← The evidence ledger
Evidence row 1037821
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe
- Recorded
- Previous row
- #75340
- Body SHA-256
- 688a0422f462caa6b645b7ea6a7e2a6c7527ad7289467e8f39118e197936d4ee
- Leaf
- 0x4599c94b88c445c63338c2d6bfe4e6c44260f6aac666fcc7962bc4867e419ec6
What was observed
{
"endpoints": [
[
"x402",
"https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe"
]
],
"name": "flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe",
"owner_address": "0xc210ea7d5692a6401adf25bbcb7acde9cdb7e9ff",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
"scheme": "exact"
}
],
"description": "Transcribes an audio file with Whisper large v3 turbo: pass an https URL (mp3, wav, flac, m4a, ogg, up to 10 MB) or base64 audio in a POST. Returns the text, the detected language with its probability, the duration, and timed segments; add words=true for word-level timestamps. Around 100 languages. You are only charged if the transcript is delivered. No API key, no account.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://flat-rate-llm.kikoribera03.workers.dev/m/muestra-voz.wav"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"durationSeconds": 3.27,
"language": "en",
"languageProbability": 1,
"model": "@cf/openai/whisper-large-v3-turbo",
"segments": [
{
"end": 2.8,
"start": 0,
"text": "Hello from the Flat Rate Gateway, this is a short test."
}
],
"text": "Hello from the Flat Rate Gateway, this is a short test."
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"audio": {
"description": "Alternative to url: the audio as base64 (POST only).",
"type": "string"
},
"language": {
"description": "Optional ISO code to skip detection, e.g. es.",
"type": "string"
},
"url": {
"description": "https URL of the audio file, up to 10 MB.",
"type": "string"
},
"words": {
"description": "Include word-level timestamps. Default false.",
"type": "boolean"
}
},
"required": []
},
"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": "2026-10-22T10:09:43.121Z",
"quality": {
"l30DaysTotalCalls": 16,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-22T10:09:39.912Z"
},
"resource": "https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe",
"tags": [
"speech to text",
"transcription",
"whisper",
"audio transcription",
"stt"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Transcribes an audio file with Whisper large v3 turbo: pass an https URL (mp3, wav, flac, m4a, ogg, up to 10 MB) or base64 audio in a POST. Returns the text, the detected language with its probability, the duration, and timed segments; add words=true for word-level timestamps. Around 100 languages. You are only charged if the transcript is delivered. No API key, no account."
}What the leaf hashes
{"body":"688a0422f462caa6b645b7ea6a7e2a6c7527ad7289467e8f39118e197936d4ee","id":1037821,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298244947499,"prev":75340,"subject":"x402_bazaar:https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0x4598eb0d6c2545280a9cbe885cedf8e564d1635f5ac011f6d31d1043fce04758
- 0x25a5a7c1e496ddc1938006f40757ce09cf7decffd5d1604d08c5b8eccb73894c
- 0x0480de21d88ad8d7f8434e8082722580937c37397123ab612f8164a1c392d6e1
- 0xccc082d073bc295ef3d1fd3e241d4b71cfe77a29bcfb52289dfde6ce2ffe899b
- 0x4f370c4fec9dd9d149620072a43d27bac8779ccd71e7114012bdaaf9e4b35325
- 0x60a10bafdf9e566a3101f902ab3c4da31997e244f810319fb4988e41d571dbbf
- 0x4cfb340490734db622fcc564b9d88087b8c791fb6fc0657f09633a4483eff704
- 0xab216b6fe7d018b7cc1546184cf54dd102a31d4a90cf7dc6a7672a95918c74ae
- 0xe33ebfa9decaa4e5652c00e8bdc98f40e6dec506cd9b67cb3f625fb80c78faa7
- 0x0e2ef5ff10ac4ff0befc687317205c192fd8a2ca78c3335ef33ecf6905cdf397
- 0xb7ebd0c250083c1147bd5bdb79af736800374dfa4a0753835f0446bb210ff718
- 0xf2b4d8ab2e0bdab12ba5a57ab27e20b5b0e6189f2db981bbecff06ddd39d27c0
- 0xf671ac144e55381320422b5475c2bfb30442fc6b55a1424d1c0f0576f2d27c5c
- 0xba203712cc4170d9697121c2026471be02b4061fd0831c90d2971031c905f0c1
- 0x0bc4adb5c11d6f42a54004eb9a86e4a9294c3fb793d78af72f971454ecfe5b44
- 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
- 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
- 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1