# Sydium API

Programmatic social media management: publish, schedule, analytics, AI generation. Base: https://api.sydium.com

## Endpoints
- GET /v1/accounts - list connected accounts
- GET /v1/platforms - per-platform capabilities
- POST /v1/media/upload-url - presigned upload
- POST /v1/media/from-url - ingest media from a URL
- POST /v1/posts - publish now or schedule (per-target operation)
- GET /v1/posts/{id} - operation status
- DELETE /v1/posts/{id} - cancel scheduled targets
- GET /v1/analytics - account time-series
- POST /v1/generate - AI caption
- POST /v1/mcp - MCP server (stateless Streamable HTTP)

## Auth
Bearer API key (sk_live_/sk_test_), scoped. See /authentication.