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List

Most reliable x402 verification APIs

24 x402 verification APIs catalogued, ranked by measured uptime. Updated September 15, 2026.

Top pick79Mru-oracle100% uptime · from $0.001 – $0.015/call
BestCheapestMost reliable
#API
1$0.18107▼ 66.7%$0.001 – $0.01528208 ms79
2$3.4447▼ 50.0%$0.001 – $15132 ms71
3$0.0911▼ 50.0%$0.005 – $0.153526 ms67
4——$0.001 – $0.0537385 ms—
5——$0.01196 ms—
6$0.04*2$0.005 – $0.023198 ms—
7——$0.011113 ms—
8——$0.0011144 ms—
9——$0.005 – $0.0217288 ms—
10——$0.0052228 ms—
11——$0.01198 ms—
12——$0.0011137 ms—
13——$0.001 – $0.01595 ms—
14——$0.01197 ms—
15——$0.0005 – $49227212 ms—
16——$0.05 – $0.39206 ms—
17——$0.001 – $0.0055332 ms—
18——$0.1 – $1.55114 ms—
19——$0.01196 ms—
20——$0.005 – $0.012108 ms—
21——$0.0001 – $10238786 ms—
22$605.73*30,281+▼ 89.5%$0.001 – $0.123178 ms55
23——$0.00005 – $0.00527——
24——$0.00110——

FAQ

What is the cheapest x402 verification API?
Notify — from $0.00005 – $0.005 per call.
Which x402 verification API is the most reliable?
Mru-oracle, at 100% measured uptime.
What is the best x402 verification API right now?
Mru-oracle, with the highest 402radar Trust score (79).
How are these x402 verification APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.