x402radar
List

Most reliable x402 routing APIs

21 x402 routing APIs catalogued, ranked by measured uptime. Updated June 17, 2026.

Top pick83Scout83% uptime · from $0.005 – $0.5/call
BestCheapestMost reliable
#API
18383%278 ms$0.005 – $0.589$92.307,504Payments per day, last 7 days
26767%1092 ms—1——
37660%652 ms$0.0001 – $0.06666779$0.18*85Payments per day, last 7 days
46060%80 ms$0.0051——
55858%33 ms$0.0051——
65757%524 ms$0.011——
75656%27 ms$0.0011——
85555%220 ms$0.0051——
95555%436 ms$0.011——
107152%750 ms$0.001 – $0.0053$7.8060Payments per day, last 7 days
115252%336 ms$0.0011——
125252%916 ms$0.012——
136246%2689 ms$0.005 – $0.058$39.2191Payments per day, last 7 days
144545%336 ms$0.005 – $0.013——
1599%100 ms$0.003 – $1012——
1677%22 ms$0.0005 – $49227——
1700%32 ms$0.0011——
1800%33 ms$0.005 – $0.012——
1900%22 ms$0.001 – $0.05373——
2000%24 ms$0.005 – $0.0111——
2100%1642 ms$0.011——

FAQ

What is the cheapest x402 routing API?
GPT-5.5 Compact Chat x402 — from $0.0001 – $0.066667 per call.
Which x402 routing API is the most reliable?
Scout, at 83% measured uptime.
What is the best x402 routing API right now?
Scout, with the highest x402radar Trust score (83).
How are these x402 routing APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.