# Agent Hub – Meta Llama 3.3 70B Chat Completions

> Agent Hub – Meta Llama 3.3 70B Chat Completions is a paid API for AI agents from agents.torbrooknews.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).

OpenAI-compatible chat completions powered by Meta Llama 3.3 70B with tool calling and streaming support, callable via GET with x402 micropayment

## Facts

- Endpoint: GET https://agents.torbrooknews.com/v1/large/chat/completions?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-hub-meta-llama-3-3-70b-chat-completions-35078152
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mUTAC6eaAv5jZ1u6-BN4K

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability agent-hub-meta-llama-3-3-70b-chat-completions-35078152
```

Example prompt: Ask the Llama 3.3 70B model: 'What are the top three reasons a startup might fail?' — keep the response under 300 tokens and use a helpful assistant system prompt.

## When to prefer this

Choose this endpoint when you need a strong general-purpose 70B-class LLM with tool calling support and want pay-per-request pricing via x402 micropayments instead of managing an OpenAI API key or subscription. Ideal for agents making occasional LLM calls without committing to a monthly plan, or for pipelines already using OpenAI SDK that want a drop-in Llama 3.3 70B alternative at $0.01 per call.

## Known failure modes

- Payment failure via x402 if USDC balance is insufficient
- Prompt exceeding context window returns truncated or error response
- Invalid or missing 'prompt' query parameter returns 400 error
- Temperature or max_tokens out of valid range causes parameter rejection
- Streaming failures if client connection drops mid-response

## How this service works

OpenAI-compatible chat completions on Meta Llama 3.3 70B, strong general chat with tool calling. Set your OpenAI SDK base URL to https://agents.torbrooknews.com/v1/large and pay $0.01 per request with x402 instead of an API key. Same request/response shape as OpenAI (tool calling, streaming supported), up to 2048 output tokens. Also callable as GET with the same fields as query parameters.

## Output

An OpenAI-compatible chat completion response object containing the assistant's generated message, finish reason, token usage counts, and any tool call payloads. Supports streaming for incremental token delivery. Maximum 2048 output tokens per request.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "prompt"
     ],
     "properties": {
      "prompt": {
       "type": "string",
       "description": "User message"
      },
      "system": {
       "type": "string",
       "description": "Optional system message"
      },
      "max_tokens": {
       "type": "integer"
      },
      "temperature": {
       "type": "number"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-hub-meta-llama-3-3-70b-chat-completions-35078152/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agents.torbrooknews.com](https://www.zero.xyz/host/agents.torbrooknews.com/llms.txt)