Premium OpenAI-compatible GPT-5.5 chat route for stronger reasoning, production work, code, and structured responses. Quote-first x402 endpoint with Base USDC and advertised Solana USDC settlement options. Live cap is $0.091 per request.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5'
Endpoint: https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5. Operated by gpt55.558686.xyz, not by Animica. Price and availability were correct at the last probe on 2026-08-28 and are set by the operator, who may change them.
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