Services: Endpoints: Facilitators: Total Volume: 7d Vol: 24h Vol:

Best x402 Web Search APIs

72 x402 Web Search APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated September 15, 2026.

Top pick100Exa100% uptime · from $0.001 – $0.007/call
BestCheapestMost reliableAll Web Search
#API
1$44.16 33.2%6,572 41.9%$0.001 – $0.0074182 ms100
2$39.46 371.4%9,566 81.9%$0.001 – $0.068116 ms97
3$100.15 297.7%22,432 38.6%$0.001 – $0.5101152 ms96
4$382.8k 116.2%29,291,347+ 83.1%$0.001 – $5332160 ms93
5$5.00*1,205 0.0%$0.008 – $0.0256416 ms92
6$5.00*1,205 0.0%$0.0110417 ms91
7$1.09* 95.1%653 13.6%$0.001750 ms89
8$123.32 31.2%5,135 97.2%$0.001 – $0.4189171 ms87
9$21.67* 304.3%625 88.9%$0.001079 – $114625 ms87
10$5.00*1,205 0.0%$0.02 – $0.034413 ms86
11$6.03* 41.5%369 85.7%2418 ms86
12$1.53*179 85.5%$0.001 – $0.042194 ms82
13$272.03* 99.9%4,615 52.0%$0.01 – $1.08441105 ms82
14$1.71* 68.3%207 28.6%$0.002 – $1.13859 ms81
15$1.43 19.2%143 725.0%$0.001 – $0.01273181 ms81
16$1.9k 14.3%82,321+ 80.5%$0.002 – $0.2851154 ms80
17$2.12* 133.0%125 19.0%$0.03 – $0.122201 ms80
18$1.11* 326.9%122 85.7%$0.002 – $0.019529 ms80
19$19.07*194 99.5%$0.052114 ms79
20$7.07*75 100.0%$0.01 – $11333 ms78
21$5.69* 147.4%88 47.1%$0.001 – $0.601221156 ms78
22$230.59* 51.8%76$0.016146 ms78
23$19.07*194 99.5%$0.082112 ms77
24$1.61* 177.6%50 100.0%$0.02 – $0.056289 ms75
25$30.70* 171.7%108 100.0%$0.001 – $0.1426 ms75
26$1.57* 999.0%33 0.0%$0.01 – $0.052148 ms73
27$0.66*33 100.0%$0.021197 ms73
28$0.57 0.0%31 87.5%$0.001 – $0.0553308 ms73
29$1.46* 999.0%25 100.0%$0.03 – $0.110246 ms72
30$2.92* 90.4%26 100.0%$1.672156 ms72
31$0.26* 85.6%26 100.0%$0.011375 ms72
32$0.46*24 66.7%$0.005 – $0.03344 ms72
33$0.23* 53.3%23 100.0%$0.013119 ms71
34$8.40 38.2%21 100.0%$0.43198 ms70
35$0.03 90.9%16 88.9%$0.0022584 ms69
36$0.12* 20.0%15 100.0%$0.005 – $0.022289 ms69
37$0.07*14 0.0%$0.0051404 ms69
38$0.10* 52.4%10 66.7%$0.0120183 ms67
39$0.19* 375.0%7 0.0%$0.01 – $0.042287 ms65
40$0.23*7 100.0%$0.01 – $0.056110 ms65
41$0.07*4 100.0%$0.005 – $0.052263 ms62
42$0.12* 61.3%4 100.0%$0.01 – $0.051266 ms62
43$0.04*4$0.01170 ms62
44$0.03* 50.0%3$0.011332 ms61
45$0.11*3 100.0%$0.01 – $0.05292 ms61
46$3.05*3$0.05 – $2.511170 ms60
47$0.03*2$0.0152138 ms59
48$0.02*2$0.011172 ms59
492$0.001 – $0.0519171 ms59
50$0.05* 0.0%1$0.05 – $0.12132 ms55
72 rows · page 1/2

FAQ

What is the cheapest x402 Web Search API?
Exa — from $0.001 – $0.007 per call.
Which x402 Web Search API is the most reliable?
Exa, at 100% measured uptime.
What is the best x402 Web Search API right now?
Exa, with the highest 402radar Trust score (100).
How are these x402 Web Search APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.