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Best x402 On-chain Data APIs

53 x402 On-chain Data APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated June 17, 2026.

Top pick83OneSource Chain Skills81% uptime · from $0.001 – $0.01/call
BestCheapestMost reliableAll On-chain Data →
#API
18381%206 ms$0.001 – $0.0129$36.878,827Payments per day, last 7 days
28291%59 ms$0.001 – $0.266—2Payments per day, last 7 days
38178%198 ms$0.001 – $1.7735$0.0110Payments per day, last 7 days
47867%17 ms$0.00115$7.191,197Payments per day, last 7 days
57878%163 ms$0.01 – $0.0572$2.2k5,831Payments per day, last 7 days
67770%20 ms$0.00111$0.1226Payments per day, last 7 days
77777%696 ms$0.001 – $0.0531$4.89742Payments per day, last 7 days
87678%177 ms$0.001125 – $0.004518$0.01*6Payments per day, last 7 days
97477%134 ms$0.106242 – $125$16.46*44
107373%160 ms$0.001 – $11.516$442.28*1Payments per day, last 7 days
117167%297 ms$0.016$0.19*19Payments per day, last 7 days
127071%66 ms$0.002 – $0.0514$5.4827Payments per day, last 7 days
136962%654 ms$0.002 – $0.16$0.06*27Payments per day, last 7 days
146972%62 ms$0.001 – $0.317$1.31*15Payments per day, last 7 days
156967%490 ms$0.0121$0.019Payments per day, last 7 days
166865%282 ms$0.005 – $0.014$0.07*11Payments per day, last 7 days
176871%706 ms$0.001 – $0.00511$0.01*1
186769%105 ms$0.01 – $0.0256$0.2018Payments per day, last 7 days
196760%338 ms$0.0011$0.01*13Payments per day, last 7 days
206662%159 ms$0.011$0.127Payments per day, last 7 days
216558%155 ms$0.014$1.19*15Payments per day, last 7 days
226550%45 ms$0.0011$0.0440Payments per day, last 7 days
236564%304 ms$0.01 – $0.023$0.14*14Payments per day, last 7 days
246466%399 ms$0.0021 – $0.010533$0.0715Payments per day, last 7 days
256465%109 ms$0.011$0.09*9
266464%260 ms$0.081——
276464%332 ms$0.031——
286328%145 ms$0.001 – $0.00518$108.9915,946Payments per day, last 7 days
296360%256 ms$11$4.00*4Payments per day, last 7 days
306363%22 ms$0.014——
316266%37 ms$0.002 – $0.0111$0.02*2Payments per day, last 7 days
326255%515 ms$0.0012$0.18*1Payments per day, last 7 days
335960%220 ms$0.031$570.7758Payments per day, last 7 days
345956%90 ms$0.02 – $0.54$1.45*15
355956%206 ms$0.02 – $0.24$50.7576Payments per day, last 7 days
365971%208 ms$0.01 – $0.0312——
375967%170 ms$0.018——
385861%612 ms$0.017$79.738
395767%144 ms$0.002 – $0.356$0.50*6Payments per day, last 7 days
405656%144 ms$0.011——
415352%54 ms$11$3.00*3
425255%88 ms$0.081$4.51*29Payments per day, last 7 days
435252%350 ms$0.011——
445144%542 ms$0.002 – $0.123$0.8539Payments per day, last 7 days
454855%145 ms$0.52$8.30*27
464856%318 ms$0.93111$38.14*36
474343%92 ms$0.011——
483322%240 ms$0.01 – $0.7531$25.2262
49260%1752 ms$0.001 – $0.0115$0.19*45
5000%1407 ms$0.011——
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FAQ

What is the cheapest x402 On-chain Data API?
OneSource Chain Skills — from $0.001 – $0.01 per call.
Which x402 On-chain Data API is the most reliable?
Proxy, at 91% measured uptime.
What is the best x402 On-chain Data API right now?
OneSource Chain Skills, with the highest x402radar Trust score (83).
How are these x402 On-chain Data APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.