# Smule

**Canonical:** https://apis.io/providers/smule/  
**Website:** https://www.smule.com/  
**APIs profiled:** 0

Smule is an American consumer music technology company whose flagship social singing and karaoke app lets people perform solos, duets, and group songs and collaborate with other singers around the world in real time. Launched on iOS in 2012 and on Android in 2013 under the name "Sing! Karaoke," the app grew to tens of millions of monthly active users. Smule Inc. is headquartered in San Francisco and is backed by Bessemer Venture Partners and Shasta Ventures. Smule publishes no official public developer API; this profile tracks the company for the API Evangelist network.

## Kin Score — 5.5 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 5.5).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Smule Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Consumer, Music, Karaoke, Singing, Mobile, Social, Entertainment

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/smule/). Scores are computed from the provider's own public artifacts under a published rubric.