Services: —Endpoints: —Facilitators: —Total Volume: —7d Vol: —24h Vol: —
402radar402radar
List

Cheapest x402 routing APIs

21 x402 routing APIs catalogued, ranked by price per call (cheapest first). Updated August 5, 2026.

Top pick94GPT-5.5 Compact Chat x40289% uptime · from $0.0001 – $10/call
BestCheapestMost reliable
# API
1 $109.49* 9,426 ▼ 63.3% $0.0001 – $10 226 — 94
2 — — $0.0005 – $49 227 — —
3 — — $0.001 – $0.05 373 — —
4 $1.00 137 ▼ 100.0% $0.001 – $0.02 10 — 81
5 — — $0.001 – $0.1 24 — —
6 $0.09 11 ▼ 100.0% $0.001 – $0.01 5 — 67
7 — — $0.001 1 — —
8 — — $0.001 1 — —
9 — — $0.001 1 — —
10 — — $0.003 – $10 12 — —
11 — — $0.005 1 — —
12 — — $0.005 – $0.01 11 — —
13 $89.59 5,200 ▼ 9.5% $0.005 – $1 91 — 91
14 — — $0.005 1 — —
15 — — $0.005 – $0.01 2 — —
16 — — $0.005 1 — —
17 — — $0.005 – $0.01 3 — —
18 — — $0.01 2 — —
19 — — $0.01 1 — —
20 — — $0.01 1 — —
21 $0.40* 4 — 1 — 62

FAQ

What is the cheapest x402 routing API?
GPT-5.5 Compact Chat x402 — from $0.0001 – $10 per call.
Which x402 routing API is the most reliable?
X402-scoutgate, at 100% measured uptime.
What is the best x402 routing API right now?
GPT-5.5 Compact Chat x402, with the highest 402radar Trust score (94).
How are these x402 routing APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.