{
  "x402Version": 2,
  "id": 4565,
  "slug": "4565",
  "resource": "https://voice.forgemesh.io/v1/tts/custom",
  "description": "Expressive text-to-speech in any of 20 voices: 10 standard (M1-M5, F1-F5) plus 10 personas (Storyteller, Narrator, Announcer, Urgent, Velvet, Sage, Spark, Anchor, Echo, Assistant), with speed and quality control, up to 500 characters, WAV output. Use it to: voice a game character, narrate a branded assistant reply, add a dramatic announcer line, give a chatbot personality-driven audio. USDC on Base.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x962794FB8aD92941fAf1ab446b9e30637B86F331",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 1800
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "lang": "en",
            "text": "Hello world",
            "voice": "M1"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "content_type": "audio/wav",
            "description": "44.1kHz 16-bit mono WAV speech audio returned inline"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "lang": {
                    "description": "Language code; 31 languages supported",
                    "enum": [
                      "en",
                      "ko",
                      "ja",
                      "ar",
                      "bg",
                      "cs",
                      "da",
                      "de",
                      "el",
                      "es",
                      "et",
                      "fi",
                      "fr",
                      "hi",
                      "hr",
                      "hu",
                      "id",
                      "it",
                      "lt",
                      "lv",
                      "nl",
                      "pl",
                      "pt",
                      "ro",
                      "ru",
                      "sk",
                      "sl",
                      "sv",
                      "tr",
                      "uk",
                      "vi"
                    ],
                    "type": "string"
                  },
                  "speed": {
                    "description": "Pro/Custom expressive speed control, 0.7-2.0. Presets: slow 0.7, normal 1.0, fast 1.3, rapid 1.6",
                    "maximum": 2,
                    "minimum": 0.7,
                    "type": "number"
                  },
                  "steps": {
                    "description": "Pro/Custom quality control, 1-100. Presets: draft 4, standard 8, high 16, ultra 24",
                    "maximum": 100,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "text": {
                    "description": "Text to synthesize into speech, max 2000 characters. Use non-long routes for 1-500 chars and -long routes for 501-2000 chars.",
                    "maxLength": 2000,
                    "minLength": 1,
                    "type": "string"
                  },
                  "voice": {
                    "description": "Voice name. Standard voices M1-M5/F1-F5; persona voices require Custom tier.",
                    "enum": [
                      "M1",
                      "M2",
                      "M3",
                      "M4",
                      "M5",
                      "F1",
                      "F2",
                      "F3",
                      "F4",
                      "F5",
                      "Storyteller",
                      "Narrator",
                      "Announcer",
                      "Assistant",
                      "Urgent",
                      "Sage",
                      "Spark",
                      "Anchor",
                      "Velvet",
                      "Echo"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "text"
                ],
                "type": "object"
              },
              "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": {
                "properties": {
                  "audio": {
                    "description": "Inline WAV bytes in the HTTP response body",
                    "type": "string"
                  },
                  "content_type": {
                    "const": "audio/wav",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "tags": [
      "text-to-speech",
      "tts",
      "persona-voices",
      "expressive",
      "voiceover",
      "audio",
      "wav"
    ]
  },
  "tags": [
    "bazaar",
    "tags"
  ],
  "sourceHost": "voice.forgemesh.io",
  "lastUpdated": "2026-09-14T08:37:25.625Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-14T08:37:25.505Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "voice.forgemesh.io",
    "manifest_name": "voice.forgemesh.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}