$0.005
per call · USD Coin on Base
SYNTHORA LLM Gateway SMART: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Large free-tier models (llama-3.3-70b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {"messages":[{"role":"user","content":"..."}]} (or {"prompt":"..."}).
Endpoint
POST https://llm-smart.hergertsynthora.com/v1/chat/completions1
Calls / 30d
1
Unique payers / 30d
Aug 13
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://llm-smart.hergertsynthora.com/v1/chat/completions", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"messages": [
{
"content": "Say hello in one word",
"role": "user"
}
],
"model": "llm-smart"
}),
});
const data = await res.json();curl -X POST \
"https://llm-smart.hergertsynthora.com/v1/chat/completions" \
-H "Content-Type: application/json" \
-d '{"messages":[{"content":"Say hello in one word","role":"user"}],"model":"llm-smart"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"niche": "llm_smart",
"ok": true,
"receipt": {},
"result": {}
}Payment details
0x10800a5a5b9d72251566ec651e862a8b4b427de0USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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