CortexCloud AI Chat Completion

Name: CortexCloud AI Chat Completion
Price: 0.004 USD

x402

CortexCloud AI Chat Completion is a paid API for AI agents from api.cortexcloud.org, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).

Sends a chat message array to Gemini or GPT-4o-mini via OpenRouter and returns an AI-generated text response, paid per-call in USDC on Base via x402.

Price / call$0.004

Seller volume →—

Success—

StatusUnknown

How this service works

One pay-per-call API for AI agents: optimization, AI, research, on-chain data, and automation — all settled in USDC on Base via x402. Discover via MCP and Bazaar, estimate free, pay per call. No API keys, no signup.

Output

Returns an OpenAI-compatible chat completion response object containing the assistant's generated message text, finish reason, and token usage statistics (prompt tokens, completion tokens, total tokens).

Example use cases

Agent reasoning step via Gemini

“Run a reasoning step for my agent using gemini-2.5-flash: system prompt is 'You are a concise decision-making assistant', user message is 'Should I retry a failed API call after a 429 error? Give a one-sentence answer.' Set max tokens to 256 and temperature to 0.3.”

Customer support draft generation

“Generate a customer support reply using gpt-4o-mini — system: 'You are a friendly support agent for a SaaS product', user: 'I can't log in and my reset email never arrived.' Keep it under 300 tokens and use a temperature of 0.5.”

Creative writing with Gemini Flash

“Use gemini-2.0-flash to write a short opening paragraph for a sci-fi story. System prompt: 'You are a creative fiction writer.' User message: 'Write an opening for a story about a colony ship that loses contact with Earth.' Max tokens 512, temperature 1.2.”

Technical details

Endpoint

GEThttps://api.cortexcloud.org/v1/ai/chat

When to prefer

Choose this endpoint when you need pay-per-call LLM chat completion with no API key setup, especially in autonomous agent pipelines that already handle x402 USDC payments on Base. It is ideal for agents that want to avoid managing multiple provider credentials and prefer a single crypto-native billing interface. Prefer it when you want access to both Gemini 2.5 Flash and GPT-4o-mini through one consistent API surface at low per-call cost ($0.004 USDC).

Side effects

Payment failure (x402 USDC transaction rejected or insufficient balance) — returns 402 Payment Required
Invalid model name not in enum — returns 400 Bad Request
messages array empty or missing — returns 400 validation error
max_tokens exceeds 8192 — returns 400 out-of-range error
Upstream OpenRouter/model unavailability — returns 503 or 502
Temperature out of range 0–2 — returns 400 validation error

Input

Schema · Request body

Field	Type	Description
model	string
messages	array
max_tokens	integer
temperature	number

Output

Schema · Response

{
  "type": "object",
  "format": "application/json",
  "example": {
    "id": "chatcmpl-...",
    "model": "openrouter/gemini-2.5-flash",
    "usage": {
      "prompt_tokens": 12,
      "completion_tokens": 48
    },
    "choices": [
      {
        "message": {
          "role": "assistant",
          "content": "..."
        }
      }
    ],
    "price_usd": 0.0082
  }
}

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How this service works

Output

Example use cases

Agent reasoning step via Gemini

Customer support draft generation

Creative writing with Gemini Flash

Technical details

Endpoint

GEThttps://api.cortexcloud.org/v1/ai/chat

When to prefer

Side effects

Payment failure (x402 USDC transaction rejected or insufficient balance) — returns 402 Payment Required
Invalid model name not in enum — returns 400 Bad Request
messages array empty or missing — returns 400 validation error
max_tokens exceeds 8192 — returns 400 out-of-range error
Upstream OpenRouter/model unavailability — returns 503 or 502
Temperature out of range 0–2 — returns 400 validation error

Input

Schema · Request body

Field	Type	Description
model	string
messages	array
max_tokens	integer
temperature	number

Output

Schema · Response

{
  "type": "object",
  "format": "application/json",
  "example": {
    "id": "chatcmpl-...",
    "model": "openrouter/gemini-2.5-flash",
    "usage": {
      "prompt_tokens": 12,
      "completion_tokens": 48
    },
    "choices": [
      {
        "message": {
          "role": "assistant",
          "content": "..."
        }
      }
    ],
    "price_usd": 0.0082
  }
}