addrbookFor publishers
← 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).

  1. 0x271a8fff9af0ff02122f374e940b2f05c7d72943c139aaff485366861f6cef1b
  2. 0x3dafb9bc208553f9b02088dc24e61718caa53c5b51f4c203b2de453e2b1f3e1f
  3. 0xf7138c79646ef5c56ca0febacdc23ffdd8f3710f61f4530c6a8167ca0bd58e73
  4. 0xcd6ff565f7d90b088c65cd78ecf618d6b5edebf0d772ed78c9d35aa5c75150c7
  5. 0x7e22d96098ce8ef438a47af93e0e6572d5d99c1e9745fcb68d719328373e72d5
  6. 0xd4f30d24b685be0713c9dd65c3589952361a8c2874cbee288f8238027d64ff27
  7. 0xd189411eefa7d6b2e70896172dc1d6a9d2b8233c65041e1c6752265d58b81b46
  8. 0x76d1e9aef0860a1684ae67a8680958454af7c65bae1e6680be89bec317b8680a
  9. 0x674938760b2a1f5ef84165bfad68f9f03daa720ff7669a68579f5807b0a6c6c4
  10. 0xad558df47956c7575e501c0b81dc4eb03d9b165e990657293028c04774a19b4c
  11. 0x90f2b3a28efa276421488834f526df2e5769ef8f14ee569439eea7b97f77a866
  12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
  13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
  14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
  15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON