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Most reliable x402 On-chain Data APIs

100 x402 On-chain Data APIs catalogued, ranked by measured uptime. Updated September 15, 2026.

Top pick86SniperX100% uptime · from $0.001 – $0.1/call
BestCheapestMost reliableAll On-chain Data →
#API
1$604.79*▼ 12.7%30,234+▼ 89.5%$0.001 – $0.123178 ms86
2$17.05*▼ 8.3%415▼ 57.7%$0.001 – $5164520 ms83
3$0.20*▼ 90.0%2$0.05 – $13143 ms59
4——$0.081589 ms—
5——$0.011169 ms—
6——$0.03 – $0.156349 ms—
7——$0.01446 ms—
8$2.08*▲ 999.0%10▼ 100.0%$0.014148 ms67
9$7.37*444▼ 100.0%$0.001244 – $0.03110445791 ms87
10$0.03*▲ 200.0%3▲ 100.0%$0.001 – $0.01376 ms61
11——$12158 ms—
12——$0.184516 ms—
13—2$0.002 – $0.012776 ms59
14$0.60*▼ 14.3%12$0.003 – $0.05828 ms68
15——$52174 ms—
16$0.11*21▲ 100.0%$0.0052295 ms71
17$4.31▼ 34.3%131▲ 133.3%$0.001 – $1.7749421 ms80
18$0.13*5▼ 100.0%$0.001 – $0.14478 ms63
19$0.13▼ 63.9%47▲ 0.0%$0.001 – $0.051787 ms75
20$4.33*229▼ 100.0%$0.00128118 ms83
21——$0.002140 ms—
22$9.00*▼ 66.8%5▲ 100.0%$0.005 – $58259 ms63
23$16.00*16$11351 ms64
24$4.73*▲ 999.0%473▼ 73.3%$0.01 – $0.024415 ms87
25$0.09*26▲ 100.0%$0.012128 ms72
26$8.92*11▼ 100.0%—31751 ms67
27——$0.01147 ms—
28——$0.11126 ms—
29———689 ms—
30$0.35*▲ 0.0%2$0.1 – $0.254111 ms59
31———749 ms—
32$2.65*▲ 999.0%53$0.05159 ms73
33——$0.02 – $0.052391 ms—
34$5.00*5▼ 100.0%$11232 ms63
35——$0.6511957 ms—
36$1.68*▲ 441.9%52$0.001 – $0.2516380 ms76
37$0.42*17▼ 100.0%—1547 ms70
38$0.03*▼ 90.3%5$0.002 – $0.0152067 ms63
39$0.22*▲ 450.0%22▲ 0.0%$0.011684 ms71
40$0.34*54▼ 78.9%$0.02294 ms76
41$1.00*▼ 13.0%9▼ 100.0%$0.05 – $0.156257 ms66
42$5.75*▲ 167.4%115▼ 100.0%$0.056589 ms79
43$0.02*7▲ 300.0%$0.001 – $0.017317 ms65
44$2.13*▲ 184.0%153▼ 50.0%$0.01 – $0.2538146 ms81
45——$0.112423 ms—
46—1▲ 100.0%$0.0032360 ms—
47$0.27*▼ 49.1%13$0.002 – $0.03288 ms68
48$1.04▲ 62.5%1,042▼ 90.1%$0.0051121 ms91
49——$0.12369 ms—
50$0.10*3▲ 100.0%$0.001 – $0.052170 ms61
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FAQ

What is the cheapest x402 On-chain Data API?
SniperX — from $0.001 – $0.1 per call.
Which x402 On-chain Data API is the most reliable?
SniperX, at 100% measured uptime.
What is the best x402 On-chain Data API right now?
SniperX, with the highest 402radar Trust score (86).
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.