# ManyLives AI Chat Completion

> ManyLives AI Chat Completion is a paid API for AI agents from manylives.me, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-10).

Send a prompt or message thread to Llama 3.3 70B (or Llama 3.1 8B for speed) and get a text reply, no API key required — pay per call via x402.

## Facts

- Endpoint: POST https://manylives.me/paid/ai/chat?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/manylives-ai-chat-completion-9f19402a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bw3Ew5sEsTQkGiZ6I4Tkd

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 manylives-ai-chat-completion-9f19402a -d '<json body>'
```

Example prompt: Ask the Llama 3.3 70B model: 'Explain the difference between supervised and unsupervised learning in two paragraphs' — use a temperature of 0.7 and return up to 800 tokens.

## When to prefer this

Choose this endpoint when you need keyless, accountless access to open-weight Llama models (70B or 8B) via a simple pay-per-call micropayment model. It is ideal for agents that need occasional LLM inference without managing API credentials or subscriptions. Prefer the 8B option when latency matters and the 70B option for higher-quality reasoning. Not suitable for very long outputs (>1024 tokens), streaming responses, or fine-tuned model variants.

## Known failure modes

- Input exceeds 24,000 character limit — request rejected
- max_tokens set above 1024 — capped or rejected
- Invalid model name provided — may fall back to default or return error
- Malformed messages array (not valid array of role/content objects) — parse error
- Payment not processed via x402 — 402 Payment Required response
- Model temporarily unavailable — 5xx server error

## How this service works

Chat completion from an open AI model (Llama 3.3 70B by default; Llama 3.1 8B for speed), no account or API key: send messages (or a prompt), get the model's reply. Up to 24,000 characters in and 1,024 tokens out per call.

## Output

The endpoint returns the language model's text reply to the provided prompt or message thread. The response contains the generated assistant message content, produced by Llama 3.3 70B (default) or Llama 3.1 8B (speed mode), up to the requested max_tokens (default 512, maximum 1024).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "model": {
   "type": "string",
   "description": "optional llama-3.3-70b (default) or llama-3.1-8b"
  },
  "prompt": {
   "type": "string",
   "examples": [
    "In one sentence, what is a hit rate?"
   ],
   "description": "a single user prompt (alternative to messages)"
  },
  "messages": {
   "type": "string",
   "description": "array of {role: system|user|assistant, content} (or use prompt)"
  },
  "max_tokens": {
   "type": "string",
   "description": "optional, up to 1024 (default 512)"
  },
  "temperature": {
   "type": "string",
   "description": "optional 0-1.5 (default 0.6)"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/manylives-ai-chat-completion-9f19402a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from manylives.me](https://www.zero.xyz/host/manylives.me/llms.txt)