/API TERMS
API Terms/Developer Tools/Kroki

Kroki

kroki.io

Provides a unified HTTP API that creates diagrams from textual descriptions across many diagram libraries.

The Kroki API uses none authentication; has free pricing; offers a free tier (Free service available to everyone (hosted, supported by sponsors)). Verified 2026-07-12 with per-field source links.

Developer Tools Verified 2026-07-12 medium confidence
Base URL
https://kroki.io
kroki.io ↗
Auth
none
kroki.io ↗
Free tier
Free service available to everyone (hosted, supported by sponsors)
kroki.io ↗
Pricing model
free
kroki.io ↗
Pricing
Free and open source (MIT license); also available as self-managed instance
kroki.io ↗
Rate limits
not documented null
no source
OpenAPI spec
not documented null
no source
MCP server
not documented null
no source