← The evidence ledger
Evidence row 64316
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://ai.kagurazaka.dev/v1/speech
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 516fd0faf4700ea51dd9de7fd9f48987e95a1d0b5d7cdbdf78b20f9012a3901f
- Leaf
- 0x91c139c134205ab0b786713f70d80a7cce577fb21740f4757341c952cb4761f5
What was observed
{
"endpoints": [
[
"x402",
"https://ai.kagurazaka.dev/v1/speech"
]
],
"name": "x402 AI Tools",
"owner_address": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
"scheme": "exact"
}
],
"description": "Turns text into speech with Amazon Polly and returns a signed URL of the audio, valid for an hour. Up to 3000 characters with standard voices or 1000 with neural ones. Voices include Joanna, Matthew (English), Mizuki, Takumi (Japanese), Lucia (Spanish), Lea (French), Vicki (German) and about 60 more.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"text": "Your order has shipped and will arrive tomorrow.",
"voice": "Joanna"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"bytes": 31245,
"characters": 48,
"engine": "standard",
"expires_in": 3600,
"format": "mp3",
"url": "https://d1gv9j19pa6o9y.cloudfront.net/results/speech/3f1c2b9e.mp3?Expires=...",
"voice": "Joanna"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"engine": {
"description": "default standard; not every voice has both",
"enum": [
"standard",
"neural"
],
"type": "string"
},
"format": {
"description": "default mp3",
"enum": [
"mp3",
"ogg"
],
"type": "string"
},
"text": {
"description": "the text, up to 3000 characters (standard) or 1000 (neural)",
"type": "string"
},
"voice": {
"description": "Polly voice id (default Joanna)",
"type": "string"
}
},
"required": [
"text"
]
},
"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": {
"properties": {
"bytes": {},
"characters": {},
"engine": {},
"expires_in": {},
"format": {},
"url": {},
"voice": {}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T07:40:02.623Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T07:40:02.439Z"
},
"resource": "https://ai.kagurazaka.dev/v1/speech",
"serviceName": "x402 AI Tools",
"tags": [
"text to speech",
"tts",
"voice",
"audio"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Turns text into speech with Amazon Polly and returns a signed URL of the audio, valid for an hour. Up to 3000 characters with standard voices or 1000 with neural ones. Voices include Joanna, Matthew (English), Mizuki, Takumi (Japanese), Lucia (Spanish), Lea (French), Vicki (German) and about 60 more."
}What the leaf hashes
{"body":"516fd0faf4700ea51dd9de7fd9f48987e95a1d0b5d7cdbdf78b20f9012a3901f","id":64316,"kind":"listing","method":"baseline/1","observed_us":1793025456459859,"prev":null,"subject":"x402_bazaar:https://ai.kagurazaka.dev/v1/speech","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).
- 0x91c13ac35fd3d0da1d9c422911f39b283ad9c2f24d38aa29b060fb4360d365b9
- 0xd101fbabae0444a3c700e5222c08eb61afb7dfd38366a02cbf5e4bc5b8a0a778
- 0xd3f000f08700a36d2468bbb4950d384f0e8e9f72e1150ce8ba256e0f11f27b8e
- 0x0906c34cbe11f6dbbe209c73aeb256603a5f98c5064b08f71c8154b3605a403f
- 0x9bc4fd0ccad581b793d0ac07e2fa45a2c291664f6e61c8be4386f35ecfb86321
- 0x563545a4c9f2cd57b53172bb6986786e570e0a528809a4d68d402efa0c1fcc3a
- 0x1446e3326689d31cc6f5f8355eb1488cb45e3332752aba85ffc6e49043814636
- 0x49c043b5bb92cedf9f2fb5e40cee7d89643042adfcd7641b4f4207fecbf2e7fd
- 0x5410fead19c2a3bcc8f28608fd9fca026fb27a547465281a2d82863cf0bd4f32
- 0x0d8c9849ad61f3608ed33ea96162e91265f1a635a7e3d125b440758921da7146
- 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
- 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
- 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae