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List

Cheapest x402 data APIs

44 x402 data APIs catalogued, ranked by price per call (cheapest first). Updated September 15, 2026.

Top pick64Fiasignals100% uptime · from $0.001 – $0.03/call
BestCheapestMost reliable
#API
1——$0.00005 – $0.00527——
2——$0.0001 – $10238786 ms—
3——$0.0005 – $49227212 ms—
4——$0.001166 ms—
5$0.206$0.001 – $0.036981 ms64
6——$0.0013432 ms—
7——$0.0013304 ms—
8$0.1768▼ 85.7%$0.001 – $0.0214149 ms77
9$0.18107▼ 66.7%$0.001 – $0.01528208 ms79
10——$0.001 – $0.012833 ms—
11——$0.001 – $0.124——
12——$0.0013490 ms—
13——$0.001 – $0.0537390 ms—
14$0.1418▲ 100.0%$0.001 – $0.1519495 ms70
15——$0.002224 ms—
16——$0.0031144 ms—
17——$0.003 – $101247 ms—
18$0.1518▼ 75.0%$0.004 – $0.117218 ms70
19——$0.005 – $0.01231 ms—
20——$0.005 – $0.012416 ms—
21——$0.0051343 ms—
22——$0.005196 ms—
23——$0.005 – $0.01264 ms—
24——$0.005 – $0.0111——
25$0.38*18▼ 100.0%$0.005 – $0.2518329 ms70
26——$0.005 – $0.012202 ms—
27——$0.005 – $0.012166 ms—
28$0.04*2$0.005 – $0.023198 ms—
29——$0.005 – $0.012566 ms—
30——$0.0052228 ms—
31——$0.005 – $0.0217288 ms—
32——$0.011320 ms—
33——$0.012198 ms—
34——$0.01190 ms—
35——$0.011196 ms—
36——$0.011268 ms—
37——$0.011214 ms—
38——$0.013205 ms—
39——$0.011366 ms—
40——$0.012 – $0.1112479 ms—
41——$0.021170 ms—
42——$0.05 – $0.39206 ms—
43——$0.01289 ms—
44———11427 ms—
44 rows · page 1/1

FAQ

What is the cheapest x402 data API?
Notify — from $0.00005 – $0.005 per call.
Which x402 data API is the most reliable?
X402-scoutgate, at 100% measured uptime.
What is the best x402 data API right now?
Fiasignals, with the highest 402radar Trust score (64).
How are these x402 data APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.