{
  "x402Version": 2,
  "id": 4562,
  "slug": "4562",
  "resource": "https://voice.forgemesh.io/v1/audio/speech-long",
  "description": "OpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with existing OpenAI TTS clients, 1 of 10 standard voices, for 501-2000 characters, WAV/FLAC/OGG output. Use it to: voice a longer OpenAI-formatted request without an API key, migrate an existing TTS integration to pay-per-call pricing, synthesize extended text through a familiar request shape. USDC on Base via x402.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x962794FB8aD92941fAf1ab446b9e30637B86F331",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "3000",
      "maxTimeoutSeconds": 1800
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "input": "Hello world",
            "model": "forgemesh-voice",
            "response_format": "wav",
            "voice": "M1"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "content_type": "audio/wav",
            "description": "OpenAI-compatible inline speech audio response"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "input": {
                    "description": "OpenAI-compatible text input to synthesize, max 2000 characters",
                    "maxLength": 2000,
                    "minLength": 1,
                    "type": "string"
                  },
                  "model": {
                    "description": "Ignored — always uses ForgeMesh Voice",
                    "type": "string"
                  },
                  "response_format": {
                    "description": "Requested audio format",
                    "enum": [
                      "wav",
                      "flac",
                      "ogg"
                    ],
                    "type": "string"
                  },
                  "voice": {
                    "description": "Standard voice: M1-M5 or F1-F5",
                    "enum": [
                      "M1",
                      "M2",
                      "M3",
                      "M4",
                      "M5",
                      "F1",
                      "F2",
                      "F3",
                      "F4",
                      "F5"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "input"
                ],
                "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",
      "openai-compatible",
      "long-form",
      "audio",
      "wav"
    ]
  },
  "tags": [
    "bazaar",
    "tags"
  ],
  "sourceHost": "voice.forgemesh.io",
  "lastUpdated": "2026-09-14T08:37:51.404Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-14T08:37:51.216Z"
  },
  "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"
  }
}