← The evidence ledger
Evidence row 45794
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://ask.singitai.app/v1/audio/speech
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 704fefb574f63d0d820653ac424d1fb03b4191264f14a20e72ba68656c88feee
- Leaf
- 0x271aa228095ad088e02b02c50fde5d1cb1288c5b19ac30a060c4f89272486f0a
What was observed
{
"endpoints": [
[
"x402",
"https://ask.singitai.app/v1/audio/speech"
]
],
"name": "SingIt Ask",
"owner_address": "0xc23d1dc0f5fce1abffb051e06cb93f0329968b4e",
"raw": {
"accepts": [
{
"amount": "1082",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e",
"scheme": "exact"
},
{
"amount": "2082",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu",
"scheme": "exact"
}
],
"description": "SingIt Speech: Text read aloud by 11 voice models (Kokoro, ElevenLabs, Gemini, xAI, MiniMax and more; list at GET /v1/audio/models), no API key needed. Call it when an agent needs spoken audio made from text. OpenAI speech request format, mp3 by default.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"input": "Hello from SingIt.",
"model": "venice-kokoro-tts",
"response_format": "mp3",
"voice": "af_heart"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"input": {
"description": "The text to read aloud.",
"maxLength": 4096,
"minLength": 1,
"type": "string"
},
"model": {
"description": "A speech model id from GET /v1/audio/models.",
"examples": [
"venice-kokoro-tts"
],
"type": "string"
},
"response_format": {
"default": "mp3",
"description": "The audio format.",
"enum": [
"mp3",
"opus",
"aac",
"flac",
"wav",
"pcm"
],
"type": "string"
},
"speed": {
"description": "Speaking speed.",
"maximum": 4,
"minimum": 0.25,
"type": "number"
},
"voice": {
"description": "A voice of the model; they are listed at GET /v1/audio/models.",
"examples": [
"af_heart"
],
"maxLength": 60,
"type": "string"
}
},
"required": [
"model",
"input"
]
},
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792921332/bazaar-icons/a240c598b3f928d1.png",
"lastUpdated": "2026-10-26T05:55:50.537Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-26T05:55:50.065Z"
},
"resource": "https://ask.singitai.app/v1/audio/speech",
"serviceName": "SingIt Ask",
"tags": [
"speech",
"text-to-speech",
"tts",
"audio",
"openai-compatible"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "SingIt Speech: Text read aloud by 11 voice models (Kokoro, ElevenLabs, Gemini, xAI, MiniMax and more; list at GET /v1/audio/models), no API key needed. Call it when an agent needs spoken audio made from text. OpenAI speech request format, mp3 by default."
}What the leaf hashes
{"body":"704fefb574f63d0d820653ac424d1fb03b4191264f14a20e72ba68656c88feee","id":45794,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025407027749,"prev":null,"subject":"x402_bazaar:https://ask.singitai.app/v1/audio/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).
- 0x271a8fff9af0ff02122f374e940b2f05c7d72943c139aaff485366861f6cef1b
- 0x3dafb9bc208553f9b02088dc24e61718caa53c5b51f4c203b2de453e2b1f3e1f
- 0xf7138c79646ef5c56ca0febacdc23ffdd8f3710f61f4530c6a8167ca0bd58e73
- 0xcd6ff565f7d90b088c65cd78ecf618d6b5edebf0d772ed78c9d35aa5c75150c7
- 0x7e22d96098ce8ef438a47af93e0e6572d5d99c1e9745fcb68d719328373e72d5
- 0xd4f30d24b685be0713c9dd65c3589952361a8c2874cbee288f8238027d64ff27
- 0xd189411eefa7d6b2e70896172dc1d6a9d2b8233c65041e1c6752265d58b81b46
- 0x76d1e9aef0860a1684ae67a8680958454af7c65bae1e6680be89bec317b8680a
- 0x674938760b2a1f5ef84165bfad68f9f03daa720ff7669a68579f5807b0a6c6c4
- 0xad558df47956c7575e501c0b81dc4eb03d9b165e990657293028c04774a19b4c
- 0x90f2b3a28efa276421488834f526df2e5769ef8f14ee569439eea7b97f77a866
- 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
- 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
- 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae