Overview

OpenAI-compatible API key plus base URL delivered after x402 payment. Best for agents and apps that need low-latency, high-frequency model calls without signing a payment header on every request. The paid response returns the buyer-owned API key, base_url https://sub2api.558686.xyz/v1, chat completions URL, models URL, quota metadata, and receipt evidence. Callable model range: gpt-5.4-mini, gpt-5.5, gpt-5.3-codex, and gpt-5.4. $10 model quota pack live quote is $1.11112 over x402 Base USDC or Solana USDC when advertised.

Protocol x402
Price
Payment Asset
Payment Network
Category ai/api
Provider gpt55
Source self-registered
Indexed 2026-07-02 06:36:41

Health

Status healthy
Latency (p50)
Uptime (30d)
Reliability Score
Last Checked Never
Last Healthy Never
Consecutive Failures 0

x402 Payment Validation

Payment Requirements
Asset Verified
Facilitator