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

Cheapest x402 Data Enrichment APIs

78 x402 Data Enrichment APIs catalogued, ranked by price per call (cheapest first). Updated September 15, 2026.

Top pick59api.whitepapergrey.com100% uptime · from $0.25/call
BestCheapestMost reliableAll Data Enrichment
#API
1$4.022472 ms
2$11365 ms
3$11219 ms
4$1.96*4 100.0%$0.492229 ms
5$0.50* 0.0%2$0.252437 ms59
6$0.1651548 ms
7$0.15*1$0.15214 ms55
8$0.10*1$0.12214 ms55
9$0.20*2$0.11216 ms59
10$0.051132 ms
11$5.05*4$0.05 – $24184 ms62
12$0.21* 32.3%6$0.05453 ms64
13$0.40* 50.0%8$0.052271 ms66
14$0.05 – $15126 ms
15$0.85* 750.0%17$0.051200 ms70
16$0.03*1 100.0%$0.03 – $36104 ms55
17$1.99*23 100.0%$0.03159 ms71
18$0.032374 ms
19$0.60 92.1%26 200.0%$0.025 – $18879 ms71
20$0.021547 ms
21$89.00* 300.5%77 100.0%$0.023350 ms78
22$0.08*4$0.021584 ms62
23$19.07*194 99.5%$0.022113 ms82
24$0.02 – $0.14208 ms
25$0.011510 ms
26$0.011198 ms
27$6.09*61 71.4%$0.01 – $0.525635 ms76
28$0.39*32 14.3%$0.01 – $0.05493 ms73
29$0.012400 ms
30$4.27* 44.7%179 86.4%$0.01 – $0.0514322 ms82
31$21.53*37 0.0%$0.01 – $550114 ms74
32$4.63* 3.6%247 66.7%$0.01 – $286274 ms84
33$0.01 – $0.028110 ms
34$0.39*32 14.3%$0.01 – $0.054118 ms73
35$0.01130 ms
36$105.08* 22.7%687 53.2%$0.01 – $0.32867 ms85
37$0.011628 ms
38$0.05* 44.4%5 100.0%$0.01293 ms63
39$35.42* 683.6%147 92.6%$0.01 – $319834 ms81
40$3.65* 999.0%70$0.01 – $0.11823 ms31
41$0.01 – $1.51251 ms
42$0.01 – $0.2141570 ms
43$0.012316 ms
44$0.17* 88.7%17 50.0%$0.011289 ms70
45$0.01134 ms
46$0.07*7 100.0%$0.012448 ms65
47$0.60* 69.4%60 33.3%$0.011522 ms76
48$0.0052739 ms
49$0.17* 70.5%21 100.0%$0.005 – $0.0522149 ms71
50$3.32*11 100.0%$0.005 – $0.25340 ms67
78 rows · page 1/2

FAQ

What is the cheapest x402 Data Enrichment API?
Notify — from $0.00005 – $0.005 per call.
Which x402 Data Enrichment API is the most reliable?
api.capitalspec.com, at 100% measured uptime.
What is the best x402 Data Enrichment API right now?
api.whitepapergrey.com, with the highest 402radar Trust score (59).
How are these x402 Data Enrichment APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.