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Best x402 On-chain Data APIs

85 x402 On-chain Data APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated June 22, 2026.

Top pick93Loyalspark64% uptime · from $0.001 – $0.005/call
BestCheapestMost reliableAll On-chain Data →
# API
1 $109.64 ▲ 123.4% 15,752 ▲ 21.8% $0.001 – $0.005 22 145 ms 93
2 $9.94 ▼ 72.2% 1,594 ▼ 32.8% $0.001 – $0.05 31 699 ms 92
3 $38.77 ▲ 326.5% 9,169 ▼ 10.0% $0.001013 – $0.010167 34 222 ms 92
4 $694.21* ▼ 65.4% 14,004 ▼ 80.0% $0.001 – $0.09 4 522 ms 92
5 $107.61 ▲ 999.0% 940 ▲ 111.8% $0.001 – $1.77 44 367 ms 91
6 $5.59 ▼ 49.0% 592 ▲ 128.6% $0.001 15 18 ms 88
7 $678.06* 33,891+ ▼ 0.9% $0.001 – $0.1 23 178 ms 87
8 $11.45 ▲ 15.1% 2,265 ▼ 28.6% $0.0021 – $0.02 70 395 ms 86
9 $95.54* ▲ 484.0% 606 ▼ 62.4% $0.02 – $2 39 269 ms 85
10 $133.44 ▲ 491.8% 3,273 ▲ 201.3% $0.0022 – $4.99 676 147 ms 83
11 $0.19* ▼ 86.2% 186 ▲ 37.5% $0.001 1 345 ms 82
12 $18.11* 182 ▲ 4.8% $0.001 – $0.2 483 55 ms 82
13 $0.97* 166 ▼ 37.5% $0.002 – $0.015 20 44 ms 82
14 $112.91 ▲ 22.2% 4,853 ▼ 54.4% $0.01 – $7.5 123 161 ms 82
15 $441.45 ▲ 50.2% 5,212 ▲ 34.0% $0.05 – $0.2 7 144 ms 80
16 $4.0k ▲ 93.1% 113 ▼ 40.0% $0.001 – $103.8 17 169 ms 80
17 $0.21 115 ▲ 67.6% $0.001 11 21 ms 80
18 $0.88 ▲ 999.0% 81 ▼ 94.1% $0.002 – $0.05 14 90 ms 78
19 $146.87 ▲ 44.9% 1,114 ▼ 22.0% $0.01 – $2 56 87 ms 78
20 $12.11* 82 ▼ 22.2% $0.005 – $1.49 17 174 ms 77
21 $5.24* ▼ 61.7% 177 $0.01 – $0.5 107 180 ms 76
22 $3.65* ▲ 106.2% 55 ▼ 75.0% $0.02 – $0.2 4 199 ms 76
23 $0.81 ▲ 211.5% 36 ▼ 33.3% $0.002 – $0.1 32 294 ms 73
24 $0.04 ▲ 300.0% 34 $0.001 1 47 ms 73
25 $3.05* ▼ 56.5% 28 ▼ 44.4% $0.001 – $0.3 20 73 ms 72
26 $0.26* ▲ 999.0% 26 ▲ 0.0% $0.01 10 100 ms 72
27 $0.05* ▲ 66.7% 25 ▼ 66.7% $0.002 – $0.1 9 19 ms 71
28 $9.00* 18 ▲ 100.0% $0.1 – $1 4 249 ms 70
29 $1.21* ▼ 81.3% 17 ▲ 100.0% $0.01 6 157 ms 70
30 $0.97* 17 ▼ 83.3% $0.02 – $0.1 3 182 ms 70
31 $0.09 ▲ 800.0% 15 ▼ 40.0% $0.001 – $1 57 512 ms 69
32 $0.14* ▲ 600.0% 14 $0.01 – $0.02 4 288 ms 69
33 $0.96 ▼ 84.7% 14 ▼ 100.0% $0.03 1 155 ms 69
34 $10.70* ▼ 99.8% 36 ▲ 0.0% $0.1 – $0.5 5 144 ms 68
35 $0.80* ▼ 66.4% 621 ▼ 54.9% $0.001125 – $0.0045 35 179 ms 67
36 $0.07* 11 $0.005 – $0.01 8 295 ms 67
37 $149.51* ▼ 54.4% 141 $0.001 – $0.9378 4 320 ms 66
38 $0.09* 9 $0.01 2 152 ms 66
39 $0.12 ▼ 63.6% 9 ▼ 100.0% $0.01 – $0.025 6 100 ms 66
40 $0.28* 8 ▼ 100.0% $0.02 – $0.05 2 157 ms 66
41 $7.00* 7 ▲ 0.0% $1 – $50 6 221 ms 65
42 $7.00* 7 ▲ 50.0% $1 2 154 ms 65
43 $0.41* 6 ▲ 0.0% $0.002 – $0.35 6 149 ms 64
44 $0.26* ▼ 86.2% 4 $0.02 – $0.5 6 31 ms 62
45 $0.30 4 ▲ 100.0% $0.05 – $0.1 4 37 ms 62
46 $5.60* ▲ 6.7% 3 ▼ 100.0% $5 2 154 ms 61
47 $0.03 ▼ 88.9% 3 ▼ 100.0% $0.01 7 610 ms 61
48 $0.03 ▼ 66.7% 3 $0.01 2 187 ms 61
49 $0.10* ▼ 33.3% 2 $0.05 2 482 ms 59
50 $3.00* 3 $1 2 58 ms 55
85 rows · page 1/2

FAQ

What is the cheapest x402 On-chain Data API?
Loyalspark — from $0.001 – $0.005 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?
Loyalspark, with the highest 402radar Trust score (93).
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.