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POST
cURL

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
call_id
string
trace_id
string
session_id
string
stt_ttfb
string

Latency metrics (milliseconds)

stt_total_time
string
llm_ttft
string
llm_total_time
string
tts_ttfb
string
tts_total_time
string
voice_to_voice_latency
string
stt_provider
string

Provider details

llm_provider
string
llm_model
string
tts_provider
string
input_tokens
string
default:0

LLM Token usage

output_tokens
string
default:0
audio_tokens
string
default:0
cached_tokens
string
default:0
reasoning_tokens
string
default:0
tts_characters
string
default:0

TTS usage

stt_audio_seconds
string
default:0

STT usage

estimated_llm_cost
string
default:0

Cost estimates

estimated_stt_cost
string
default:0
estimated_tts_cost
string
default:0
interruption_count
string
default:0

Quality metrics

turn_switches
string
default:0
stt_errors
string
default:0

Error counts

llm_errors
string
default:0
tts_errors
string
default:0
errors
string
fallback_events
string
fallback_count
string
default:0

Response

success
boolean
required