Transistor

Transistor is a podcast hosting and analytics platform that lets teams host unlimited shows, distribute episodes to Apple Podcasts, Spotify, and YouTube, run private (subscriber-only) podcasts, and measure downloads with advanced analytics. Transistor exposes a documented public REST API at https://api.transistor.fm/v1 that follows the JSON:API specification, is authenticated with an x-api-key header, and covers shows, episodes, analytics, private podcast subscribers, and event webhooks.

Transistor publishes 6 APIs on the APIs.io network, including Account API, Analytics API, Episodes API, and 3 more. Tagged areas include Podcasting, Podcast Hosting, Analytics, Media, and Audio.

Transistor’s developer surface includes authentication, documentation, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.2/100 developing ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessPaidSelf serve
6 APIs
PodcastingPodcast HostingAnalyticsMediaAudioJSON:API

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 40.2/100 · developing
Contract Quality 14.9 / 25
Developer Ergonomics 4.3 / 20
Access Clarity 9.5 / 20
Operational Transparency 4.1 / 13
Contract Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/transistor: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

Transistor Account API

The authenticated user account.

Transistor Analytics API

Download analytics for shows and episodes.

Transistor Episodes API

Podcast episodes, drafts, uploads, and publishing.

Transistor Shows API

Podcasts (shows) in your Transistor account.

Transistor Subscribers API

Private (subscriber-only) podcast subscribers.

Transistor Webhooks API

Event webhook subscriptions.

Open Collections 8

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Transistor Account API

OPEN COLLECTION

Transistor Account Analytics API

OPEN COLLECTION

Transistor Account Episodes API

OPEN COLLECTION

Transistor Account Shows API

OPEN COLLECTION

Transistor Account Subscribers API

OPEN COLLECTION

Transistor Account Webhooks API

OPEN COLLECTION

Transistor API

OPEN COLLECTION

Scroll for all 8

Pricing Plans 1

Published pricing tiers and plan structures.

Transistor Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Transistor Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Transistor Finops

FINOPS

Security Posture 4

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Transistor Authentication

apiKey · 1 scheme

SECURITY

Transistor Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Transistor Vulnerability Disclosure

disclosure policy published

SECURITY

Transistor Trust Center

SOC 2, ISO 27001

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Transistor Agentic Access

23 operations · 11 acting

23 operations · 11 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 4

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: transistor
url: https://raw.githubusercontent.com/api-evangelist/transistor/refs/heads/main/apis.yml
name: Transistor
kind: company
description: Transistor is a podcast hosting and analytics platform that lets teams host unlimited shows, distribute episodes
  to Apple Podcasts, Spotify, and YouTube, run private (subscriber-only) podcasts, and measure downloads with advanced analytics.
  Transistor exposes a documented public REST API at https://api.transistor.fm/v1 that follows the JSON:API specification,
  is authenticated with an x-api-key header, and covers shows, episodes, analytics, private podcast subscribers, and event
  webhooks.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/transistor.png
tags:
- Podcasting
- Podcast Hosting
- Analytics
- Media
- Audio
- JSON:API
created: '2026-07-05'
modified: '2026-07-05'
specificationVersion: '0.23'
apis:
- aid: transistor:transistor-account-api
  name: Transistor Account API
  description: The authenticated user account.
  humanURL: https://developers.transistor.fm/#Show
  baseURL: https://api.transistor.fm/v1
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/transistor-account-api-openapi.yml
  - type: Documentation
    url: https://developers.transistor.fm/
  - type: APIReference
    url: https://developers.transistor.fm/#Show
  - type: PostmanCollection
    url: collections/transistor.postman_collection.json
  - type: OpenCollection
    url: collections/transistor.opencollection.json
  - type: APIReference
    url: https://developers.transistor.fm/#Episode
  - type: APIReference
    url: https://developers.transistor.fm/#Analytics
  - type: APIReference
    url: https://developers.transistor.fm/#Subscriber
  - type: APIReference
    url: https://developers.transistor.fm/#Webhook
- aid: transistor:transistor-analytics-api
  name: Transistor Analytics API
  description: Download analytics for shows and episodes.
  humanURL: https://developers.transistor.fm/#Show
  baseURL: https://api.transistor.fm/v1
  tags:
  - Analytics
  properties:
  - type: OpenAPI
    url: openapi/transistor-analytics-api-openapi.yml
  - type: Documentation
    url: https://developers.transistor.fm/
  - type: APIReference
    url: https://developers.transistor.fm/#Show
  - type: PostmanCollection
    url: collections/transistor.postman_collection.json
  - type: OpenCollection
    url: collections/transistor.opencollection.json
  - type: APIReference
    url: https://developers.transistor.fm/#Episode
  - type: APIReference
    url: https://developers.transistor.fm/#Analytics
  - type: APIReference
    url: https://developers.transistor.fm/#Subscriber
  - type: APIReference
    url: https://developers.transistor.fm/#Webhook
- aid: transistor:transistor-episodes-api
  name: Transistor Episodes API
  description: Podcast episodes, drafts, uploads, and publishing.
  humanURL: https://developers.transistor.fm/#Show
  baseURL: https://api.transistor.fm/v1
  tags:
  - Episodes
  properties:
  - type: OpenAPI
    url: openapi/transistor-episodes-api-openapi.yml
  - type: Documentation
    url: https://developers.transistor.fm/
  - type: APIReference
    url: https://developers.transistor.fm/#Show
  - type: PostmanCollection
    url: collections/transistor.postman_collection.json
  - type: OpenCollection
    url: collections/transistor.opencollection.json
  - type: APIReference
    url: https://developers.transistor.fm/#Episode
  - type: APIReference
    url: https://developers.transistor.fm/#Analytics
  - type: APIReference
    url: https://developers.transistor.fm/#Subscriber
  - type: APIReference
    url: https://developers.transistor.fm/#Webhook
- aid: transistor:transistor-shows-api
  name: Transistor Shows API
  description: Podcasts (shows) in your Transistor account.
  humanURL: https://developers.transistor.fm/#Show
  baseURL: https://api.transistor.fm/v1
  tags:
  - Shows
  properties:
  - type: OpenAPI
    url: openapi/transistor-shows-api-openapi.yml
  - type: Documentation
    url: https://developers.transistor.fm/
  - type: APIReference
    url: https://developers.transistor.fm/#Show
  - type: PostmanCollection
    url: collections/transistor.postman_collection.json
  - type: OpenCollection
    url: collections/transistor.opencollection.json
  - type: APIReference
    url: https://developers.transistor.fm/#Episode
  - type: APIReference
    url: https://developers.transistor.fm/#Analytics
  - type: APIReference
    url: https://developers.transistor.fm/#Subscriber
  - type: APIReference
    url: https://developers.transistor.fm/#Webhook
- aid: transistor:transistor-subscribers-api
  name: Transistor Subscribers API
  description: Private (subscriber-only) podcast subscribers.
  humanURL: https://developers.transistor.fm/#Show
  baseURL: https://api.transistor.fm/v1
  tags:
  - Subscribers
  properties:
  - type: OpenAPI
    url: openapi/transistor-subscribers-api-openapi.yml
  - type: Documentation
    url: https://developers.transistor.fm/
  - type: APIReference
    url: https://developers.transistor.fm/#Show
  - type: PostmanCollection
    url: collections/transistor.postman_collection.json
  - type: OpenCollection
    url: collections/transistor.opencollection.json
  - type: APIReference
    url: https://developers.transistor.fm/#Episode
  - type: APIReference
    url: https://developers.transistor.fm/#Analytics
  - type: APIReference
    url: https://developers.transistor.fm/#Subscriber
  - type: APIReference
    url: https://developers.transistor.fm/#Webhook
- aid: transistor:transistor-webhooks-api
  name: Transistor Webhooks API
  description: Event webhook subscriptions.
  humanURL: https://developers.transistor.fm/#Show
  baseURL: https://api.transistor.fm/v1
  tags:
  - Webhook
  tags_raw:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/transistor-webhooks-api-openapi.yml
  - type: Documentation
    url: https://developers.transistor.fm/
  - type: APIReference
    url: https://developers.transistor.fm/#Show
  - type: PostmanCollection
    url: collections/transistor.postman_collection.json
  - type: OpenCollection
    url: collections/transistor.opencollection.json
  - type: APIReference
    url: https://developers.transistor.fm/#Episode
  - type: APIReference
    url: https://developers.transistor.fm/#Analytics
  - type: APIReference
    url: https://developers.transistor.fm/#Subscriber
  - type: APIReference
    url: https://developers.transistor.fm/#Webhook
common:
- type: AgenticAccess
  url: agentic-access/transistor-agentic-access.yml
- type: TrustCenter
  url: security/transistor-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/transistor-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/transistor-domain-security.yml
- type: Authentication
  url: authentication/transistor-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/transistorfm
- type: Website
  url: https://transistor.fm
- type: Documentation
  url: https://developers.transistor.fm/
- type: Plans
  url: plans/transistor-plans-pricing.yml
- type: RateLimits
  url: rate-limits/transistor-rate-limits.yml
- type: FinOps
  url: finops/transistor-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this
  • find_providersBrowse and filter every provider in the catalog.
  • get_provider_artifactsEvery artifact this provider publishes, grouped by type.
  • get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
  • get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
  • get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
  • get_provider_ratingPRO — composite, band, trend and facet scores.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This provider 
curl "https://apis.io/api/v1/providers/transistor"
All providers 
curl "https://apis.io/api/v1/providers?limit=25"
Every operation they expose 
curl "https://apis.io/api/v1/providers/transistor/operations?limit=25"
How their score was established 
curl "https://apis.io/api/v1/providers/transistor/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.