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Most reliable x402 On-chain Data APIs

100 x402 On-chain Data APIs catalogued, ranked by measured uptime. Updated November 3, 2026.

Top pick73MACH Base100% uptime · from $0.005 – $0.008/call
BestCheapestMost reliableAll On-chain Data →
#API
1$0.16*▲ 33.3%30$0.005 – $0.008237 ms73
2$0.13*11$0.011358 ms67
3——$0.031211 ms—
4$0.09*▲ 800.0%9▲ 200.0%$0.0091424 ms66
5$0.02*7▼ 100.0%—12301 ms65
6——$0.014——
7$0.24*▼ 98.7%23▲ 50.0%$0.008 – $0.0371047 ms71
8$0.05*▼ 78.3%3▲ 100.0%$0.01 – $1519479 ms—
9$10.66*114▲ 178.6%$0.01 – $0.12567 ms75
10$1.65*▼ 59.9%45▲ 0.0%$0.01 – $0.31580 ms74
11$0.01*7▼ 100.0%$0.0012332 ms65
12——$0.01177 ms—
13——$0.0057104 ms—
14$0.75*6▼ 100.0%$0.051303 ms64
15$1.02*2▲ 100.0%$0.02789 ms—
16——$0.011——
17$1.47*67▼ 15.2%$0.005166 ms77
18$0.02*▼ 85.7%4▼ 100.0%$0.0052130 ms—
19$0.30*16▲ 999.0%$0.01 – $0.0214288 ms69
20$0.13*12▼ 66.7%$0.021532 ms68
21$0.66*51▲ 999.0%$0.002 – $0.0032967 ms75
22——$0.081——
23$2.54*85▲ 44.8%$0.02 – $0.1636336 ms78
24——$0.184511 ms—
25——$0.011——
26$7.88*▲ 999.0%563▼ 97.3%$0.005 – $0.05198172 ms88
27——$0.003 – $0.0053667 ms—
28——$0.0052619 ms—
29$0.03*▼ 81.3%11▲ 0.0%$0.001 – $0.059152 ms67
30——$0.015 – $0.1759 ms—
31$1.04*10$0.0005 – $0.0116690 ms67
32———690 ms—
33$29.43*▲ 177.4%1,052▼ 100.0%$0.014 – $0.0285284 ms83
34$6.55*20$0.15 – $0.53156 ms71
35——$12118 ms—
36$4.90▲ 16.1%259▼ 52.5%$0.001 – $1.7749456 ms84
37$0.06*▼ 81.8%15▼ 100.0%$0.001 – $0.2516594 ms69
38$41.74*▲ 999.0%30▼ 100.0%$0.01 – $1013470 ms73
39$2.11*551▼ 68.1%$0.002 – $0.5185204 ms88
40$1.89*113▲ 0.0%$0.001122 ms80
41$12.90*170▲ 100.0%$0.003 – $1.4926304 ms82
42$50.07*▲ 22.5%878▼ 65.6%$0.11273 ms80
43$2.10*19▲ 0.0%$0.05 – $0.156213 ms70
44$16.03*285▼ 100.0%$0.031546 ms80
45$0.04*▲ 33.3%4$0.011190 ms—
46——$0.01 – $0.156——
47$1.01*▲ 1.0%82▲ 999.0%$0.001 – $0.3539181 ms78
48——$0.011——
49——$0.021364 ms—
50$261.38*312▼ 65.5%$0.0051124 ms85
100 rows · page 1/2

FAQ

What is the cheapest x402 On-chain Data API?
Ai-policy-kit — from $0.0005 – $0.01 per call.
Which x402 On-chain Data API is the most reliable?
MACH Base, at 100% measured uptime.
What is the best x402 On-chain Data API right now?
MACH Base, with the highest 402radar Trust score (73).
How are these x402 On-chain Data APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.