AI text-to-speech (ElevenLabs) — pay per call with USDC on Base
AI text-to-speech (ElevenLabs) — pay per call with USDC on Base
Answeringour last check, 2026-09-24
1 of 1checks answered this week
226 msmedian answer time
$0.053501listed price per call
$0.053501price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://blockrun.ai/api/v1/audio/speech
| Category | Image and media |
|---|---|
| Provider host | blockrun.ai |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 50 from 9 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.053501 | 226 ms |
Example input (from the provider)
{
"bodyFields": {
"input": {
"description": "Text to synthesize into speech",
"type": "string"
},
"model": {
"description": "Speech model ID (e.g., elevenlabs/flash-v2.5)",
"type": "string"
},
"response_format": {
"description": "Audio format: mp3 (default), opus, pcm, wav",
"type": "string"
},
"speed": {
"description": "Playback speed 0.7-1.2 (optional)",
"type": "number"
},
"voice": {
"description": "Voice alias or raw ElevenLabs voice_id",
"type": "string"
}
},
"discoverable": true,
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"input": {
"description": "Text to synthesize into speech",
"type": "string"
},
"model": {
"description": "Speech model ID (e.g., elevenlabs/flash-v2.5)",
"type": "string"
},
"response_format": {
"description": "Audio format: mp3 (default), opus, pcm, wav",
"type": "string"
},
"speed": {
"description": "Playback speed 0.7-1.2 (optional)",
"type": "number"
},
"voice": {
"description": "Voice alias (e.g., sarah, george) or raw ElevenLabs voice_id",
"type": "string"
}
},
"required": [
"input"
],
"type": "object"
}
},
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"characters": {
"type": "number"
},
"format": {
"type": "string"
},
"url": {
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
}
},
"type": "object"
}