OpenAI-compatible chat on 100+ Venice models via x402 USDC (Base)
OpenAI-compatible chat on 100+ Venice models via x402 USDC (Base). Model from GET /api/v1/models?type=text; personas via /characters. Thinking models: empty content + reasoning_content is success; use venice_parameters.disable_thinking for plain text.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
884 msmedian answer time
$0.01listed 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/chat/completions
| Category | Everything else |
|---|---|
| Provider host | x402.aispace.bot |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 68 from 10 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 884 ms |
Example input (from the provider)
{
"body": {
"messages": [
{
"content": "Say hello in one sentence.",
"role": "user"
}
],
"model": "gemini-3-6-flash"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"choices[].message.reasoning_content": {
"description": "On thinking models, chain-of-thought text. content may be empty if max_tokens is spent on thinking first (finish_reason=length). Check this field as well as content.",
"type": "string"
},
"choices[].message.reasoning_details": {
"description": "Structured thought signatures (Claude Opus / GPT-5.4 Pro etc). Pass back unchanged on the next turn.",
"type": "string"
},
"max_tokens": {
"description": "Optional. Buyer-chosen completion cap \u2014 this gateway does not set a default. Omit unless you want to bound output. On thinking models a small value can exhaust on reasoning_content and leave content empty (finish_reason=length).",
"type": "integer"
},
"messages": {
"description": "OpenAI chat messages: array of {role:'system'|'user'|'assistant', content:string}. On multi-turn tool use with reasoning models, round-trip assistant.reasoning_details verbatim.",
"items": {
"type": "object"
},
"type": "array"
},
"model": {
"description": "Venice text model id. List available ids at GET /api/v1/models?type=text (e.g. gemini-3-6-flash, zai-org-glm-5).",
"example": "gemini-3-6-flash",
"type": "string"
},
"stream": {
"description": "If true, stream tokens via SSE. Default false.",
"type": "boolean"
},
"venice_parameters": {
"properties": {
"disable_thinking": {
"description": "Skip chain-of-thought on reasoning models; forces a normal content reply.",
"type": "boolean"
},
"strip_thinking_response": {
"description": "Run thinking server-side but hide it from the client.",
"type": "boolean"
}
},
"type": "object"
},
"venice_parameters.disable_thinking": {
"description": "Set true to skip chain-of-thought on reasoning models (forces a normal content reply).",
"type": "string"
},
"venice_parameters.strip_thinking_response": {
"description": "If true, hide thinking from the client while still running it server-side.",
"type": "string"
}
},
"required": [
"model",
"messages"
],
"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": {
"choices": {
"items": {
"properties": {
"finish_reason": {
"type": "string"
},
"index": {
"type": "number"
},
"message": {
"properties": {
"content": {
"type": "string"
},
"reasoning_content": {
"type": "null"
},
"role": {
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"type": "array"
},
"cost": {
"properties": {
"diem": {
"type": "number"
},
"usd": {
"type": "number"
}
},
"type": "object"
},
"created": {
"type": "number"
},
"id": {
"type": "string"
},
"model": {
"type": "string"
},
"object": {
"type": "string"
},
"usage": {
"properties": {
"completion_tokens": {
"type": "number"
},
"prompt_tokens": {
"type": "number"
},
"total_tokens": {
"type": "number"
}
},
"type": "object"
},
"venice_parameters": {
"properties": {
"disable_thinking": {
"type": "boolean"
},
"enable_e2ee": {
"type": "boolean"
},
"enable_web_citations": {
"type": "boolean"
},
"enable_web_scraping": {
"type": "boolean"
},
"enable_web_search": {
"type": "string"
},
"enable_x_search": {
"type": "boolean"
},
"include_search_results_in_stream": {
"type": "bool