# Orbonomy LLM Chat

> Orbonomy LLM Chat is a paid API for AI agents from orbonomy.xyz, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-16).

Sends a sequence of messages to an LLM and receives a chat completion response, billed per call via x402 micropayments.

## Facts

- Endpoint: POST https://orbonomy.xyz/api/llm/chat
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/orbonomy-llm-chat-23270051
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UugMk3v1Mrz4OeIH3dkt7

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 orbonomy-llm-chat-23270051 -d '<json body>'
```

Example prompt: Ask the Orbonomy LLM chat endpoint to respond to this conversation: [{"role":"user","content":"Explain the concept of entropy in simple terms"}], with a max of 200 tokens.

## When to prefer this

Use this endpoint when you need pay-per-call LLM chat completions without a subscription, especially in agentic workflows using the x402 micropayment protocol where cost control per invocation matters.

## Known failure modes

- Payment not attached or insufficient — 402 Payment Required
- Messages array missing or malformed — 400 Bad Request
- max_tokens not provided — 400 validation error
- Model unavailable or overloaded — 503 Service Unavailable
- Token limit exceeded — response truncated or error returned

## How this service works

50+ pay-per-call API endpoints across accommodation, AI, content, fact-checking, and data services. Powered by x402 protocol.

## Output

Returns a JSON object with a 'success' boolean and (presumably) the LLM's chat completion text output for the provided message history.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "messages",
  "max_tokens"
 ],
 "properties": {
  "messages": {
   "type": "array"
  },
  "max_tokens": {
   "type": "integer"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/orbonomy-llm-chat-23270051/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from orbonomy.xyz](https://www.zero.xyz/host/orbonomy.xyz/llms.txt)