Services: —Endpoints: —Facilitators: —Total Volume: —7d Vol: —24h Vol: —
402radar
List

Best x402 verification APIs

24 x402 verification APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated June 22, 2026.

Top pick89Token Price Snapshot100% uptime · from $0.001 – $0.95/call
BestCheapestMost reliable
# API
1 $13.17 623 ▲ 999.0% $0.001 – $0.95 45 384 ms 89
2 $0.28* 133 ▼ 50.0% $0.0001 – $0.066667 120 694 ms 80
3 $0.19 109 ▲ 100.0% $0.001 – $0.015 28 358 ms 79
4 $1.96 65 ▼ 40.0% $0.001 – $0.005 5 745 ms 77
5 $0.97* 66 ▲ 20.0% $0.005 – $0.02 17 319 ms 77
6 $1.15 39 ▲ 60.0% $0.005 – $0.15 34 21 ms 74
7 $0.16 32 ▼ 33.3% $0.00005 – $0.005 26 90 ms 73
8 $678.14* 33,895+ ▲ 0.3% $0.001 – $0.1 23 178 ms 55
9 — — $0.001 – $0.05 373 34 ms —
10 — — $0.001 1 133 ms —
11 — — $0.1 – $1.5 5 81 ms —
12 — — $0.001 10 373 ms —
13 — — $0.005 – $0.01 2 348 ms —
14 — — $0.05 – $0.3 9 342 ms —
15 — — $0.01 1 90 ms —
16 — — $0.01 1 91 ms —
17 — — $0.01 1 89 ms —
18 — — $0.005 – $0.01 2 105 ms —
19 — — $0.001 1 104 ms —
20 — — $0.001 – $0.01 5 90 ms —
21 — — $0.0005 – $49 227 192 ms —
22 — — $0.01 1 90 ms —
23 — — $0.01 1 91 ms —
24 — — $0.005 1 364 ms —

FAQ

What is the cheapest x402 verification API?
Notify — from $0.00005 – $0.005 per call.
Which x402 verification API is the most reliable?
Token Price Snapshot, at 100% measured uptime.
What is the best x402 verification API right now?
Token Price Snapshot, with the highest 402radar Trust score (89).
How are these x402 verification APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.