# MiniMax M2.7 Metered Chat (Large Context, Telnyx Inference)

> MiniMax M2.7 Metered Chat (Large Context, Telnyx Inference) is a paid API for AI agents from x402.telnyx.com, paid per call via x402, $0.019977/call, status unknown (last checked 2026-10-17).

Sends a chat completion request to MiniMax M2.7 via Telnyx Inference with pay-per-call billing over x402, supporting large context inputs up to 200K characters.

## Facts

- Endpoint: POST https://x402.telnyx.com/v1/chat/completions/_t/mini/upto?utm_source=zero.xyz
- Price: $0.019977/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/minimax-m2-7-metered-chat-large-context-telnyx-inference-c7c9e8c2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_GENpzx1f2nWlL7VFAl1SO

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 minimax-m2-7-metered-chat-large-context-telnyx-inference-c7c9e8c2 -d '<json body>'
```

Example prompt: Using MiniMax M2.7, analyze this 50-page contract I've pasted below and summarize the key obligations, deadlines, and risk clauses — use a temperature of 0.3 and limit the response to 2048 tokens.

## When to prefer this

Choose this endpoint when you need a frontier-tier reasoning model (MiniMax M2.7) with large context support and want pay-per-call billing without account signup or API key management. Prefer over sibling endpoints when the task requires deep reasoning over long documents or complex multi-step problems, and the ~$0.02/call price point is acceptable. Use the 'upto' (metered large context) variant when input context is substantial.

## Known failure modes

- Payment failure if USDC balance is insufficient or x402 handshake fails
- max_tokens out of range (must be 512–4096) returns a 400 validation error
- Messages array exceeds 32 items or content exceeds 200,000 characters causes rejection
- Temperature out of 0–2 range returns validation error
- Network timeout on large context inputs
- Model unavailable on Telnyx Inference returns 503

## How this service works

Frontier chat completions via Telnyx Inference (MiniMax M2.7). Reasoning tokens count toward max_tokens, so max_tokens must be 512–4096 (omit it for 4096). OpenAI-compatible. $0.007157 USDC per call — no API key, no signup, pay per request. (upto metered — large context)

## Output

Returns an OpenAI-compatible chat completion object containing the assistant's message, finish reason, usage statistics (including reasoning token counts), and any tool call requests. Reasoning tokens count toward the max_tokens budget.

## 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": "MiniMaxAI/MiniMax-M2.7",
   "description": "Model identifier; fixed to MiniMaxAI/MiniMax-M2.7 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": 4096,
   "minimum": 512
  },
  "temperature": {
   "type": "number",
   "maximum": 2,
   "minimum": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/minimax-m2-7-metered-chat-large-context-telnyx-inference-c7c9e8c2/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)