HTTP-first Franc-all API for Workers
Detect language at scale with a fast, privacy-friendly API.
Francis powers Verbatims with franc-all on Cloudflare Workers. Ship language detection in milliseconds with API keys, usage tracking, and a modern console.
180+ languages
Worker-native
Usage caps ready
POST /api/v1/detect200 OK
{ "text": "Les sanglots longs des violons" }
languagefra
confidence0.81
alternativesfra • cat • spa
Key management
Generate, revoke, and rotate API keys in one place. Built for multi-project usage.
Usage controls
Daily limits, usage summaries, and pricing-ready tables for future billing integrations.
Workers performance
HTTP-first endpoints optimized for Worker-to-Worker calls and edge latency.
API quickstart
francis.verbatims.ccHeaders
x-api-key: fcs_************************
Request
POST /api/v1/detect
{ "text": "Hello from Verbatims" }