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List

Cheapest x402 compute APIs

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

Top pick94BlockRun.ai100% uptime · from $0.001 – $5/call
BestCheapestMost reliable
#API
1——$0.0005 – $49227211 ms—
2——$0.001 – $0.011154 ms—
3$382.8k29,291,347+▼ 83.1%$0.001 – $5332160 ms94
4——$0.001 – $0.0537395 ms—
5——$0.0021136 ms—
6$5.7316▼ 100.0%$0.005 – $209380 ms69
7——$0.005 – $0.0217253 ms—
8$0.54*30▼ 50.0%$0.005 – $0.0524208 ms73
9——$0.0051204 ms—
10——$0.005 – $0.012416 ms—
11——$0.005179 ms—
12——$0.011279 ms—
13——$0.012198 ms—
14——$0.011672 ms—
15——$0.012206 ms—
16——$0.011487 ms—

FAQ

What is the cheapest x402 compute API?
X402-scoutgate — from $0.0005 – $49 per call.
Which x402 compute API is the most reliable?
X402-scoutgate, at 100% measured uptime.
What is the best x402 compute API right now?
BlockRun.ai, with the highest 402radar Trust score (94).
How are these x402 compute APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.