# GlianaAI Speech 2.8 Turbo — Pay-Per-Call Text-to-Speech

> GlianaAI Speech 2.8 Turbo — Pay-Per-Call Text-to-Speech is a paid API for AI agents from api.glianalabs.com, paid per call via x402, $0.054/call, status unknown (last checked 2026-09-13).

Converts a text prompt into speech audio using the speech-2.8-turbo model, billed at $0.0675 USDC per call with no API key required.

## Facts

- Endpoint: GET https://api.glianalabs.com/x402/speech-2.8-turbo
- Price: $0.054/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/glianaai-speech-2-8-turbo-pay-per-call-text-to-speech-beb44b8a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_RFgWcAD-7wF1Ft7tAH5AL

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability glianaai-speech-2-8-turbo-pay-per-call-text-to-speech-beb44b8a
```

Example prompt: Using GlianaAI's speech-2.8-turbo model, generate a spoken audio version of this text: 'Welcome to our platform. We are thrilled to have you here today.' and pay the $0.0675 USDC fee per call.

## When to prefer this

Choose this endpoint when you need text-to-speech audio generation without signing up for an account or managing API keys, and when your agent can pay per call in USDC via x402/MPP on Base, Tempo, or Solana. It is especially suited for AI agents with crypto wallets that need on-demand speech synthesis billed at a flat per-call rate.

## Known failure modes

- Payment failure — insufficient USDC balance or unsupported payment method returns a 402 error
- Invalid or missing prompt field returns a 400 validation error
- Model overload or unavailability returns a 503 or timeout
- Malformed input (wrong schema structure) returns a 400 error
- Network or facilitator settlement failure may result in a payment timeout

## How this service works

GlianaAI — speech-2.8-turbo (tts)

## Output

Returns a JSON object with the model name used, an output object containing the generated audio as a media URL or structured result, and the amount charged in micro-USD (costMicroUsd).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "model": "speech-2.8-turbo",
  "output": {
   "url": "https://api.glianalabs.com/v1/media/<id>"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/glianaai-speech-2-8-turbo-pay-per-call-text-to-speech-beb44b8a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.glianalabs.com](https://www.zero.xyz/host/api.glianalabs.com/llms.txt)