# ELSA

**Canonical:** https://apis.io/providers/elsa/  
**Website:** https://www.elsaspeak.com  
**APIs profiled:** 2

ELSA (English Language Speech Assistant) builds AI speech-recognition and pronunciation-assessment technology for non-native English speakers, powering the ELSA Speak consumer app. The ELSA API is a partner/B2B speech-assessment service that scores recorded or streamed English audio across pronunciation, fluency, intonation, grammar, and vocabulary, returning sentence, word, and phoneme-level feedback.

## Kin Score — 37.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 37.1).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 54.5 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## Agent readiness — 29.1 (agent-aware)

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

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (2)

- **ELSA Scripted API** — The Scripted API from ELSA — 1 operation(s) for scripted.
- **ELSA Unscripted API** — The Unscripted API from ELSA — 1 operation(s) for unscripted.

## Agentic access (1)

- **Elsa Agentic Access** — 2 operations · 2 acting

## Security (3)

- **Elsa Authentication** — apiKey · 1 scheme
- **Elsa Domain Security** — TLSv1.3 · HSTS · DMARC
- **Elsa Vulnerability Disclosure** — disclosure policy published

## Plans (1)

- **Elsa Plans Pricing**

## Tags

Speech Assessment, Pronunciation, Speech Recognition, Language Learning, Artificial Intelligence

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