← The evidence ledger
Evidence row 3964241
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://www.trezalabs.com/api/x402/speech
- Recorded
- Previous row
- #3760667
- Body SHA-256
- c54588256817e2df8649e660ca5dac915540f9dd90342620902208d2fb86858f
- Leaf
- 0x02c34650fd8f6f2894ccb8b6c67c0a739fce10974713b7b90a5fe1295cd5abb8
What was observed
{
"endpoints": [
[
"x402",
"https://www.trezalabs.com/api/x402/speech"
]
],
"name": "Treza",
"owner_address": "0xae393a9cd728f7397f50f6f8c88096a0f3d2b42c",
"raw": {
"accepts": [
{
"amount": "40000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xaE393a9CD728F7397F50f6f8C88096a0F3D2b42C",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "EX4MyYWHc7NKBGuytmMpxixM7ovSWYLNy5acN2mFfoGd",
"scheme": "exact"
}
],
"description": "Text to speech (AI voice generation): send text, get a natural ElevenLabs voiceover MP3 back in the same response. Use it when an agent needs narration, a voiceover for a video, or a spoken version of text. Eleven v3 (expressive, takes [whispers]-style directions) or Multilingual v2 (29 languages), a choice of ElevenLabs narrators, up to 3000 characters, $0.42 per 1,000 characters. GET this URL for the voices. No account or API key: the payment is the only credential.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"model": "eleven-v3",
"text": "Welcome back. Today we are looking at three small habits that make a big difference.",
"voice": "george"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"audio": "https://www.trezalabs.com/api/media/generated/x402_speech/1a2b3c4d.mp3?s=...&c=...",
"characters": 84,
"model": "eleven-v3",
"paidUsd": 0.04,
"runId": "2026-09-23T18:04:11.000Z#1a2b3c4d",
"status": "success",
"statusUrl": "https://www.trezalabs.com/api/x402/speech?runId=...&token=...",
"transaction": "0x...",
"voice": "george"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"async": {
"default": false,
"description": "true: answer at once, status running with a statusUrl.",
"type": "boolean"
},
"model": {
"default": "eleven-v3",
"enum": [
"eleven-v3",
"eleven-multilingual-v2"
],
"type": "string"
},
"text": {
"description": "What to say.",
"maxLength": 3000,
"type": "string"
},
"voice": {
"default": "george",
"description": "A voices[].id from GET on this URL, e.g. george, brian, alice.",
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-28T21:21:22.083Z",
"quality": {
"l30DaysTotalCalls": 163,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-28T21:21:21.851Z"
},
"resource": "https://www.trezalabs.com/api/x402/speech",
"serviceName": "Treza",
"tags": [
"text-to-speech",
"tts",
"elevenlabs",
"voice",
"voiceover"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Text to speech (AI voice generation): send text, get a natural ElevenLabs voiceover MP3 back in the same response. Use it when an agent needs narration, a voiceover for a video, or a spoken version of text. Eleven v3 (expressive, takes [whispers]-style directions) or Multilingual v2 (29 languages), a choice of ElevenLabs narrators, up to 3000 characters, $0.42 per 1,000 characters. GET this URL for the voices. No account or API key: the payment is the only credential."
}What the leaf hashes
{"body":"c54588256817e2df8649e660ca5dac915540f9dd90342620902208d2fb86858f","id":3964241,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083319137600,"prev":3760667,"subject":"x402_bazaar:https://www.trezalabs.com/api/x402/speech","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).
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- 0x2ca9edde7a778a3c12b7c2d3692404e3d98cf8d9935d21d1bc324c17f03f3e65
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- 0x025ea2b8c8c4d7fc97fdeea7a1d491b9683b038804a48d6606b1f6fc4a3b46e3
- 0x11d7bc9f7b3b80618fc93646e83ee7f596b67ec61d70666336e00f71ae56b832
- 0x4254c9a7d376e718e830fa5d9301d6a2f143b4c46054f610156cf3b9baef047a
- 0x213c8c10d739048bc1cae47442cd3ee674eae8109d9de4f3fca100940c7053ca
- 0xe4e1eef9a0669720d17da1ef421158d443f35d0c1dd431e7b027bc484f10d6ff
- 0x81588490ecb99fb0d9c9914d068c1d921c53e2c1f72b0559e6c1883b50903fe2
- 0x83a2d24200ee059ee13ec58048c51973f9bb8fa58b4f13a46998dd57349429e0
- 0x9a1259990a68ee2b8cf3c46dd6ac8b1027c0cd9da2871659007b34696c1d2b60
- 0xcd495b3a87392ed7b9f6a4e3efaf82ad7422217e121cfb70e73244b1808535a8
- 0x80de52ad007e81cbaa504c53c1020b78094abfb0907b1d97798e852ce43dedf9
- 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
- 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
- 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
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- 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c
- Day root
- 0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
- Chained
- 0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
- Published
- On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa