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Cheapest x402 Utility & Tools APIs

64 x402 Utility & Tools APIs catalogued, ranked by price per call (cheapest first). Updated September 15, 2026.

Top pick70api.x402card.org100% uptime · from $0.47 – $0.75/call
BestCheapestMost reliableAll Utility & Tools
#API
1$14.78*21 77.8%$0.47 – $0.752528 ms70
2$0.012 – $0.1112477 ms
3$0.01 – $0.16312 ms
4$0.34* 30.8%34 100.0%$0.01 – $0.0510519 ms73
5$0.011140 ms
6$1.38* 45.2%54$0.006 – $0.7556149 ms76
7$0.005179 ms
8$0.0051116 ms
9$0.0051
10$0.0051204 ms
11$0.0051136 ms
12$0.005145 ms
13$0.005 – $0.01346 ms
14$0.0051342 ms
15$0.0051345 ms
16$0.0051
17$0.0051214 ms
18$0.0051222 ms
19$0.0051
20$0.005152 ms
21$0.00513990 ms
22$0.005 – $0.014122 ms
23$0.46* 51.1%92 25.0%$0.005 – $0.0259288 ms79
24$0.0051470 ms
25$22.99* 999.0%4,592$0.005 – $0.01572969 ms77
26$0.0051513 ms
27$0.54* 86.8%30 50.0%$0.005 – $0.0524208 ms73
28$0.0021136 ms
29$3.21* 22.5%1,430 462.5%$0.002 – $0.0041031 ms90
30$3.21* 22.5%1,430 462.5%$0.002 – $0.0051031 ms90
31$0.0021100 ms
32$4.08 27.4%594 93.5%$0.001 – $0.057031 ms80
33$0.0011281 ms
34$0.001138 ms
35$0.00111868 ms
36$0.001136 ms
37$0.33* 50.7%133 80.0%$0.0011153 ms80
38$0.0011431 ms
39$0.0011128 ms
40$1.81*214 92.8%$0.001 – $0.2581120 ms79
41$0.0011
42$0.0011188 ms
43$0.15* 46.4%149 50.0%$0.0011149 ms81
44$7.00* 241.5%7 100.0%$0.001 – $1917 ms65
45$0.04* 33.3%35 100.0%$0.0011386 ms74
46$0.21 43.2%22 100.0%$0.001 – $0.014935 ms71
47$0.001 – $0.01595 ms
48$3.21* 22.5%1,430 462.5%$0.0012009 ms93
49$0.0011502 ms
50$0.0011287 ms
64 rows · page 1/2

FAQ

What is the cheapest x402 Utility & Tools API?
Address Intel — FiatDock — from $0.00099 – $0.05 per call.
Which x402 Utility & Tools API is the most reliable?
api.x402card.org, at 100% measured uptime.
What is the best x402 Utility & Tools API right now?
api.x402card.org, with the highest 402radar Trust score (70).
How are these x402 Utility & Tools APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.