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Cheapest x402 Utility & Tools APIs

40 x402 Utility & Tools APIs catalogued, ranked by price per call (cheapest first). Updated June 17, 2026.

Top pick58secrets-audit58% uptime · from $0.01/call
BestCheapestMost reliableAll Utility & Tools →
#API
15858%157 ms$0.011——
25656%301 ms$0.011——
36262%116 ms$0.0051——
45757%141 ms$0.0051——
55858%33 ms$0.0051——
600%1322 ms$0.0051——
75757%68 ms$0.005 – $0.013——
84545%1742 ms$0.0051——
900%21 ms$0.0051——
1000%33 ms$0.0051——
116865%84 ms$0.005 – $0.012$0.06*7Payments per day, last 7 days
1200%1747 ms$0.0051——
136060%366 ms$0.0051——
145353%339 ms$0.0051——
156060%80 ms$0.0051——
166060%50 ms$0.0051——
175555%220 ms$0.0051——
185757%479 ms$0.0051——
1900%1743 ms$0.0051——
208075%90 ms$0.002 – $0.00510$0.2973Payments per day, last 7 days
216060%117 ms$0.0021——
225656%523 ms$0.0011——
2300%34 ms$0.0011——
246060%218 ms$0.0011——
255353%82 ms$0.0011——
266060%1883 ms$0.0011——
275555%509 ms$0.0012——
285050%88 ms$0.001 – $0.015——
295656%27 ms$0.0011——
305252%336 ms$0.0011——
315858%46 ms$0.0011——
326060%138 ms$0.0011——
335252%68 ms$0.0011——
346363%28 ms$0.0011——
3500%32 ms$0.0011——
365858%292 ms$0.0011——
375858%154 ms$0.0011——
387875%40 ms$0.001 – $0.0113$0.7655Payments per day, last 7 days
395448%444 ms$0.00251——
403246%1287 ms$12——
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FAQ

What is the cheapest x402 Utility & Tools API?
Conflux x402 Demo — from $0.001 per call.
Which x402 Utility & Tools API is the most reliable?
Timezone Converter, at 75% measured uptime.
What is the best x402 Utility & Tools API right now?
secrets-audit, with the highest x402radar Trust score (58).
How are these x402 Utility & Tools APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.