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 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.

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) 1006ms
Uptime (30d) 100.0%
Reliability Score 85/100
Last Checked 2026-08-24 15:36:41
Last Healthy 2026-08-24 15:36:41
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator

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