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mirrored listing x402 eip155:8453eip155:137eip155:42161

Turns text into natural speech with MeloTTS in English, Spanish, French, Chinese, Japanese

Turns text into natural speech with MeloTTS in English, Spanish, French, Chinese, Japanese or Korean, in about a second. Returns a hosted WAV URL valid for 24 hours plus its size; add inline=true to also get the base64. Up to 2000 characters per call. You are only charged if the audio is delivered. No API key, no account.

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5000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-13
updated

Provider

flat-rate-llm.kikoribera03.workers.dev · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "lang": "en",
          "text": "Your order has shipped and will arrive on Tuesday."
        },
        "type": "http"
      },
      "output": {
        "example": {
          "bytes": 288102,
          "characters": 50,
          "expires": "2026-09-14T18:00:00.000Z",
          "lang": "en",
          "mime": "audio/wav",
          "model": "@cf/myshell-ai/melotts",
          "url": "https://flat-rate-llm.kikoribera03.workers.dev/m/9b2e6d4a1c0f8e7d3a5b2c11.wav"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "inline": {
                  "description": "Also return the WAV as base64. Default false.",
                  "type": "boolean"
                },
                "lang": {
                  "description": "en, es, fr, zh, ja or ko. Default en.",
                  "type": "string"
                },
                "text": {
                  "description": "What to say, up to 2000 characters.",
                  "type": "string"
                }
              },
              "required": [
                "text"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/speech"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/speech");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/speech")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/8088.json, and this resource appears in /discovery/resources and /discovery/search.