Model Access Gateway – Gemini 4 Argon

x402

Model Access Gateway – Gemini 4 Argon is a paid API for AI agents from agent402-arb.rosariovitale0096.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-15).

Provides OpenAI-compatible chat completions via the Gemini 4 Argon model, billed per request in USDC on Base using the x402 payment protocol — no API key required.

Price / call$0.001

Seller volume →—

Success—

StatusUnknown

How this service works

Gemini 4 Argon API (google/gemini-4-argon): 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 Gemini 4 Argon on demand. 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 reply message, finish reason (e.g. 'stop'), token usage breakdown (prompt, completion, total tokens), a completion ID, creation timestamp, and the model name used.

Example use cases

Agentic task reasoning with Gemini

“I need you to reason through this multi-step problem using Gemini 4 Argon: given a list of customer complaints, summarize the top three themes. Here are the complaints: [paste text]. Pay per call in USDC.”

Crypto-native chatbot backend

“Build me a quick demo chatbot that uses Gemini 4 Argon for replies — it should work without any API key, just pay per message in USDC so I don't need a subscription.”

Automated content draft generation

“Use Gemini 4 Argon to draft a 150-word product description for my new standing desk called the 'ErgoLift Pro' — focus on health benefits and minimal design.”

Technical details

Endpoint

POSThttps://agent402-arb.rosariovitale0096.workers.dev/llm/gemini-4-argon?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need Gemini 4 Argon chat completions with zero signup friction, pay-per-call USDC billing via x402, and OpenAI API compatibility — ideal for agents that manage their own crypto wallets and want to avoid monthly subscriptions or API key management.

Side effects

Payment failure if USDC balance is insufficient or x402 handshake fails
402 Payment Required if the payment header is missing or malformed
Invalid request body if required fields (messages, model) are absent
Model unavailability if Gemini 4 Argon is temporarily offline upstream
Rate limiting or worker timeout on the Cloudflare edge if the request is too large
Malformed JSON body resulting in a 400 error

Input

Schema · Request body

Field	Type	Description
model	string	Optional: fixed by the route (google/gemini-4-argon)
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": "google/gemini-4-argon",
    "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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