TTS

TTS capability probe

Changed on Jul 17, 2026

Synchronously synthesize a fixed neutral text and report first-byte latency + RTF. The client uses these to classify the server into GREEN/YELLOW/RED/NA tiers and decide whether to play live, pre-generate, or fall back to on-device TTS.

post/tts/probe

Request

Base URL
https://localhost:9527
Auth
API key in header Authorization
TypeScript
https://skmtc.dev/lxpio/apis/omnigram-api/docs/tts/probe/post.ts
A function with typed inputs. Its response is checked against the schema.

Request body

languagestring

speednumber

voicestring required

Response

audio_duration_msinteger

first_byte_msinteger

providerstring

rtfnumber

server_buildstring

total_msinteger

voicestring

Changes

Jul 17, 202658911ffb3093 Revision changes
- info
  endpoint added
Mar 21, 2026ffed97aaec4f Revision changes
- breaking
  api path removed without deprecation

Operation history

TTS capability probe

Request

Request body

Response 200OK

Changes

Response