x402radar
List

Cheapest x402 Bitcoin APIs

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

Top pick52SorenLux63% uptime · from $0.05/call
BestCheapestMost reliableAll Bitcoin →
#API
15263%204 ms$0.054$0.27*7
27060%308 ms$0.021$11.51*103Payments per day, last 7 days
35359%509 ms$0.0151——
46560%26 ms$0.011$3.74*69
500%1642 ms$0.011——
65050%305 ms$0.011——
77793%15 ms$0.01 – $0.25186$1.99*49Payments per day, last 7 days
86990%125 ms$0.01 – $1271$0.15*3Payments per day, last 7 days
95873%65 ms$0.005 – $0.515$0.05*5Payments per day, last 7 days
105863%66 ms$0.003 – $0.359——
116373%273 ms$0.002 – $1221—1Payments per day, last 7 days
126864%414 ms$0.002 – $0.0056$5.09*25Payments per day, last 7 days
137056%172 ms$0.0011$0.01*7Payments per day, last 7 days
147164%39 ms$0.0014$0.08*77Payments per day, last 7 days
157880%38 ms$0.001 – $0.9525$1.0936Payments per day, last 7 days
167258%20 ms$0.0013$0.0836Payments per day, last 7 days

FAQ

What is the cheapest x402 Bitcoin API?
Bitcoind — from $0.001 per call.
Which x402 Bitcoin API is the most reliable?
Carbon Cashmere — Signal BTC (re-probe), at 93% measured uptime.
What is the best x402 Bitcoin API right now?
SorenLux, with the highest x402radar Trust score (52).
How are these x402 Bitcoin APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.