80trust / 100

Chat Completions

by Keyless in AI models & inference

x402 APIPassing, checked 3 h ago

LLM chat completion with no API key or signup (Claude Haiku class, anthropic/claude-haiku-4.5). OpenAI-compatible: set your SDK base URL to https://keyless.run/smart/v1. Flat $0.01 per call, up to 1000 output tokens. Charged only on success.

POST https://keyless.run/smart/v1/chat/completions

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
240 ms typical, 240 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://keyless.run/smart/v1/chat/completions" \
  -H "content-type: application/json" \
  -d '{"max_tokens":100,"messages":[{"content":"Say hello in five words.","role":"user"}]}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fkeyless.run%2Fsmart%2Fv1%2Fchat%2Fcompletions
const res = await pay("https://keyless.run/smart/v1/chat/completions", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"max_tokens":100,"messages":[{"content":"Say hello in five words.","role":"user"}]}),
});
console.log(await res.json());

Example input

{
  "max_tokens": 100,
  "messages": [
    {
      "content": "Say hello in five words.",
      "role": "user"
    }
  ]
}

Example output

{
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "message": {
        "content": "Hello there, nice meeting you.",
        "role": "assistant"
      }
    }
  ],
  "id": "gen-1",
  "model": "anthropic/claude-haiku-4.5",
  "object": "chat.completion",
  "usage": {
    "completion_tokens": 7,
    "prompt_tokens": 14
  }
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402240 ms$0.01