← The evidence ledger
Evidence row 18772
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentsvc.io/api/v1/proxy/tts
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 816864f3bcf04213db9a5b0a7c65a9a077a31a65f6fe898b0a07c09d97291cd2
- Leaf
- 0xf8e258ef5694990eba563a0650e7b338614d72a19d3036810850bd3505ad85e2
What was observed
{
"endpoints": [
[
"x402",
"https://agentsvc.io/api/v1/proxy/tts"
]
],
"name": "Text to Speech",
"owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
"raw": {
"accepts": [
{
"amount": "40000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
}
],
"description": "Convert text to natural speech audio (MP3, WAV or OGG) with neural Piper voices: en-female, en-male (US English) and de-male (German); all voices public domain or CC0, so the audio can be used commercially. Params: text (required, max 2000 characters), voice (default en-female, or picked from language), language (en or de), speed (0.5 to 2, default 1), format (mp3 default, wav, ogg). Returns audio_base64 and duration.",
"extensions": {
"bazaar": {
"category": "text",
"info": {
"input": {
"body": {
"text": "Hello from agentsvc. Your report is ready.",
"voice": "en-female"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"audio_base64": "SUQzBAAAAAAAI1RTU0UAAAAPAAADTGF2…",
"characters": 42,
"duration_seconds": 2.93,
"format": "mp3",
"gender": "female",
"language": "en-US",
"mime_type": "audio/mpeg",
"size_bytes": 23658,
"voice": "en-female",
"voice_license": "public domain"
},
"success": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"format": {
"default": "mp3",
"enum": [
"mp3",
"wav",
"ogg"
],
"type": "string"
},
"language": {
"enum": [
"en",
"de"
],
"type": "string"
},
"speed": {
"default": 1,
"maximum": 2,
"minimum": 0.5,
"type": "number"
},
"text": {
"type": "string"
},
"voice": {
"enum": [
"en-female",
"en-male",
"de-male"
],
"type": "string"
}
},
"required": [
"text"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"audio_base64": {
"type": "string"
},
"characters": {
"type": "integer"
},
"duration_seconds": {
"type": "number"
},
"format": {
"type": "string"
},
"gender": {
"type": "string"
},
"language": {
"type": "string"
},
"mime_type": {
"type": "string"
},
"size_bytes": {
"type": "integer"
},
"voice": {
"type": "string"
},
"voice_license": {
"type": "string"
}
},
"required": [
"format",
"duration_seconds",
"audio_base64"
],
"type": "object"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"text-to-speech",
"speech-synthesis",
"tts",
"speech",
"audio",
"voice",
"mp3"
]
},
"builder-code": {
"info": {
"a": "bc_q6wi3opd"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
"lastUpdated": "2026-10-26T04:08:50.733Z",
"quality": {
"l30DaysTotalCalls": 15,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-26T04:08:50.529Z"
},
"resource": "https://agentsvc.io/api/v1/proxy/tts",
"serviceName": "Text to Speech",
"tags": [
"text-to-speech",
"speech-synthesis",
"tts",
"speech",
"audio"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Convert text to natural speech audio (MP3, WAV or OGG) with neural Piper voices: en-female, en-male (US English) and de-male (German); all voices public domain or CC0, so the audio can be used commercially. Params: text (required, max 2000 characters), voice (default en-female, or picked from language), language (en or de), speed (0.5 to 2, default 1), format (mp3 default, wav, ogg). Returns audio_base64 and duration."
}What the leaf hashes
{"body":"816864f3bcf04213db9a5b0a7c65a9a077a31a65f6fe898b0a07c09d97291cd2","id":18772,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025330640940,"prev":null,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/tts","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xf8e248d8d79e0624dfd74b2688493596f5bfb882648d37cb01bc0b76fe38f658
- 0x343436a37be2b423e6f31f160db24eb91f6203da6cad6501014c91e36185f03c
- 0x6a47edb2f4afcd826d09df875e3b8ba575983a1694927a31442c58dac169ec8f
- 0x5095cf43c2ee684a68de0c614a6fdc7cb0d109cdb09df362766cd9f421c527d0
- 0x8be01fced90dcc7119b1f71ba07ac28c83ee78d3a48b897e2dc350c0a1adb47c
- 0xa3af2676613ccdc0c5914f9d658dbcd5c481154e9d7a55390f201935c5f899cd
- 0xe486cd7feeb328dad3b69c197ece5023b520e0b6e17f47a74de1167c817e675a
- 0xd00be27ced3b03958fffa083363a6fd86338f2adcea0bbbb95f0e9f0f44a1ee6
- 0x36ad1ccc6f0f85f7178fd2291af3458a7549013406068efc78bd68cdf34501cf
- 0x921ec909afaac455249717b3fffa2561a28344c6c4dc7a3f57f7c3f136978f87
- 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
- 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
- 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae