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List

Most reliable x402 Utility & Tools APIs

45 x402 Utility & Tools APIs catalogued, ranked by measured uptime. Updated June 23, 2026.

Top pick59Quantum Chakaap100% uptime · from $0.002/call
BestCheapestMost reliableAll Utility & Tools →
# API
1 — — $0.001 1 176 ms —
2 — — $0.002 1 93 ms 59
3 — — $0.01 – $0.1 6 308 ms —
4 $1.10* 76 ▼ 43.9% $0.01 – $0.05 10 419 ms 78
5 — — $0.005 1 316 ms —
6 — — $0.001 1 180 ms —
7 $0.35* ▼ 69.6% 46 ▼ 14.3% $0.005 – $0.01 4 189 ms 75
8 $0.68 206 ▼ 25.4% $0.002 – $0.005 10 91 ms 83
9 $0.27 ▲ 999.0% 45 ▼ 75.0% $0.001 – $0.01 23 88 ms 73
10 — — $0.001 1 1910 ms —
11 — — $0.001 1 34 ms —
12 — — $0.001 1 48 ms —
13 — — $0.005 1 373 ms —
14 — — $0.001 1 104 ms —
15 — — $0.001 1 153 ms —
16 — — $0.005 1 57 ms —
17 — — $0.001 1 30 ms —
18 — — $0.002 1 118 ms —
19 — — $0.001 1 291 ms —
20 — — $0.005 1 117 ms —
21 — — $0.005 1 166 ms —
22 — — $0.001 1 506 ms —
23 — — $0.005 1 481 ms —
24 — — $0.0025 1 441 ms —
25 — — $0.01 1 158 ms —
26 — — $0.005 1 385 ms —
27 — — $0.005 1 40 ms —
28 — — $0.001 1 149 ms —
29 — — $0.001 1 65 ms —
30 — — $0.005 1 106 ms —
31 — — $0.01 1 365 ms —
32 — — $0.001 1 370 ms —
33 — — $0.005 1 236 ms —
34 — — $0.001 2 1510 ms —
35 — — $0.005 – $0.01 3 69 ms —
36 — — $1 2 1348 ms —
37 — — $0.001 – $0.01 5 90 ms —
38 — — $0.005 1 3525 ms —
39 — — $0.001 1 37 ms —
40 — — $0.005 1 1745 ms —
41 — — $0.005 1 1744 ms —
42 — — $0.005 1 1744 ms —
43 — — $0.001 1 35 ms —
44 — — $0.005 1 33 ms —
45 — — $0.005 1 1748 ms —
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FAQ

What is the cheapest x402 Utility & Tools API?
dns.agentutil.net — from $0.001 per call.
Which x402 Utility & Tools API is the most reliable?
dns.agentutil.net, at 100% measured uptime.
What is the best x402 Utility & Tools API right now?
Quantum Chakaap, with the highest 402radar Trust score (59).
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.