Cheapest x402 Finance & FX APIs

16 x402 Finance & FX APIs catalogued, ranked by price per call (cheapest first). Updated June 17, 2026.

Top pick54Tradenexusia57% uptime · from $0.5/call
BestCheapestMost reliableAll Finance & FX
#API
15457%50 ms$0.51$1.00*2Payments per day, last 7 days
25968%156 ms$0.25 – $511$146.25*118Payments per day, last 7 days
36069%27 ms$0.1 – $7.57$22.5535Payments per day, last 7 days
45757%160 ms$0.021
56377%156 ms$0.01 – $0.7520$0.39*6Payments per day, last 7 days
66059%69 ms$0.012
76464%62 ms$0.011
86269%47 ms$0.01 – $0.120$1.15*56Payments per day, last 7 days
96957%740 ms$0.017$11.01*20Payments per day, last 7 days
106560%186 ms$0.0051
115252%337 ms$0.005 – $0.012
126246%2689 ms$0.005 – $0.058$39.2191Payments per day, last 7 days
137062%142 ms$0.002 – $0.022$0.10*14Payments per day, last 7 days
145252%104 ms$0.0011
156025%32 ms$0.001 – $0.0124$2.35385Payments per day, last 7 days
169488%143 ms$0.001 – $0.0075120$3.2k150,000+Payments per day, last 7 days

FAQ

What is the cheapest x402 Finance & FX API?
x402 IBAN Validator — from $0.001 per call.
Which x402 Finance & FX API is the most reliable?
Blockrun-web-vbsbhh7lea-uc, at 88% measured uptime.
What is the best x402 Finance & FX API right now?
Tradenexusia, with the highest x402radar Trust score (54).
How are these x402 Finance & FX APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.