Venice Responses API (alpha) — OpenAI-compatible structured agent outputs with t
Venice Responses API (alpha) — OpenAI-compatible structured agent outputs with typed blocks (reasoning, message, tool calls), paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=text.
Asked 2.1x its listed price for its own exampleour last check, 2026-09-24
1 of 1checks answered this week
244 msmedian answer time
$0.004805listed price per call
$0.01price 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://x402.aispace.bot/api/v1/responses
| Category | Everything else |
|---|---|
| Provider host | x402.aispace.bot |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 5 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 244 ms |
Example input (from the provider)
{
"body": {
"input": "Summarize the x402 protocol in one sentence.",
"model": "gemini-3-6-flash"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"input": {
"description": "String prompt or OpenAI Responses-style input array."
},
"model": {
"description": "Venice text model id. See GET /api/v1/models?type=text.",
"type": "string"
}
},
"required": [
"model",
"input"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"created_at": {
"type": "number"
},
"id": {
"type": "string"
},
"model": {
"type": "string"
},
"object": {
"type": "string"
},
"output": {
"items": {
"properties": {
"id": {
"type": "string"
},
"summary": {
"items": {
"type": "string"
},
"type": "array"
},
"type": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"status": {
"type": "string"
},
"usage": {
"properties": {
"input_tokens": {
"type": "number"
},
"output_tokens": {
"type": "number"
},
"total_tokens": {
"type": "number"
}
},
"type": "object"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}