Diffusion

Diffusion Software is a small independent software vendor that develops audio-encoding and RDS (Radio Data System) tooling for FM radio broadcasters. Its flagship product, Airomate, is a software-based RDS/RBDS encoder that generates a high-quality RDS signal using a 192 kHz-capable soundcard, letting stations broadcast professional-looking RDS information (station name, RadioText, program service data) at low cost without dedicated hardware. The company also ships complementary broadcast utilities: StereoCoder (an FM stereo/MPX encoder), Little SineGen (a sine-wave generator that runs at any sample rate the soundcard supports), and Chronos (a free scheduler that sequences Programme Service name and RadioText messages for Airomate). The products are Windows desktop applications distributed as low-cost licensed downloads. Diffusion Software is a seed-stage Canaan Partners portfolio company and does not publish a public API, SDK, or developer portal; this profile is maintained as a network identity record.

Diffusion is profiled on the APIs.io network. Tagged areas include Company, Radio Data System, RDS Encoder, RBDS, and FM Radio.

Diffusion’s developer surface includes support, pricing, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

8.1/100 minimal ▬ flat Agent 0/100 human only saas Full breakdown ↓
scored 2026-08-30 · rubric v0.17.2

0 APIs

CompanyRadio Data SystemRDS EncoderRBDSFM RadioRadio BroadcastBroadcast SoftwareAudio EncodingRadioTextWindows Software

Kin Score

Kin Score How this is scored →
scored 2026-08-30 · rubric v0.17.2

Composite quality — 8.1/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 1.0 / 20

Access Clarity 2.1 / 20

Operational Transparency 0.0 / 13

Contract Governance 0.0 / 12

Discoverability 5.0 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 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/diffusion: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

Contact

Contact

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Product

Product

Downloads

Downloads

Source (apis.yml)

aid: diffusion
name: Diffusion
description: 'Diffusion Software is a small independent software vendor that develops audio-encoding and RDS (Radio Data System)
  tooling for FM radio broadcasters. Its flagship product, Airomate, is a software-based RDS/RBDS encoder that generates a
  high-quality RDS signal using a 192 kHz-capable soundcard, letting stations broadcast professional-looking RDS information
  (station name, RadioText, program service data) at low cost without dedicated hardware. The company also ships complementary
  broadcast utilities: StereoCoder (an FM stereo/MPX encoder), Little SineGen (a sine-wave generator that runs at any sample
  rate the soundcard supports), and Chronos (a free scheduler that sequences Programme Service name and RadioText messages
  for Airomate). The products are Windows desktop applications distributed as low-cost licensed downloads. Diffusion Software
  is a seed-stage Canaan Partners portfolio company and does not publish a public API, SDK, or developer portal; this profile
  is maintained as a network identity record.'
type: Index
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/diffusion.png
url: https://raw.githubusercontent.com/api-evangelist/diffusion/refs/heads/main/apis.yml
x-api-posture: no-product-api
x-api-posture-basis: observed
x-api-posture-note: Diffusion Software is a seed-stage Canaan Partners portfolio company and does not publish a public API,
  SDK, or developer portal; this profile is maintained as a network identity record.
x-type: company
x-source: vc-portfolio
x-backed-by:
- canaan-partners
x-tier: profiled
x-tier-reason: non-api-provider
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Radio Data System
- RDS Encoder
- RBDS
- FM Radio
- Radio Broadcast
- Broadcast Software
- Audio Encoding
- RadioText
- Windows Software
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.diffusionsoftware.com
- type: Product
  url: https://www.diffusionsoftware.com/products.php
- type: Downloads
  url: https://www.diffusionsoftware.com/downloads.php
- type: Support
  url: https://www.diffusionsoftware.com/support.php
- type: Pricing
  url: https://www.diffusionsoftware.com/purchase.php
- type: Contact
  url: https://www.diffusionsoftware.com/contactus.php
- type: DomainSecurity
  url: security/diffusion-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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