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x402engine: GPT-5.4

https://x402-gateway-production.up.railway.app/api/llm/gpt-5.4

Overview

OpenAI GPT-5.4 inference via pay-per-call. No API key needed.

Protocol x402 (POST)
Price $0.10
Payment Asset USDC
Payment Network Base
Category ai
Provider x402engine
Source discovery
Indexed 2026-03-16 15:28:48

Health

Status healthy
Latency (p50) 329ms
Uptime (30d) 100.0%
Reliability Score 92/100
Last Checked 2026-03-21 02:28:39
Last Healthy 2026-03-21 02:28:39
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator

Recent Health Checks

Time Status HTTP Latency Error
2026-03-21 02:28:39 healthy 402 372ms
2026-03-21 01:31:25 healthy 402 322ms
2026-03-21 00:30:35 healthy 402 309ms
2026-03-20 23:01:53 healthy 402 329ms
2026-03-20 22:13:13 healthy 402 315ms
2026-03-20 21:31:40 healthy 402 314ms
2026-03-20 20:22:55 healthy 402 311ms
2026-03-20 19:45:31 healthy 402 317ms
2026-03-20 19:08:28 healthy 402 338ms
2026-03-20 18:17:12 healthy 402 323ms
2026-03-20 17:17:48 healthy 402 315ms
2026-03-20 16:01:28 healthy 402 329ms
2026-03-20 15:35:14 healthy 402 329ms
2026-03-20 14:41:54 healthy 402 322ms
2026-03-20 13:57:52 healthy 402 493ms
2026-03-20 12:48:02 healthy 402 340ms
2026-03-20 11:52:27 healthy 402 342ms
2026-03-20 10:42:02 healthy 402 372ms
2026-03-20 09:48:12 healthy 402 323ms
2026-03-20 08:43:11 healthy 402 342ms