Returns Claude 4.5 Sonnet completion (query ?model for gpt-5, gpt-4o, gemini-pro, gemini-3.1-pro; optional ?system= sets a system prompt/persona). Agents: complex analysis, synthesis, high-quality drafting needing frontier models. Keywords: frontier LLM, AI completion API, advanced reasoning, text generation, Claude API, system prompt. Keyless, pay-per-call USDC on Base/Solana, $0.08/call, no signup.
$0.08 / call paid in USDC on Base via x402 — no API key, no signup.
GET https://api.gocreativeai.com/v1/ai/pro/{arg}
curl https://api.gocreativeai.com/v1/ai/pro/example # → HTTP 402 Payment Required (price quote) # your x402 client autopays in USDC and retries # → 200 OK with clean JSON
import httpx
from x402.clients.httpx import x402_payment_required
with httpx.Client() as c:
c.event_hooks["response"]=[x402_payment_required(wallet_private_key="0x_YOUR_KEY",network="base")]
data = c.get("https://api.gocreativeai.com/v1/ai/pro/example").json()
Part of 730 pay-per-call APIs for AI agents. Native MCP server. Machine-readable catalog at /.well-known/x402.