Cheapest x402 summarization APIs

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

Top pick7X402-scoutgate7% uptime · from $0.0005 – $49/call
BestCheapestMost reliable
#API
177%22 ms$0.0005 – $49227
26647%348 ms$0.001 – $0.01519$0.33186
300%22 ms$0.001 – $0.05373
499%100 ms$0.003 – $1012
500%24 ms$0.005 – $0.0111
65757%160 ms$0.021
75652%24 ms$0.031$625.87*11

FAQ

What is the cheapest x402 summarization API?
X402-scoutgate — from $0.0005 – $49 per call.
Which x402 summarization API is the most reliable?
x402 Financial Data API, at 57% measured uptime.
What is the best x402 summarization API right now?
X402-scoutgate, with the highest x402radar Trust score (7).
How are these x402 summarization APIs ranked?
By x402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.