Tool detail
Particle Pro
Returns a paginated directory of podcast guests (non-host appearances), filterable by podcast, topic, name and brand-safety tier.
Categories: Entertainment
Use when
- find people who have guested on podcasts about a topic
- search podcast guests by name
- list frequent guests on a specific show
Not for
- not hosts - non-host guest appearances only
- not episode-level detail - the provider has a separate episodes endpoint for that
Inputs
GET query params (all optional): q, podcast_id, topic_id, appeared_since, min_appearances, sort, suitability_tier_max, limit, cursor
Admitted input schema
{
"type": "object",
"properties": {
"appeared_since": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"description": "Only include guests with at least one appearance published on or after this ISO 8601 date"
},
"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"
},
"min_appearances": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991,
"description": "Minimum lifetime appearance count to include (default 1)"
},
"podcast_id": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"description": "Restrict to guests who have appeared on this podcast (slug or ID)"
},
"q": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"description": "Case-insensitive substring match against the guest's display name"
},
"sort": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"enum": [
"appearances",
"recency"
],
"description": "Sort order (default: appearances)"
},
"suitability_tier_max": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"enum": [
"SAFE",
"LIMITED",
"SENSITIVE",
"UNSAFE"
],
"description": "Restrict to guests whose appearances are on podcasts at or below this IAB Tech Lab brand-safety tier"
},
"topic_id": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"description": "Restrict to guests with at least one appearance on an episode classified under this topic"
}
},
"required": [],
"additionalProperties": false
}Endpoint
- Method
GET- URL
https://api.particle.pro/v1/podcasts/guests
Payment
- Protocol
- x402
- Listed price
- 0.03 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/podcasts/guests
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z