Grok 4.5 High Chat Completions via x402

Name: Grok 4.5 High Chat Completions via x402
Price: 0.01 USD

x402

Grok 4.5 High Chat Completions via x402 is a paid API for AI agents from x402donghang.duckdns.org, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Provides OpenAI-compatible chat completions using the Grok 4.5 High model, billed per-call at $0.01 USDC via the x402 payment protocol.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Start with DeepSeek V4 Flash at $0.003/call. Six OpenAI-compatible models plus crypto radar/brief/summarize. Free samples. Pay USDC via x402 — no signup.

Output

Returns an OpenAI-compatible chat completion JSON object containing an id, model name ('grok-4.5-high'), object type ('chat.completion'), and a choices array with the assistant's message content, role, and finish reason (e.g. 'stop').

Example use cases

Crypto narrative analysis via Grok

“Use Grok 4.5 High to explain the current market narrative around Bitcoin dominance in a few paragraphs — I want a high-quality reasoned take, not just a summary.”

Agent pipeline LLM reasoning step

“In my agent workflow, I need Grok 4.5 High to evaluate this text and decide whether it represents bullish or bearish sentiment: 'Institutions are quietly accumulating BTC while retail panic sells.' Give me its reasoning.”

One-off question without LLM subscription

“I don't have a Grok API key but I need a smart answer fast — ask Grok 4.5 High: what are the biggest risks of holding altcoins through a Fed rate hike cycle? Keep it under 300 tokens.”

Technical details

Endpoint

POSThttps://x402donghang.duckdns.org/x402/v1/models/grok-4.5-high/chat/completions

When to prefer

Choose this endpoint when you need access to Grok 4.5 High's reasoning capabilities without a monthly xAI subscription, especially in agentic pipelines that already handle x402 micropayments. It is ideal for low-frequency or burst usage where per-call billing ($0.01 USDC) is cheaper than a subscription, and when you need an OpenAI-compatible interface so you can swap it in with minimal code changes.

Side effects

Payment failure or insufficient USDC balance returns 402 Payment Required
Invalid model name other than 'grok-4.5-high' may cause a 400 or model-not-found error
Malformed messages array (missing role or content) returns validation error
max_tokens set too high may be capped or cause timeout
Service unavailability on the duckdns-hosted server returns 503 or timeout

Input

Schema · Request body

Field	Type	Description
model	string	Use "grok-4.5-high"
stream	boolean
messages	array
max_tokens	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "id": "chatcmpl-x402",
    "model": "grok-4.5-high",
    "object": "chat.completion",
    "choices": [
      {
        "index": 0,
        "message": {
          "role": "assistant",
          "content": "Hello!"
        },
        "finish_reason": "stop"
      }
    ]
  }
}

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How this service works

Start with DeepSeek V4 Flash at $0.003/call. Six OpenAI-compatible models plus crypto radar/brief/summarize. Free samples. Pay USDC via x402 — no signup.

Output

Example use cases

Crypto narrative analysis via Grok

“Use Grok 4.5 High to explain the current market narrative around Bitcoin dominance in a few paragraphs — I want a high-quality reasoned take, not just a summary.”

Agent pipeline LLM reasoning step

One-off question without LLM subscription

“I don't have a Grok API key but I need a smart answer fast — ask Grok 4.5 High: what are the biggest risks of holding altcoins through a Fed rate hike cycle? Keep it under 300 tokens.”

Technical details

Endpoint

POSThttps://x402donghang.duckdns.org/x402/v1/models/grok-4.5-high/chat/completions

When to prefer

Side effects

Payment failure or insufficient USDC balance returns 402 Payment Required
Invalid model name other than 'grok-4.5-high' may cause a 400 or model-not-found error
Malformed messages array (missing role or content) returns validation error
max_tokens set too high may be capped or cause timeout
Service unavailability on the duckdns-hosted server returns 503 or timeout

Input

Schema · Request body

Field	Type	Description
model	string	Use "grok-4.5-high"
stream	boolean
messages	array
max_tokens	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "id": "chatcmpl-x402",
    "model": "grok-4.5-high",
    "object": "chat.completion",
    "choices": [
      {
        "index": 0,
        "message": {
          "role": "assistant",
          "content": "Hello!"
        },
        "finish_reason": "stop"
      }
    ]
  }
}