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402radar
List

Most reliable x402 compute APIs

16 x402 compute APIs catalogued, ranked by measured uptime. Updated June 23, 2026.

Top pick93BlockRun.ai100% uptime · from $0.001 – $5/call
BestCheapestMost reliable
# API
1 $1.0k 16,648 ▲ 152.6% $0.001 – $5 247 201 ms 93
2 $0.97* 66 ▼ 22.2% $0.005 – $0.02 17 320 ms 77
3 $0.98 14 ▼ 100.0% $0.005 – $20 8 375 ms 68
4 — — $0.01 1 60 ms —
5 — — $0.01 2 65 ms —
6 — — $0.01 1 461 ms —
7 — — $0.01 2 188 ms —
8 — — $0.005 1 385 ms —
9 — — $0.002 1 118 ms —
10 — — $0.0005 – $49 227 191 ms —
11 — — $0.01 1 1563 ms —
12 — — $0.005 1 57 ms —
13 — — $0.01 1 365 ms —
14 — — $0.005 – $0.01 2 497 ms —
15 — — $0.001 – $0.05 373 34 ms —
16 — — $0.001 – $0.01 11 40 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?
BlockRun.ai, at 100% measured uptime.
What is the best x402 compute API right now?
BlockRun.ai, with the highest 402radar Trust score (93).
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.