Tool detail

Particle Pro

Returns the hierarchical topic taxonomy, optionally filtered to a parent topic or ancestry path.

Categories: Entertainment

Use when

list top-level topic categories
get child topics under a given parent topic
look up a topic's ancestry path

Not for

not episode or guest content - taxonomy structure only

Inputs

GET query params (all optional): parent_id, ancestry_path, ancestry_path_prefix, limit, cursor

Admitted input schema

{
  "type": "object",
  "properties": {
    "ancestry_path": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Filter by exact ancestry path hash."
    },
    "ancestry_path_prefix": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Filter by ancestry path prefix (all descendants)."
    },
    "cursor": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Opaque pagination cursor from previous response"
    },
    "limit": {
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991,
      "description": "Results per page"
    },
    "parent_id": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Get children of this topic. Accepts topic ID, ancestry slug, or ancestry path hash. Omit for top-level roots."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.particle.pro/v1/topics

Payment

Protocol: x402
Listed price: 0.01 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://api.particle.pro/v1/topics
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z