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Evidence row 3968771

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://1gateway.dev/v1/ai/tts
Recorded
Previous row
#1791353
Body SHA-256
2b1d67dfe311698e00214f0d1979082fe430a5bde28526b186929bf58d52c736
Leaf
0x651f7bdd184e4e2ecd5c4918ebd0686c53b9da47b5025b9dc4f02ac6e2b111c9

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://1gateway.dev/v1/ai/tts"
    ]
  ],
  "name": "Text-to-Speech",
  "owner_address": "0x6246eee0355dd7a93c888fe59e1151388a0cc5a1",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs spoken audio from short text (voice reply, narration, accessibility). Input: text (max 500 chars), lang (en, ko, ja, zh, es, fr; default en). Output: JSON with an MP3 (base64), voice, model, safety verdict. Fixed built-in voices, no voice cloning. Text screened by Llama Guard 3; unsafe 422, not charged. Not stored. Example: ?text=Hello%20from%201gateway&lang=en",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lang": "en",
              "text": "Hello from 1gateway"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "audio": {
                "base64": "//uQZAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
                "bytes": 108,
                "mimeType": "audio/mpeg"
              },
              "estimatedSeconds": 1.4,
              "lang": "en",
              "model": "@cf/myshell-ai/melotts",
              "notes": [
                "Synthesized by MeloTTS (MyShell.ai, MIT license) on Cloudflare Workers AI with a fixed built-in voice per language; no voice cloning. Text is screened by Llama…"
              ],
              "safety": {
                "textModel": "@cf/meta/llama-guard-3-8b",
                "textVerdict": "safe",
                "voiceCloning": false
              },
              "text": "Hello from 1gateway",
              "upstreamCostUsd": 0.000005,
              "voice": "melotts-en-default"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "lang": {
                      "description": "Speech language (default en); one built-in voice per language",
                      "enum": [
                        "en",
                        "es",
                        "fr",
                        "zh",
                        "ja",
                        "ko"
                      ],
                      "examples": [
                        "en"
                      ],
                      "type": "string"
                    },
                    "text": {
                      "description": "Text to speak (1-500 chars). Empty or longer text → 400 before payment (not charged)",
                      "examples": [
                        "Hello from 1gateway"
                      ],
                      "maxLength": 500,
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "audio": {
                      "properties": {
                        "base64": {
                          "type": "string"
                        },
                        "bytes": {
                          "type": "integer"
                        },
                        "mimeType": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "estimatedSeconds": {
                      "type": "number"
                    },
                    "lang": {
                      "type": "string"
                    },
                    "model": {
                      "type": "string"
                    },
                    "notes": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "safety": {
                      "properties": {
                        "textModel": {
                          "type": "string"
                        },
                        "textVerdict": {
                          "type": "string"
                        },
                        "voiceCloning": {
                          "type": "boolean"
                        }
                      },
                      "type": "object"
                    },
                    "text": {
                      "type": "string"
                    },
                    "upstreamCostUsd": {
                      "type": "number"
                    },
                    "voice": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "audio",
                    "text",
                    "lang",
                    "voice",
                    "model",
                    "safety",
                    "estimatedSeconds",
                    "upstreamCostUsd",
                    "notes"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_dr4pqtka"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792593183/bazaar-icons/c4d9db8f8f483844.png",
    "lastUpdated": "2026-11-07T03:35:13.937Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-07T03:35:13.727Z"
    },
    "resource": "https://1gateway.dev/v1/ai/tts",
    "serviceName": "Text-to-Speech",
    "tags": [
      "text-to-speech",
      "tts",
      "voice",
      "speech-synthesis",
      "ai"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs spoken audio from short text (voice reply, narration, accessibility). Input: text (max 500 chars), lang (en, ko, ja, zh, es, fr; default en). Output: JSON with an MP3 (base64), voice, model, safety verdict. Fixed built-in voices, no voice cloning. Text screened by Llama Guard 3; unsafe 422, not charged. Not stored. Example: ?text=Hello%20from%201gateway&lang=en"
}

What the leaf hashes

{"body":"2b1d67dfe311698e00214f0d1979082fe430a5bde28526b186929bf58d52c736","id":3968771,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083528002069,"prev":1791353,"subject":"x402_bazaar:https://1gateway.dev/v1/ai/tts","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).

  1. 0x651ea10c63cb5e9d9883598e899fa95764ac84d7d17124449fcf143f3c3a56c6
  2. 0x071daefe9b01e76f8cf6384bac1f3cfbd33ca9d8d626d741f82df74d2ef1ea3b
  3. 0xd48a8540b0c356197133dfe5bfe1b52704d00926ef593e171e0b54c29f9d5211
  4. 0xa240a619aae5eaddb227e664e8db1c489d9b5f96b89499e92e7f6454b910214f
  5. 0x0ce0de69a1e59ea0ee152f6bc3576f762992fb797888ecc29e40f5a2d58a8f60
  6. 0x1d4e7ad804d3c28d96c80591b7f53ef8f34d317d2d06093ca75d9d8b140fed52
  7. 0xbdd301f533c9240580cc0fbec246b53036d6de8acaa6ac0e230a8677e3c82d20
  8. 0x420f0f7803d3681048c21b7a731330ebcfedc126b3ce95f28eb26dedfffad25f
  9. 0x72c00cb285d231fa2cc04a50623ddc64a5e439b2527806080edcf2037d29b7dd
  10. 0x58bf55d8b45d4f9543756f8ab004421b25be1ec289922767cc1d27ce259dcbfb
  11. 0xf5bee5b30a734a64bf8e513f2817b50cfbe586dbb3e9ca259cbf24a79a3715fb
  12. 0x6b91d4a5b85839e1e9102f953beff9267cf11525591d8fd47e2bd915be274e86
  13. 0x1786c938edaf0cc932ce19344b27c31e59e4b9f596fd5ebd5a79ef17c3a17dac
  14. 0x3c8b8590aa1491095b03c531400c6bb64d1d9d3fc078ffa5d834c3fe679a026d
  15. 0x9127f3a0ab829dab5d80217ddc8d077053e20f2e260baed043c8a97478ebb2bf
  16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
  17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
  18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c
Day root
0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
Chained
0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
Published
On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa

How to check it · This row as JSON