speech?lang=en&text=Your+order+has+shipped+and+will+arrive+on+Tuesday.

Turns text into natural speech in English, Spanish, French, Chinese, Japanese or Korean in one or two seconds: Deepgram Aura-2 for English and Spanish, MeloTTS for the rest.

Turns text into natural speech in English, Spanish, French, Chinese, Japanese or Korean in one or two seconds: Deepgram Aura-2 for English and Spanish, MeloTTS for the rest. Returns a hosted audio URL valid for 24 hours (MP3 for English and Spanish, WAV otherwise) plus its size; add inline=true to also get the base64. Up to 2000 characters per call. You are only charged if the audio is delivered. No API key, no account.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.01 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xc210ea7d…cdb7e9ff

URL

https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/speech?lang=en&text=Your+order+has+shipped+and+will+arrive+on+Tuesday.

MCP server on this host: dev.workers.kikoribera03.flat-rate-llm/x402-tools

Seen

first 20 days ago · last 14 hr ago

37 free handshakes

Payment

Pays through

x402

Offered on?

Polygon, Arbitrum, Base USDC

Listed on?

Polygon, Arbitrum, Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.628 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.372: 0.121 uncertain ? + 0.251 short ? · 0.022 to C

How the composite of 0.628 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	0.92	0.714		0.428	−0.051	−0.121
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.628	gap to 1.000 = 0.372 · 0.251 short · 0.121 uncertain	0.628	−0.251	−0.121

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.714   liveness       
+ 0.200 × 1.000   price stability
= 0.628           → UNRATED: 31 of 30 paid calls      weights 2026.09.6 · 31 samples · seed cap_01M2F72N7PAW6T12TXGXGF19K8|2026-08-31T09:17:36.312Z|2026.09.6

Verify it yourself

npx teppi-check https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/speech?lang=en&text=Your+order+has+shipped+and+will+arrive+on+Tuesday.

curl -s https://api.teppi.xyz/v1/trust/cap_01M2F72N7PAW6T12TXGXGF19K8