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

Cheapest x402 generation APIs

12 x402 generation APIs catalogued, ranked by price per call (cheapest first). Updated June 22, 2026.

Top pick73Notify100% uptime · from $0.00005 – $0.005/call
BestCheapestMost reliable
# API
1 $0.16 32 ▼ 33.3% $0.00005 – $0.005 26 90 ms 73
2 $0.28* 133 ▼ 50.0% $0.0001 – $0.066667 120 697 ms 80
3 — — $0.0005 – $49 227 194 ms —
4 $95.44 601 ▼ 71.9% $0.0008 – $0.15 7 523 ms 88
5 — — $0.001 – $0.05 373 33 ms —
6 — — $0.001 – $0.01 2 38 ms —
7 $0.81 51 ▼ 57.1% $0.001 – $0.15 19 523 ms 75
8 — — $0.002 2 21 ms —
9 — — $0.005 – $0.01 11 1742 ms —
10 — — $0.01 1 45 ms —
11 — — $0.01 1 1738 ms —
12 $0.06* 3 $0.02 1 955 ms 61

FAQ

What is the cheapest x402 generation API?
Notify — from $0.00005 – $0.005 per call.
Which x402 generation API is the most reliable?
Notify, at 100% measured uptime.
What is the best x402 generation API right now?
Notify, with the highest 402radar Trust score (73).
How are these x402 generation APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.