Language Intelligence as a Service

Capsiynau API

Build intelligent language workflows. Embed transcription, metadata extraction, refinement, and compliance scanning into your applications, workflows, and AI agents.

API Endpoints

Transcription API

POST /v1/transcribe

Convert audio/video to high-accuracy captions with speaker identification and language detection

  • Word-level timestamps
  • Multi-language support
  • Speaker identification
  • Async processing

Moments API

POST /v1/moments
Studio+ plan

Generate up to 5 scored Golden Moments per project: timecodes, categories, bilingual reasons, and pre-cut SRT for each clip

  • AI clip scoring
  • Bilingual reasons
  • Pre-cut SRT per moment
  • Category tagging

Metadata API

POST /v1/metadata
Studio+ plan

Generate SEO metadata, summaries, chapters, keywords, and JSON-LD structured data automatically

  • Auto-summaries
  • Chapter detection
  • Named entities
  • JSON-LD output
  • Sentiment analysis

Refine API

POST /v1/refine

Apply script alignment, glossary corrections, formatting rules, and AI-powered polishing

  • Script alignment
  • Glossary enforcement
  • Punctuation fixes
  • Style application
  • Broadcasting ready

Compliance API

POST /v1/compliance-scan

Scan content for sensitive topics, political references, brand mentions, and regulatory compliance

  • Sensitive topic flagging
  • Brand mention detection
  • Political references
  • Risk scoring
  • Content warnings

Core Capabilities

Async Jobs

Submit jobs and poll for results with webhook notifications

Rate Limiting

Fair-use with configurable rate limits per API key

Webhooks

Real-time notifications when jobs complete

API Keys

Scoped keys with granular permission control

Authentication & Security

Bearer Token Auth

All endpoints require Bearer token authentication with scoped API keys.

Authorization: Bearer cap_xxxxx

Rate Limiting

Fair-use rate limits with per-key configuration. Limits returned in headers.

  • • 100 requests/minute (default)
  • • Video processing quotas
  • • X-RateLimit-* headers

HTTP Status Codes

200-202

Success (sync or async job queued)

400-401

Client error (validation or auth failure)

429-500

Rate limit or server error

Use Cases

🤖 AI Agents

Power AI agents with media understanding for automated workflows.

⚙️ Integrations

Embed into existing tools, platforms, and content management systems.

📦 Microservices

Build modular language intelligence services for internal tools.

Ready to Build?

Start integrating language intelligence into your applications today.