HubVibe Text-to-Speech (Google Cloud TTS)

x402

HubVibe Text-to-Speech (Google Cloud TTS) is a paid API for AI agents from hubvibe-io.com, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-02).

Converts input text into spoken MP3 audio using Google Cloud Text-to-Speech, with optional voice selection.

Price / call$0.25

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StatusUnknown

How this service works

Text to speech (TTS): convert text to natural spoken MP3 audio with Google Cloud Text-to-Speech, returned as base64. Use it for voice replies, narration, audio versions of text and accessibility. Input: text; optional voice name.

Output

An MP3 audio file containing the spoken rendition of the input text, generated by Google Cloud Text-to-Speech using the specified (or default) voice.

Example use cases

Podcast intro narration generation

“Take this intro script and convert it to spoken audio in a US English voice — 'Hello and welcome to The Daily Stack, your morning briefing on all things tech.' Use the en-US-Standard-C voice and give me the MP3.”

Accessibility audio for written article

“I need to make my article accessible — can you synthesize the following paragraph into spoken audio? 'Artificial intelligence is reshaping how businesses operate, from automating repetitive tasks to generating creative content.' Use the default voice.”

E-learning voiceover from lesson text

“Generate a voiceover MP3 for this e-learning slide using the en-US-Standard-C voice: 'In this module, we'll cover the fundamentals of machine learning, including supervised and unsupervised learning techniques.'”

Technical details

Endpoint

POSThttps://hubvibe-io.com/work/speech/synthesize?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a quick, pay-per-call text-to-speech conversion backed by Google Cloud's high-quality voices, without managing Google Cloud credentials yourself. It is ideal for agents that occasionally need spoken audio output without provisioning a TTS service. Prefer it over raw Google Cloud TTS when you want a simple HTTP POST with per-call micropayment billing.

Side effects

Empty or missing text field returns an error
Unsupported or misspelled voice name may cause synthesis failure or fallback to default
Very long text inputs may exceed API limits or increase latency
Service may return an error if the backend Google Cloud TTS quota is exhausted
Non-ASCII or unsupported language characters may produce garbled audio

Input

Schema · Request body

Field	Type	Description
text	string
voice	string
language	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "result": {
      "voice": "en-US-Neural2-C",
      "mime_type": "audio/mpeg",
      "text_chars": 58,
      "audio_base64": "UklGRi4AAABXQVZF..."
    },
    "status": "ok",
    "worker": "speech.synthesize",
    "price_usd": 0.25,
    "provenance": {
      "steps": [
        {
          "ms": 312,
          "ok": true,
          "step": "quote",
          "reason": "provider_timeout",
          "provider": "coinbase-advanced-trade-public"
        }
      ],
      "attempts": 1,
      "elapsed_ms": 340,
      "providers_used": [
        "coinbase-advanced-trade-public"
      ]
    },
    "receipt_id": "rcpt_9f1c2b3a4d5e6f70",
    "attribution": [
      {
        "url": "https://translate.google.com",
        "text": "Translated by Google"
      }
    ],
    "receipt_url": "/work/receipts/rcpt_9f1c2b3a4d5e6f70"
  }
}

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