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Particle Pro: List Related Podcasts
x402
Particle Pro: List Related Podcasts is a paid API for AI agents from api.particle.pro, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-14).
Returns the most related podcasts to a given podcast, ranked by calibrated relevance score with band labels and optional content-similarity signals.
Price / call$0.03
Success—
StatusUnknown
How this service works
List related podcasts. Returns the shows most related to a podcast, best first, each with a calibrated score, a coarse band (strong, moderate, weak) to branch on, and — with include=basis — the signals behind the pairing: content similarity
Output
A ranked list of podcasts most related to the queried show, each with a numeric relevance score, a coarse band label (strong, moderate, or weak), and — when include=basis is passed — the supporting signals: content similarity, shared topics, shared guests (with names), same publisher, and shared sponsors. Results are paginated via opaque cursor.
Example use cases
Competitive podcast landscape mapping
“I'm researching the competitive space around the 'How I Built This' podcast — can you pull the 15 most related shows with at least a moderate relevance band, limited to English active podcasts, and include the similarity signals so I can see what they share?”
Brand-safe podcast ad targeting
“We want to advertise on shows similar to 'The Tim Ferriss Show' but only if they're brand-safe — pull related podcasts with suitability tier SAFE, active publishing status, and show me content similarity and shared sponsors in the results.”
Cross-promotion partner discovery
“I produce the 'Acquired' podcast and want to find strong cross-promotion partners — show me the top 20 most strongly related podcasts using the 'acquired' slug, include the basis signals, and filter to shows with a popularity percentile above 0.5.”
Technical details
Endpoint
GEThttps://api.particle.pro/v1/podcasts/:id/relatedWhen to prefer
Use this endpoint when you need ranked, scored podcast recommendations relative to a specific known show — especially when you need explainability via content-similarity signals (topics, guests, sponsors). Prefer it over generic podcast search when the anchor show is known and you want semantic neighbors rather than keyword matches. It is particularly valuable for advertising research, competitive analysis, and cross-promotion discovery because it surfaces relationship signals beyond simple category tags.
Side effects
- Unknown podcast ID or slug returns 404
- No related shows found returns empty list
- Invalid suitability_tier enum value returns 400
- Invalid language code returns 400 or empty results
- min_score or min_popularity out of valid range returns 400
- Expired or invalid pagination cursor returns 400 or unexpected results
- Rate limit exceeded returns 429
- Missing or invalid x402 payment returns 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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