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Most reliable x402 Web Search APIs

26 x402 Web Search APIs catalogued, ranked by measured uptime. Updated June 17, 2026.

Top pick89BlockRun.AI93% uptime · from $0.001 – $5/call
BestCheapestMost reliableAll Web Search →
#API
18993%174 ms$0.001 – $5174$24.447,554Payments per day, last 7 days
27984%134 ms$0.002 – $0.00526$0.03*9Payments per day, last 7 days
37781%372 ms$0.002 – $0.4118$74.253,919Payments per day, last 7 days
48275%19 ms$0.001 – $0.01548$0.3165Payments per day, last 7 days
57574%153 ms$0.001 – $0.0516$0.17*19Payments per day, last 7 days
67874%176 ms$0.001 – $0.0531$2.2683Payments per day, last 7 days
77173%143 ms$0.002 – $0.2241$2.0k63,348+Payments per day, last 7 days
86867%149 ms$0.005 – $0.022$0.06*5Payments per day, last 7 days
95567%148 ms$0.05 – $16$7.10*13Payments per day, last 7 days
107866%158 ms$0.001 – $0.0580$450.8727,553Payments per day, last 7 days
116666%311 ms$0.001 – $0.07559$0.58*36Payments per day, last 7 days
127564%139 ms$0.00225 – $0.216$9.09236Payments per day, last 7 days
135564%141 ms$0.57$9.3018Payments per day, last 7 days
146564%60 ms$0.013$0.13*13Payments per day, last 7 days
156060%278 ms$0.0051——
165660%158 ms$0.43$44.80112Payments per day, last 7 days
175858%155 ms$0.0011——
186258%359 ms$0.011$0.76*76Payments per day, last 7 days
196858%556 ms$0.0021$0.0419Payments per day, last 7 days
206457%168 ms$0.019$0.1919Payments per day, last 7 days
217357%180 ms$0.001 – $0.0072$20.432,919Payments per day, last 7 days
225555%291 ms$0.011——
236055%155 ms$1.672$5.01*3Payments per day, last 7 days
246452%144 ms$0.017$0.7777Payments per day, last 7 days
255650%178 ms$0.0110$0.27*27Payments per day, last 7 days
265150%70 ms$0.051$0.35*7Payments per day, last 7 days
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FAQ

What is the cheapest x402 Web Search API?
BlockRun.AI — from $0.001 – $5 per call.
Which x402 Web Search API is the most reliable?
BlockRun.AI, at 93% measured uptime.
What is the best x402 Web Search API right now?
BlockRun.AI, with the highest x402radar Trust score (89).
How are these x402 Web Search APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.