← The evidence ledger
Evidence row 66881
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.language123.net/v1/tts
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a059cfb791065d6cbba25466f93d1b4e6d741f58bb5420c6cd92f5e79cea9fe7
- Leaf
- 0x51b9821ff1ea6fed7d0fa9ddfecf318c2cc4acd2807fe5a72ead657fadcf1edb
What was observed
{
"endpoints": [
[
"x402",
"https://api.language123.net/v1/tts"
]
],
"name": "Automaton Media APIs",
"owner_address": "0x0360f2276f55a7430667134577d396cd76ffddfe",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 600,
"network": "eip155:8453",
"payTo": "0x0360F2276f55A7430667134577D396CD76ffDDfe",
"scheme": "exact"
}
],
"description": "Text to speech (TTS) API: natural English speech with 28 voices (American and British, female and male; Kokoro-82M, open-licensed). Returns MP3 or WAV. Default voice af_heart; list voices at GET /v1/voices. Runs at about real time: 1,000 characters take about a minute. Priced per character.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"format": "mp3",
"text": "Hello! Your order has shipped.",
"voice_id": "af_heart"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": "<binary audio: MP3 (audio/mpeg) or WAV (audio/wav), 24 kHz mono>",
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"format": {
"enum": [
"mp3",
"wav"
],
"type": "string"
},
"speed": {
"maximum": 2,
"minimum": 0.5,
"type": "number"
},
"text": {
"description": "Text to speak (price is per 1,000 characters)",
"type": "string"
},
"voice_id": {
"description": "Voice from GET /v1/voices (default af_heart when available)",
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"contentEncoding": "binary",
"contentMediaType": "audio/mpeg",
"type": "string"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-23T23:08:20.882Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-23T23:08:19.786Z"
},
"resource": "https://api.language123.net/v1/tts",
"serviceName": "Automaton Media APIs",
"tags": [
"text-to-speech",
"tts",
"voice",
"speech synthesis",
"english"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Text to speech (TTS) API: natural English speech with 28 voices (American and British, female and male; Kokoro-82M, open-licensed). Returns MP3 or WAV. Default voice af_heart; list voices at GET /v1/voices. Runs at about real time: 1,000 characters take about a minute. Priced per character."
}What the leaf hashes
{"body":"a059cfb791065d6cbba25466f93d1b4e6d741f58bb5420c6cd92f5e79cea9fe7","id":66881,"kind":"listing","method":"baseline/1","observed_us":1793025461575557,"prev":null,"subject":"x402_bazaar:https://api.language123.net/v1/tts","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.