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List

Best x402 routing APIs

21 x402 routing APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated September 27, 2026.

Top pick90Scout100% uptime · from $0.005 – $1/call
BestCheapestMost reliable
#API
1$8.30950▼ 37.4%$0.005 – $192753 ms90
2$0.2423▼ 80.0%$0.004 – $0.117203 ms71
3$9.41*15▲ 100.0%$0.0001 – $10241746 ms69
4——$0.001 – $0.0537338 ms—
5——$0.001 – $0.124——
6——$0.0005 – $49227181 ms—
7——$0.005 – $0.01360 ms—
8——$0.005129 ms—
9——$0.0051194 ms—
10——$0.0051176 ms—
11——$0.003 – $101240 ms—
12——$0.001134 ms—
13——$0.0121083 ms—
14——$0.0011410 ms—
15——$0.005 – $0.0111——
16——$0.005 – $0.01235 ms—
17———1682 ms—
18——$0.001133 ms—
19——$0.011455 ms—
20——$0.001 – $0.0055579 ms—
21——$0.011197 ms—

FAQ

What is the cheapest x402 routing API?
gpt55.558686.xyz — from $0.0001 – $10 per call.
Which x402 routing API is the most reliable?
Scout, at 100% measured uptime.
What is the best x402 routing API right now?
Scout, with the highest 402radar Trust score (90).
How are these x402 routing APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.