Best x402 Web Search APIs

26 x402 Web Search APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). 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
28275%19 ms$0.001 – $0.01548$0.3165Payments per day, last 7 days
37984%134 ms$0.002 – $0.00526$0.03*9Payments per day, last 7 days
47874%176 ms$0.001 – $0.0531$2.2683Payments per day, last 7 days
57866%158 ms$0.001 – $0.0580$450.8727,553Payments per day, last 7 days
67781%372 ms$0.002 – $0.4118$74.253,919Payments per day, last 7 days
77574%153 ms$0.001 – $0.0516$0.17*19Payments per day, last 7 days
87564%139 ms$0.00225 – $0.216$9.09236Payments per day, last 7 days
97357%180 ms$0.001 – $0.0072$20.432,919Payments per day, last 7 days
107173%143 ms$0.002 – $0.2241$2.0k63,348+Payments per day, last 7 days
116858%556 ms$0.0021$0.0419Payments per day, last 7 days
126867%149 ms$0.005 – $0.022$0.06*5Payments per day, last 7 days
136666%311 ms$0.001 – $0.07559$0.58*36Payments per day, last 7 days
146564%60 ms$0.013$0.13*13Payments per day, last 7 days
156452%144 ms$0.017$0.7777Payments per day, last 7 days
166457%168 ms$0.019$0.1919Payments per day, last 7 days
176258%359 ms$0.011$0.76*76Payments per day, last 7 days
186055%155 ms$1.672$5.01*3Payments per day, last 7 days
196060%278 ms$0.0051
205858%155 ms$0.0011
215660%158 ms$0.43$44.80112Payments per day, last 7 days
225650%178 ms$0.0110$0.27*27Payments per day, last 7 days
235564%141 ms$0.57$9.3018Payments per day, last 7 days
245567%148 ms$0.05 – $16$7.10*13Payments per day, last 7 days
255555%291 ms$0.011
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.