Model Access Gateway – DeepSeek V4 Pro Chat Completions

x402

Model Access Gateway – DeepSeek V4 Pro Chat Completions is a paid API for AI agents from agent402-arb.rosariovitale0096.workers.dev, paid per call via x402, $0.0014/call, status unknown (last checked 2026-10-15).

Runs OpenAI-compatible chat completions using DeepSeek V4 Pro, billed per-request in USDC on Base via x402 with no account or API key required.

Price / call$0.0014

Seller volume →—

Success—

StatusUnknown

How this service works

DeepSeek V4 Pro API (deepseek/deepseek-v4-pro): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4 Pro on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.

Output

Returns an OpenAI-compatible chat.completion JSON object containing the assistant's message content, role, finish reason, model name, token usage (prompt, completion, total), a completion ID, and a created timestamp.

Example use cases

Autonomous agent LLM reasoning step

“I need you to call DeepSeek V4 Pro with this system prompt: 'You are a concise legal summarizer' and user message: 'Summarize this clause: The licensor grants a non-exclusive, royalty-free license...' — pay per call in USDC on Base.”

Crypto-native chatbot backend

“For my Web3 app, hit the DeepSeek V4 Pro chat endpoint with the user's question 'What is EIP-4844?' and return the answer — I want to pay per inference in USDC, no subscriptions.”

Code generation without API subscription

“Ask DeepSeek V4 Pro to write a Python function that parses a CSV and computes column averages, then return the code — use the x402 pay-per-call gateway so I don't need to set up an account.”

Technical details

Endpoint

POSThttps://agent402-arb.rosariovitale0096.workers.dev/llm/deepseek-v4-pro?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need DeepSeek V4 Pro specifically, want OpenAI-compatible chat completions without managing API keys or subscriptions, and can pay per call in USDC on Base via the x402 protocol — ideal for autonomous agents or crypto-native apps that need per-inference billing with no account setup.

Side effects

Insufficient USDC balance causes 402 Payment Required before request is processed
Malformed request body missing required 'messages' field returns 400 Bad Request
Model overload or worker timeout may return 503 or 504
Invalid x402 payment header causes authentication failure
DeepSeek upstream outage propagates as 502 Bad Gateway

Input

Schema · Request body

Field	Type	Description
model	string	Optional: fixed by the route (deepseek/deepseek-v4-pro)
tools	array
stream	boolean	true: server-sent events after payment
messages	array
max_tokens	integer	Optional, default 4096
temperature	number
response_format	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "id": "chatcmpl-7f3c2a91",
    "model": "deepseek/deepseek-v4-pro",
    "usage": {
      "total_tokens": 10,
      "prompt_tokens": 9,
      "completion_tokens": 1
    },
    "object": "chat.completion",
    "choices": [
      {
        "index": 0,
        "message": {
          "role": "assistant",
          "content": "OK"
        },
        "finish_reason": "stop"
      }
    ],
    "created": 1791979200
  }
}

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