← The evidence ledger
Evidence row 3968487
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentsvc.io/api/v1/proxy/tts
- Recorded
- Previous row
- #3763015
- Body SHA-256
- 72e4c22cf2eac4f56bb0212d3ea5aa846443971cadf3cb2d7bc2ae6693bd1cee
- Leaf
- 0x8a510396b92b8ccc9c9c070c6dcbbd86d6253a544c849a7f76225887d0016ea0
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": 7,
"l30DaysUniquePayers": 1,
"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":"72e4c22cf2eac4f56bb0212d3ea5aa846443971cadf3cb2d7bc2ae6693bd1cee","id":3968487,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083500098450,"prev":3763015,"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 (195826 rows).
- 0x8a512955b35bda4ccd49f55496522bdf2abac311541054984e910b5dd1fa8503
- 0x56db2d777195e5bad3020c4be7f13cb2e530a13dab121ff9235f223630c0b826
- 0x50291943d91064cd6d0d976327bb20fef01e4b528bf51bfc1524c9ca5972a563
- 0x2ddc6b27640b36f46b7ded8b8235fa521a2efbc7a9b9f1369cf92f7341b29769
- 0x939375e45596f8d0710c5eb0011c60df77148bd5a9094253847a8d3d415276bf
- 0x26da004727c533721877ff57fb006d58f229aa26fa32378deecb06d810854877
- 0x2f79bbcd4d0b87d48c5321b514aa19687e7762bf199e17db33ea67d6e2b9094a
- 0xce3cb0e89ebd889f291a7fd48701cc50c56c1332a4863b951d0adb1eedf7a50c
- 0xc3feddc904d89dd556260aaf0646af057661640d5a8fb8eb3680276099a12b3c
- 0xf33ef41f93c7e966c3e1d6c99cd56cd1e8417a1f4066f4d431619831ac99178a
- 0x54cb09bd9f03c4545edabda168de7f8a46e29446f15b246f73b29790091152ff
- 0x6029236289c3f232d8a52c70313dc9592ee92ad910140c5200de2b733046a006
- 0xec49601319806ac4fb8864fe5b58c4d0e2904402b01d96fee8f1e2e36118c30f
- 0x12c0a392774b845f910669768178b834bb75c37650d35b673c7a7e05ebd31c5b
- 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
- 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
- 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
- 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c
- Day root
- 0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
- Chained
- 0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
- Published
- On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa