Songtradr

Songtradr is a Santa Monica, California B2B music company that builds licensing, rights and music-data infrastructure for brands, agencies, digital platforms, artists and rightsholders. Founded in 2014, it operates a global sync-licensing marketplace alongside acquired businesses including Bandcamp, 7digital, MassiveMusic, Big Sync Music and the AI music-metadata company Musicube. Its public developer surface is the Songtradr API — a JWT-authenticated REST API, documented with a live OpenAPI 3.1 description, that returns deep music metadata (musical features, genre predictions, tags, taggrams, tag strengths, contributors, similarity vectors) and drives auto-tagging: rightsholders upload audio through a presigned S3 link and Songtradr's models classify it against a taxonomy of 350+ descriptive tags across 30+ categories, then expose semantic search over the results. First-party API clients are published for Python, JavaScript/Node and Ruby.

Songtradr publishes 1 API on the APIs.io network. Tagged areas include music, music-licensing, sync-licensing, music-metadata, and audio-tagging.

Songtradr’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 20 more developer resources.

🌐 Visit website 📡 Source on GitHub
48.7/100 developing ▬ flat Agent 45/100 agent ready Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
1 APIs
musicmusic-licensingsync-licensingmusic-metadataaudio-taggingsemantic-searchmachine-learningmediaentertainmentrights-managementaudio

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 48.7/100 · developing
Contract Quality 15.9 / 25
Developer Ergonomics 10.3 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 3.4 / 13
Governance 1.4 / 12
Discoverability 8.7 / 10
Agent readiness — 45/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/songtradr: 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 1

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

Songtradr API

JWT-authenticated REST API for deep music metadata and auto-tagging. Log in via POST /api/v1/user/login to obtain a bearer JWT, then manage your account and musicube cloud data,...

Rate Limits 1

Documented rate limits and quota policies.

Songtradr Rate Limits

1 limits

RATE LIMITS

Security Posture 2

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

Songtradr Authentication

http · 1 scheme

SECURITY

Songtradr Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

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

Songtradr Agentic Access

19 operations · 8 acting · 2 human-in-the-loop

19 operations · 8 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

GettingStarted
GettingStarted
 SignUp
SignUp
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 DataModel
DataModel
 Conformance
Conformance
 Lifecycle
Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 3

Status, limits, changes, and where to get help

Support
Support
 HelpCenter
HelpCenter
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: songtradr
name: Songtradr
description: 'Songtradr is a Santa Monica, California B2B music company that builds licensing, rights and music-data infrastructure
  for brands, agencies, digital platforms, artists and rightsholders. Founded in 2014, it operates a global sync-licensing
  marketplace alongside acquired businesses including Bandcamp, 7digital, MassiveMusic, Big Sync Music and the AI music-metadata
  company Musicube. Its public developer surface is the Songtradr API — a JWT-authenticated REST API, documented with a live
  OpenAPI 3.1 description, that returns deep music metadata (musical features, genre predictions, tags, taggrams, tag strengths,
  contributors, similarity vectors) and drives auto-tagging: rightsholders upload audio through a presigned S3 link and Songtradr''s
  models classify it against a taxonomy of 350+ descriptive tags across 30+ categories, then expose semantic search over the
  results. First-party API clients are published for Python, JavaScript/Node and Ruby.'
url: https://raw.githubusercontent.com/api-evangelist/songtradr/refs/heads/main/apis.yml
image: https://avatars.githubusercontent.com/u/61609417?v=4
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.21'
created: '2026-08-02'
modified: '2026-08-02'
tags:
- music
- music-licensing
- sync-licensing
- music-metadata
- audio-tagging
- semantic-search
- machine-learning
- media
- entertainment
- rights-management
- audio
apis:
- name: Songtradr API
  description: JWT-authenticated REST API for deep music metadata and auto-tagging. Log in via POST /api/v1/user/login to
    obtain a bearer JWT, then manage your account and musicube cloud data, initiate presigned-S3 audio uploads for auto-tagging,
    poll file processing status, and retrieve recordings with musical features, genre predictions, tags, taggrams and tag
    strengths. Also exposes similarity vectors by ISRC/track id and the allowed-values reference for musical features. Rate
    limited to 120 requests per minute.
  humanURL: https://api.songtradr.com/swagger-ui.html
  baseURL: https://api.songtradr.com
  tags:
  - music-metadata
  - audio-tagging
  - semantic-search
  - music
  - machine-learning
  properties:
  - type: OpenAPI
    url: openapi/songtradr-api-openapi.yml
  - type: Documentation
    url: https://api.songtradr.com/swagger-ui.html
  - type: APIReference
    url: https://api.songtradr.com/v3/api-docs
  - type: Authentication
    url: authentication/songtradr-authentication.yml
  - type: Conventions
    url: conventions/songtradr-conventions.yml
  - type: ErrorCatalog
    url: errors/songtradr-problem-types.yml
  - type: DataModel
    url: data-model/songtradr-data-model.yml
  - type: Overlay
    url: overlays/songtradr-api-overlay.yaml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
- FN: Songtradr Inc.
  email: info@songtradr.com
  url: https://www.songtradr.com/
common:
- type: AgenticAccess
  url: agentic-access/songtradr-agentic-access.yml
- type: DomainSecurity
  url: security/songtradr-domain-security.yml
- type: Website
  url: https://www.songtradr.com/
- type: Documentation
  url: https://api.songtradr.com/swagger-ui.html
- type: APIReference
  url: https://api.songtradr.com/v3/api-docs
- type: GettingStarted
  url: https://api.songtradr.com/swagger-ui.html
- type: Support
  url: https://support.songtradr.com/hc/en-us
- type: HelpCenter
  url: https://helpdesk.songtradr.com/
- type: Blog
  url: https://www.songtradr.com/blog
- type: GitHubOrganization
  url: https://github.com/songtradr
- type: Pricing
  url: https://www.songtradr.com/pro
- type: SignUp
  url: https://www.songtradr.com/signup/personal
- type: Login
  url: https://www.songtradr.com/signin
- type: TermsOfService
  url: https://www.songtradr.com/legals/termsofuse
- type: PrivacyPolicy
  url: https://www.songtradr.com/legals/privacypolicy
- type: Packages
  url: packages/songtradr-packages.yml
- type: SDKs
  url: packages/songtradr-packages.yml
- type: Authentication
  url: authentication/songtradr-authentication.yml
- type: Conventions
  url: conventions/songtradr-conventions.yml
- type: ErrorCatalog
  url: errors/songtradr-problem-types.yml
- type: DataModel
  url: data-model/songtradr-data-model.yml
- type: Conformance
  url: conformance/songtradr-conformance.yml
- type: Lifecycle
  url: lifecycle/songtradr-lifecycle.yml
- type: LLMsTxt
  url: llms/songtradr-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Overlay
  url: overlays/songtradr-api-overlay.yaml
- type: RateLimits
  url: rate-limits/songtradr-rate-limits.yml
x-enrichment:
  date: '2026-08-02'
  status: enriched
  artifacts_added: 20
  pass: local-v1