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Cheapest x402 Utility & Tools APIs

100 x402 Utility & Tools APIs catalogued, ranked by price per call (cheapest first). Updated November 2, 2026.

Top pick68SolarPulse100% uptime · from $0.1/call
BestCheapestMost reliableAll Utility & Tools →
#API
1$0.47*▼ 96.6%1$0.47 – $0.752484 ms—
2$0.13*▼ 91.3%13▲ 300.0%$0.11388 ms68
3$11.72*1,122▼ 26.0%$0.0201281142 ms92
4$11.72*1,122▼ 26.0%$0.0200691161 ms92
5$0.58*▲ 544.4%32$0.02156 ms73
6$30.48*▲ 999.0%1,314▲ 100.0%$0.029413 ms81
7$0.06*▲ 200.0%3▲ 0.0%$0.022421 ms—
8$30.48*▲ 999.0%1,314▲ 100.0%$0.0210441 ms84
9$30.48*▲ 999.0%1,314▲ 100.0%$0.0212551 ms83
10$30.48*▲ 999.0%1,314▲ 100.0%$0.02 – $0.059386 ms80
11$30.48*▲ 999.0%1,314▲ 100.0%$0.028431 ms82
12$30.48*▲ 999.0%1,314▲ 100.0%$0.02 – $0.037399 ms81
13——$0.012 – $0.2614507 ms—
14——$0.011102 ms—
15$8.07*▼ 34.2%766▼ 26.9%$0.011—53
16$41.97*3$0.01 – $0.16420 ms—
17$0.04*4▼ 100.0%$0.011744 ms—
18$0.04*4▲ 100.0%$0.0117254 ms—
19——$0.011——
20$0.13*▼ 61.8%13▼ 100.0%$0.01 – $0.0510239 ms68
21$16.03*285▼ 100.0%$0.011338 ms84
22$43.73*232▲ 30.0%$0.01 – $212105 ms83
23$43.73*232▲ 30.0%$0.011283 ms83
24$0.10*▼ 52.4%8▲ 100.0%$0.011284 ms66
25$19.29*▲ 999.0%692▼ 100.0%$0.0091250 ms89
26$0.65*▲ 999.0%19$0.006 – $0.7558151 ms70
27——$0.0051——
28$0.05*▼ 79.2%1$0.005 – $0.05466 ms—
29——$0.0051——
30——$0.0051——
31——$0.0051——
32——$0.0051——
33$0.56*31▼ 100.0%$0.0051144 ms73
34——$0.0051——
35——$0.0051——
36——$0.0051——
37$0.51*61▲ 100.0%$0.005 – $0.0122681 ms76
38——$0.0051——
39——$0.005 – $0.01490 ms—
40——$0.0051——
41——$0.0051——
42$0.72*▲ 157.1%108▲ 200.0%$0.005 – $0.03510292 ms79
43——$0.0051——
44——$0.0051——
45$11.72*1,122▼ 26.0%$0.0051150 ms92
46$0.13*▼ 91.3%13▲ 300.0%$0.00511030 ms68
47——$0.005 – $0.01571540 ms—
48——$0.0051——
49——$0.0051——
50——$0.0051——
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FAQ

What is the cheapest x402 Utility & Tools API?
Address Intel — FiatDock — from $0.00099 – $0.5 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?
SolarPulse, with the highest 402radar Trust score (68).
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.