Model Access Gateway – DeepSeek Chat (x402 Pay-Per-Call)

x402

Model Access Gateway – DeepSeek Chat (x402 Pay-Per-Call) is a paid API for AI agents from modelaccessgateway.com, paid per call via x402, $0.0014/call, status unknown (last checked 2026-10-16).

Runs a DeepSeek Chat inference call via an OpenAI-compatible chat completions API, billed per call in USDC on Base with no API key required.

Price / call$0.0014

Seller volume →—

Success—

StatusUnknown

How this service works

LLM inference API: OpenAI-compatible chat completions for 136 AI models (Claude, GPT, Gemini, Grok, DeepSeek, Qwen, Kimi, GLM), paid per call in USDC on Base with x402. No account, no API key, automatic refund if the model fails.

Output

Returns an OpenAI-compatible chat.completion JSON object containing the assistant's reply message, finish reason, token usage breakdown (prompt, completion, total), model identifier, and a unique completion ID. Streaming mode delivers server-sent events instead.

Example use cases

Autonomous agent reasoning step

“Use DeepSeek Chat to reason through this customer support ticket and suggest the best resolution. Keep the response under 300 tokens and make sure you pay per call so we don't need to manage API keys.”

Structured JSON extraction from text

“Ask DeepSeek Chat to extract the key entities from this paragraph and return them as a JSON object — use response_format JSON mode and limit output to 1024 tokens.”

Streaming code explanation in real time

“Have DeepSeek Chat walk me through this Python function line by line with streaming turned on so I can see the explanation as it comes in, using the pay-per-call USDC gateway.”

Technical details

Endpoint

POSThttps://modelaccessgateway.com/llm/deepseek-chat?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need DeepSeek Chat specifically (strong coding and reasoning capabilities), want to avoid API key management, need per-call crypto billing in USDC with automatic refunds on failure, or are building autonomous agents that self-fund LLM calls on Base. Prefer it over managed DeepSeek accounts when operating keyless or in decentralized environments.

Side effects

Payment failure or insufficient USDC balance — call rejected before inference begins
Model-side error triggers automatic refund — no charge for failed completions
messages array empty or missing — 400 validation error
max_tokens out of range (must be 1–16384) — request rejected
Network timeout during streaming — partial SSE stream
Unsupported tool schema — may cause unexpected behavior

Input

Schema · Request body

Field	Type	Description
model	string	Optional: fixed by the route (deepseek/deepseek-chat)
tools	array
stream	boolean	true: server-sent events after payment
messages	array
max_tokens	integer	Optional, default 4096
temperature	number
response_format	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "id": "chatcmpl-7f3c2a91",
    "model": "deepseek/deepseek-chat",
    "usage": {
      "total_tokens": 10,
      "prompt_tokens": 9,
      "completion_tokens": 1
    },
    "object": "chat.completion",
    "choices": [
      {
        "index": 0,
        "message": {
          "role": "assistant",
          "content": "OK"
        },
        "finish_reason": "stop"
      }
    ],
    "created": 1791979200
  }
}

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