrics.

Categories: Tool discovery

Use when

pull a historical time series for machine-economy indicators such as x402 volume or agent registrations
chart adoption trends like MCP activity or ERC-8004 agent registrations over a date range

Not for

not real-time - daily-refreshed stored observations, not live data
advertised asking prices in this data are not settlement or transacted prices, per the provider's methodology

Inputs

GET query param: days (integer 1-365, optional) - number of days of stored history to return.

Admitted input schema

{
  "type": "object",
  "properties": {
    "days": {
      "type": "integer",
      "minimum": 1,
      "maximum": 365,
      "description": "Number of calendar days of stored Machine Observer history to return."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://machineobserver.com/api/x402/history

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://machineobserver.com/api/x402/history
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z