# Kimi K2.6 Metered Chat (Mid-tier, Up-to 36K Context)

> Kimi K2.6 Metered Chat (Mid-tier, Up-to 36K Context) is a paid API for AI agents from x402.telnyx.com, paid per call via x402, $0.079376/call, status unknown (last checked 2026-10-15).

Provides OpenAI-compatible chat completions using Moonshot AI's Kimi K2.6 MoE model via Telnyx Inference, with up to 36K character input and 1024-token output, billed per call via x402.

## Facts

- Endpoint: POST https://x402.telnyx.com/v1/chat/completions/_t/mid/upto?utm_source=zero.xyz
- Price: $0.079376/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kimi-k2-6-metered-chat-mid-tier-up-to-36k-context-e42c8df5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_QDlehexs-8ENGbK8GH6oB

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 kimi-k2-6-metered-chat-mid-tier-up-to-36k-context-e42c8df5 -d '<json body>'
```

Example prompt: Use the Kimi K2.6 mid-tier model to answer this question with up to 800 tokens: 'Explain the key differences between transformer and mixture-of-experts architectures in machine learning.'

## When to prefer this

Choose this endpoint when you need a mid-tier context window (up to 36K characters input) with the Kimi K2.6 MoE model and want pay-per-call billing via x402 without a subscription. Prefer this over the long-context variant when your input is under 36K characters and cost efficiency matters. Prefer over smaller models when task complexity benefits from Kimi K2.6's MoE architecture. Use when OpenAI API compatibility is required and you want to avoid committing to a flat-rate plan.

## Known failure modes

- Payment failure if x402 payment header is missing or insufficient funds (HTTP 402)
- Input messages exceeding 36K character limit per message or 32 message limit returns validation error
- Requested max_tokens exceeding 8192 causes schema validation failure
- Model unavailability or Telnyx inference backend errors return 5xx responses
- Malformed message objects missing required 'role' or 'content' fields return 400 errors

## How this service works

Mid-tier chat completions via Telnyx Inference (Kimi K2.6, MoE) — larger context (up to 36K chars input) and 1024-token output. OpenAI-compatible. $0.01385 USDC per call. (upto metered — large context)

## Output

Returns an OpenAI-compatible chat completion object containing the assistant's generated message (up to 1024 tokens), finish reason, usage statistics (prompt and completion token counts), and optionally tool call results if tools were provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "n": {
   "type": "integer",
   "const": 1,
   "description": "Fixed to one completion per paid call."
  },
  "model": {
   "type": "string",
   "const": "moonshotai/Kimi-K2.6",
   "description": "Model identifier; fixed to moonshotai/Kimi-K2.6 on this route."
  },
  "tools": {
   "type": "array",
   "items": {
    "type": "object"
   },
   "maxItems": 16
  },
  "messages": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "role",
     "content"
    ],
    "properties": {
     "role": {
      "enum": [
       "system",
       "user",
       "assistant",
       "tool"
      ],
      "type": "string"
     },
     "content": {
      "type": "string",
      "maxLength": 200000
     }
    }
   },
   "maxItems": 32,
   "description": "OpenAI-style chat messages."
  },
  "max_tokens": {
   "type": "integer",
   "maximum": 8192,
   "minimum": 1
  },
  "temperature": {
   "type": "number",
   "maximum": 2,
   "minimum": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kimi-k2-6-metered-chat-mid-tier-up-to-36k-context-e42c8df5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.telnyx.com](https://www.zero.xyz/host/x402.telnyx.com/llms.txt)