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Best x402 Market Data APIs

52 x402 Market Data APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated November 5, 2026.

Top pick97Otto AI100% uptime · from $0.001 – $0.5/call
BestCheapestMost reliableAll Market Data →
#API
1$21.46▼ 52.9%3,277▲ 197.9%$0.001 – $0.5112264 ms97
2$12.45*1,323▼ 67.3%$0.0202031166 ms92
3$12.45*1,323▼ 67.3%$0.0201161158 ms92
4$12.45*1,323▼ 67.3%$0.0200211144 ms92
5$20.52*506▼ 59.1%$0.004 – $0.0085178 ms86
6$16.05*287▲ 100.0%$0.0051430 ms84
7$11.02*▲ 51.4%242▼ 88.0%$0.01 – $0.023576 ms83
8$7.61*233▼ 100.0%$0.005 – $0.051076 ms83
9$0.78*193▼ 59.1%$0.002 – $0.01560 ms82
10$0.56*154▼ 66.7%$0.001 – $0.0036768 ms81
11$23.60*▲ 36.2%717▼ 14.3%$0.01 – $0.2582269 ms80
12$0.46▼ 9.8%133▼ 77.3%$0.001 – $0.1205251150 ms80
13$1.68*129▼ 70.0%$0.003 – $0.0211302 ms80
14$0.82*▲ 300.0%255▲ 270.6%$0.003 – $0.006418 ms79
15$0.31*103▼ 68.8%$0.002330 ms79
16$0.76*86▼ 96.1%$0.005 – $0.035140 ms78
17$10.41*78▼ 100.0%$0.015 – $0.052204 ms78
18$0.69*▲ 38.0%80▼ 75.0%$0.005 – $0.019292 ms78
19$76.96▲ 5.4%345▼ 92.9%$0.0025 – $1.2525482 ms77
20$15.53*49▼ 80.0%$0.01 – $329122 ms75
21$0.30*42▼ 100.0%$0.01 – $3.99530 ms74
22$1.85*▼ 54.9%37▼ 92.0%$0.01 – $0.338921 ms74
23$0.84*34▼ 100.0%$0.051237 ms73
24$0.84*34▼ 100.0%$0.052214 ms73
25$0.56*31$0.011280 ms73
26$0.05*15$0.001 – $0.0052224 ms69
27$2.03*▲ 75.0%135▼ 91.7%$0.01523284 ms67
28$0.05*9▼ 100.0%$0.0052124 ms66
29$0.10*▲ 400.0%8$0.013106 ms66
30$0.02*9▲ 100.0%$0.0011510 ms66
31$16.05*287▲ 100.0%$0.081383 ms65
32$0.03*7▼ 100.0%$0.011148 ms65
33$0.40*6▼ 100.0%$0.05 – $0.1214 ms64
34$3.04*7$0.01 – $52222 ms61
35$0.51*11$0.01 – $0.052971 ms59
36——$0.001 – $335964——
37$0.04*4▲ 100.0%$0.011179 ms—
38——$0.011 – $0.21119344 ms—
39——$0.015 – $118406 ms—
40——$0.005 – $0.16133 ms—
41——$0.001 – $0.251414 ms—
42——$0.022230 ms—
43$0.01*▼ 91.7%1$0.005 – $0.05107304 ms—
44——$0.012108 ms—
45——$0.053175 ms—
46——$0.005 – $0.03436 ms—
47—1$0.0031126 ms—
48—1$0.0031144 ms—
49———2——
50——$0.0013——
52 rows · page 1/2

FAQ

What is the cheapest x402 Market Data API?
Otto AI — from $0.001 – $0.5 per call.
Which x402 Market Data API is the most reliable?
Otto AI, at 100% measured uptime.
What is the best x402 Market Data API right now?
Otto AI, with the highest 402radar Trust score (97).
How are these x402 Market Data APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.