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Best x402 On-chain Data APIs

100 x402 On-chain Data APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated August 5, 2026.

Top pick100Loyalspark100% uptime · from $0.001 – $0.005/call
BestCheapestMost reliableAll On-chain Data →
# API
1 $139.61 ▼ 93.8% 19,327 ▼ 1.7% $0.001 – $0.005 22 — 100
2 $41.14 ▼ 93.0% 9,619 ▲ 7.5% $0.001 – $0.01 34 — 96
3 $8.76 ▼ 96.5% 1,344 ▲ 10.4% $0.001 – $0.05 31 — 93
4 $3.61* ▼ 90.3% 1,235 ▼ 55.0% $0.003 – $0.005 2 — 92
5 $3.61* ▼ 90.3% 1,235 ▼ 55.0% $0.003 1 — 92
6 $3.61* ▼ 90.3% 1,235 ▼ 55.0% $0.005 1 — 92
7 $44.56 ▼ 99.7% 1,228 ▼ 55.1% $0.001 – $1.77 44 — 92
8 $3.61* ▼ 90.3% 1,235 ▼ 55.0% $0.005 1 — 92
9 $8.93 ▼ 94.4% 1,763 ▼ 0.6% $0.0021 – $0.02 70 — 90
10 $1.11* ▼ 95.5% 849 ▼ 45.5% $0.001125 – $0.0045 35 — 90
11 $1.0k* ▼ 88.1% 764 ▼ 75.9% $0.001 – $3.591 4 — 90
12 $128.23 ▼ 97.2% 4,448 ▲ 104.1% $0.0022 – $4.99 863 — 87
13 $46.70* ▼ 98.3% 1,140 ▼ 50.0% $0.002 – $0.45 40 — 86
14 $0.48 ▼ 88.4% 390 ▲ 130.8% $0.001 11 — 86
15 $147.13 ▼ 93.6% 1,090 ▼ 13.9% $0.01 – $2 77 — 84
16 $82.32 ▼ 86.0% 3,614 ▲ 39.7% $0.01 – $7.5 123 — 84
17 $887.45 ▼ 96.1% 6,478 ▼ 23.3% $0.05 – $0.2 7 — 83
18 $124.52* ▼ 97.9% 713 ▼ 62.1% $0.02 – $2 41 — 82
19 $0.18* ▼ 94.4% 177 ▲ 20.0% $0.001 1 — 82
20 $27.04* ▼ 76.3% 164 ▲ 100.0% $0.01 – $0.1 7 — 82
21 $27.04* ▼ 76.3% 164 ▲ 100.0% $0.01 – $0.15 6 — 82
22 $1.01 ▼ 100.0% 134 ▼ 87.5% $0.001 – $0.05 17 — 81
23 $6.11 ▼ 51.3% 127 ▼ 96.4% $0.001 15 — 80
24 $3.63* ▼ 90.5% 120 ▼ 85.1% $0.001 – $0.5 33 — 79
25 $2.10* ▲ 850.0% 221 ▲ 366.7% $0.02 – $0.05 2 — 79
26 $3.3k ▼ 93.5% 82 ▼ 20.0% $0.001 – $103.8 17 — 78
27 $0.20* ▼ 94.7% 197 ▼ 16.7% $0.001 – $0.75 488 — 78
28 $2.17* ▼ 97.2% 69 ▲ 100.0% $0.002 – $1 21 — 77
29 $22.53* ▼ 99.6% 136 ▲ 100.0% $0.005 – $1.49 18 — 77
30 $0.94* ▼ 80.8% 62 ▲ 70.0% $0.001 1 — 77
31 $1.71* ▼ 82.9% 72 ▲ 100.0% $0.01 – $0.05 6 — 77
32 $0.94* ▼ 80.8% 62 ▲ 70.0% $0.005 1 — 77
33 $0.16* 54 ▲ 100.0% $0.001 – $0.03 28 — 76
34 $0.27* ▼ 100.0% 50 $0.002 – $0.015 20 — 75
35 $3.18* ▼ 98.1% 81 ▼ 70.4% $0.005 – $0.2 4 — 74
36 $1.48* ▼ 100.0% 36 ▼ 100.0% $0.01 – $0.1 8 — 74
37 $8.11* ▼ 98.9% 36 ▼ 92.3% $0.1 – $1 4 — 74
38 $0.31* ▼ 100.0% 32 ▼ 85.7% $0.005 – $0.02 16 — 73
39 $0.16* ▼ 100.0% 28 ▼ 100.0% $0.005 – $0.01 10 — 72
40 $0.10 ▼ 100.0% 25 ▲ 0.0% $0.001 – $1 57 — 72
41 $2.95* ▼ 100.0% 28 ▼ 91.7% $0.01 – $0.6 20 — 71
42 $0.20* ▼ 100.0% 20 $0.01 10 — 71
43 $0.18* ▼ 100.0% 19 ▼ 100.0% $0.01 3 — 70
44 $2.40* ▼ 100.0% 18 $0.001 – $0.3 20 — 70
45 $1.21* ▼ 100.0% 17 $0.01 6 — 70
46 $0.35 ▼ 100.0% 17 $0.002 – $0.1 32 — 70
47 $0.02* ▼ 100.0% 15 ▼ 62.5% $0.001 4 — 69
48 $0.14* ▼ 100.0% 14 $0.01 – $0.02 4 — 69
49 $0.42* ▼ 100.0% 13 ▼ 100.0% $0.002 – $0.35 6 — 68
50 $0.14* 12 ▲ 100.0% $0.001 – $0.05 35 — 68
100 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?
Loyalspark, at 100% measured uptime.
What is the best x402 On-chain Data API right now?
Loyalspark, with the highest 402radar Trust score (100).
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.