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Cheapest x402 routing APIs

21 x402 routing APIs catalogued, ranked by price per call (cheapest first). Updated June 17, 2026.

Top pick76GPT-5.5 Compact Chat x40260% uptime · from $0.0001 – $0.066667/call
BestCheapestMost reliable
#API
17660%652 ms$0.0001 – $0.06666779$0.18*85Payments per day, last 7 days
277%22 ms$0.0005 – $49227——
35252%336 ms$0.0011——
400%32 ms$0.0011——
55656%27 ms$0.0011——
600%22 ms$0.001 – $0.05373——
77152%750 ms$0.001 – $0.0053$7.8060Payments per day, last 7 days
899%100 ms$0.003 – $1012——
94545%336 ms$0.005 – $0.013——
106246%2689 ms$0.005 – $0.058$39.2191Payments per day, last 7 days
1100%24 ms$0.005 – $0.0111——
128383%278 ms$0.005 – $0.589$92.307,504Payments per day, last 7 days
135858%33 ms$0.0051——
1400%33 ms$0.005 – $0.012——
155555%220 ms$0.0051——
166060%80 ms$0.0051——
175252%916 ms$0.012——
185757%524 ms$0.011——
195555%436 ms$0.011——
2000%1642 ms$0.011——
216767%1092 ms—1——

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?
GPT-5.5 Compact Chat x402, with the highest x402radar Trust score (76).
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.