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Cheapest x402 Finance & FX APIs

24 x402 Finance & FX APIs catalogued, ranked by price per call (cheapest first). Updated August 5, 2026.

Top pick69Financial Analyst API100% uptime · from $0.25 – $5/call
BestCheapestMost reliableAll Finance & FX →
# API
1 $9.00* ▼ 100.0% 19 ▲ 100.0% $0.25 – $5 23 — 69
2 $23.00* ▼ 100.0% 32 ▼ 100.0% $0.1 – $7.5 12 — 71
3 — — $0.02 1 — —
4 — — $0.01 4 — —
5 — — $0.01 2 — —
6 $48.33* ▼ 97.9% 204 ▼ 45.0% $0.01 – $0.75 24 — 79
7 — — $0.01 1 — —
8 $0.51* ▼ 100.0% 25 $0.01 – $0.1 20 — 67
9 — — $0.005 – $0.01 2 — —
10 $1.00* ▼ 100.0% 2 $0.005 – $0.5 2 — 15
11 $6.81* ▼ 89.8% 456 ▼ 60.9% $0.005 – $0.15 33 — 82
12 — — $0.005 1 — —
13 $0.07* ▼ 100.0% 15 ▼ 100.0% $0.002 – $0.05 6 — 69
14 $1.2k* ▼ 91.3% 593,884+ ▲ 72.8% $0.002 – $0.01575 254 5655 ms 54
15 $4.04* ▼ 50.4% 138 ▲ 999.0% $0.002 – $0.05 8 — 81
16 — — $0.001 1 — —
17 $28.45* ▼ 96.9% 5,009 ▼ 89.5% $0.001 1 — 93
18 $0.11* ▼ 100.0% 39 ▲ 100.0% $0.001 – $0.01 7 — 74
19 $1.00 ▼ 100.0% 137 ▼ 100.0% $0.001 – $0.02 10 — 81
20 $3.80 ▼ 97.0% 1,013 ▼ 58.9% $0.001 – $0.01 24 — 91
21 $2.23* ▼ 99.6% 2,106 ▲ 100.0% $0.001 12 — 95
22 $2.11* ▼ 100.0% 6 ▼ 100.0% $0.001 – $0.99 5 — 64
23 $0.27* ▼ 100.0% 36 ▼ 94.1% $0.001 – $0.02 16 — 74
24 — — — 1 — —

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?
Financial Analyst API, at 100% measured uptime.
What is the best x402 Finance & FX API right now?
Financial Analyst API, with the highest 402radar Trust score (69).
How are these x402 Finance & FX APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.