GPT55 API Key + URL Quota Pack
https://gpt55.558686.xyz/v1/paid/api-codex-key-pack-10Overview
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 now starts with GPT-5.6 Soul using upstream gpt-5.6-sol, plus gpt-5.6 alias, 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.
Health
x402 Payment Validation
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-08-24 15:36:41 | healthy | 402 | 708ms | |
| 2026-08-24 07:27:10 | healthy | 402 | 801ms | |
| 2026-08-23 22:31:55 | healthy | 402 | 1990ms | |
| 2026-08-23 17:40:35 | healthy | 402 | 1006ms | |
| 2026-08-23 08:33:58 | healthy | 402 | 741ms | |
| 2026-08-23 04:29:13 | healthy | 402 | 1155ms | |
| 2026-08-22 21:35:37 | healthy | 402 | 741ms | |
| 2026-08-22 10:08:19 | healthy | 402 | 2164ms | |
| 2026-08-22 03:56:36 | healthy | 402 | 1172ms | |
| 2026-08-22 00:18:01 | healthy | 402 | 663ms | |
| 2026-08-21 16:20:34 | healthy | 402 | 1345ms |