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List

Cheapest x402 routing APIs

21 x402 routing APIs catalogued, ranked by price per call (cheapest first). Updated November 9, 2026.

Top pick80gpt55.558686.xyz100% uptime · from $0.0001 – $10/call
BestCheapestMost reliable
#API
1$15.25*132▼ 100.0%$0.0001 – $1024138 ms80
2——$0.0005 – $49227208 ms—
3——$0.0011——
4——$0.001 – $0.124——
5——$0.001 – $0.005562 ms—
6——$0.001 – $0.0537334 ms—
7——$0.0011——
8——$0.0011——
9——$0.003 – $101237 ms—
10$19.81660▼ 100.0%$0.004 – $0.127201 ms89
11——$0.005 – $0.013——
12——$0.005 – $0.0111398 ms—
13$4.83643▼ 43.6%$0.005 – $192735 ms52
14——$0.0051——
15——$0.005 – $0.012——
16——$0.0051——
17——$0.0051——
18——$0.011——
19——$0.011——
20——$0.012——
21———1478 ms—

FAQ

What is the cheapest x402 routing API?
gpt55.558686.xyz — from $0.0001 – $10 per call.
Which x402 routing API is the most reliable?
gpt55.558686.xyz, at 100% measured uptime.
What is the best x402 routing API right now?
gpt55.558686.xyz, with the highest 402radar Trust score (80).
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.