# Just Captions

**Canonical:** https://apis.io/providers/justcaptions-com/  
**Website:** https://justcaptions.com/  
**APIs profiled:** 1

Just Captions provides a simple tool to add AI-generated captions to any video. Users can upload videos, choose from multiple caption styles, and export subtitles in various formats. The service supports over 50 languages, offers word-level timestamps, and includes features like emoji and word highlights. It offers a free tier with 30 audio minutes per month and a paid plan for higher usage, targeting creators, marketers, and developers integrating captioning into their workflows.

## Kin Score — 35.6 / 100 (thin)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 45.5 |
| Contract Governance | 18.2 |
| Operational Transparency | 14.3 |
| Developer Ergonomics | 49.4 |
| Access Clarity | 17.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 17.3 (matched via fallback).

## Agent readiness — 27.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | verified |
| Error Semantics | derived |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | no |
| MCP Tool Quality | na |

## Access

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

## APIs (14)

- **Just Captions Billing API** — The Billing API from Just Captions — 4 operation(s) for billing.
- **Just Captions Correct API** — The Correct API from Just Captions — 1 operation(s) for correct.
- **Just Captions Emoji API** — The Emoji API from Just Captions — 1 operation(s) for emoji.
- **Just Captions Estimate API** — The Estimate API from Just Captions — 1 operation(s) for estimate.
- **Just Captions Fonts API** — The Fonts API from Just Captions — 1 operation(s) for fonts.
- **Just Captions Health API** — The Health API from Just Captions — 1 operation(s) for health.
- **Just Captions Keys API** — The Keys API from Just Captions — 3 operation(s) for keys.
- **Just Captions Limits API** — The Limits API from Just Captions — 1 operation(s) for limits.
- **Just Captions Pricing API** — The Pricing API from Just Captions — 1 operation(s) for pricing.
- **Just Captions Signup API** — The Signup API from Just Captions — 1 operation(s) for signup.
- **Just Captions Styles API** — The Styles API from Just Captions — 1 operation(s) for styles.
- **Just Captions Transcribe API** — The Transcribe API from Just Captions — 1 operation(s) for transcribe.
- **Just Captions Translate API** — The Translate API from Just Captions — 1 operation(s) for translate.
- **Just Captions Usage API** — The Usage API from Just Captions — 1 operation(s) for usage.

## Agentic access (1)

- **Just Captions Agentic Access** — 20 operations · 12 acting · 2 human-in-the-loop

## Security (2)

- **Just Captions Authentication** — http · 1 scheme
- **Just Captions Domain Security** — TLSv1.3

## Tags

Video, Artificial Intelligence, Captioning, Productivity, Software-as-a-Service, Company

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